| Section
| Date
| Issue
| Size
| Title
|
| 502-000-000 | 1985-09-01 | 1 | 607.43 KB | Numerical Index - Division 502 - Common Battery - Station Sets |
| 502-000-000 | 1988-12-01 | 2 | 519.51 KB | Numerical Index - Division 502 - Common Battery - Station Sets |
| 502-000-000 | 1970-07-01 | 82 | 496.15 KB | Numerical Index - Division 502 - Common Battery - Station Sets |
| 502-000-001 | 1970-03-01 | 1 | 96.71 KB | Single Line - 0 Button Telephone Sets - Selection |
| 502-000-001 | 1977-12-01 | 3 | 88.89 KB | Single Line - 0 Button General Purpose Telephone Sets - Selection |
| 502-000-002 | 1970-03-01 | 1 | 86.12 KB | Two Line and One Button Telephone Sets - Selection |
| 502-000-003 | 1970-03-01 | 1 | 163.50 KB | Multiline - 4 and 6 Button Telephone Sets - Selection |
| 502-000-004 | 1970-03-01 | 1 | 171.89 KB | Special Purpose Telephone Sets - Selection |
| 502-000-004 | 1979-07-01 | 2 | 91.79 KB | Special Purpose Single Line Telephone Sets - Selection |
| 502-000-010 | 1977-12-01 | 2 | 146.27 KB | CALL DIRECTOR Telephone Sets - Selection |
| 502-000-111 | 1975-07-01 | 2 | 150.49 KB | 660, 1660, and 2660 Series Card Dialer - Telephone Sets - Selection |
| 502-110-100 | 1970-02-01 | 1 | 768.55 KB | Key Telephone Sets - Standard Features and Options - Basic Wiring Requirements |
| 502-110-100 | 1971-12-01 | 2 | 2.82 MB | Key Telephone Sets - Standard Features and Options - Basic Wiring Requirements |
| 502-110-100 | 1979-07-01 | 3I | 3.60 MB | Key Telephone Sets - Standard Features and Options - Basic Wiring Requirements |
| 502-110-100 A | 1974-08-01 | 1 | 438.89 KB | Key Telephone Sets - Standard Features and Options - Basic Wiring Requirements |
| 502-110-102 | 1975-11-01 | 3 | 2.50 MB | Nonkey Telephone Sets - Conversion for Use with 1A1 or 1A2 Key Telephone Systems |
| 502-110-102 | 1978-05-01 | 4 | 3.55 MB | Nonkey Telephone Sets - Conversion for Use with 1A1 or 1A2 Key Telephone Systems |
| 502-110-102 A | 1979-11-01 | 1 | 306.95 KB | Nonkey Telephone Sets - Conversion for Use with 1A1 or 1A2 Key Telephone Systems |
| 502-120-200 | 1964-05-01 | 3 | 193.19 KB | Telephone Sets and Associated Station Apparatus - Selection of Indoor Locations |
| 502-120-200 | 1969-06-01 | 4 | 899.62 KB | Telephone Sets and Associated Station Apparatus - Selection of Indoor Locations |
| 502-120-200 | 1980-09-01 | 5 | 1.86 MB | Telephone Sets and Associated Station Apparatus - Selection of Indoor Locations |
| 502-120-201 | 1969-07-01 | 3 | 715.94 KB | Station Sets - Indoor Location - Installation |
| 502-120-202 | 1962-08-01 | 1 | 1.48 MB | Station Sets - Selecting Outdoor Locations - Patios and Swimming Pools |
| 502-120-202 | 1971-01-01 | 3 | 83.35 KB | Selecting Outdoor Locations |
| 502-120-203 | 1973-10-01 | 3 | 126.10 KB | Use of Station Sets in Refrigerated Rooms |
| 502-150-901PT | 1967-01-01 | B | 8.74 MB | Dial-In Handset - F-56593 Telephone Handset and F-56594 Telephone Base - Identification, Installation, Connection, and Maintenance |
| 502-200-100 | 1964-03-01 | 3 | 1.36 MB | Subscriber Sets - Identification and Assembly of Parts |
| 502-200-100 A | 1972-01-01 | 1 | 220.38 KB | Subscriber Sets - 531, 584, 592, 634, 684, 685, 686, and 687 Types - Identification |
| 502-200-101 | 1964-10-01 | 3 | 3.09 MB | Subscriber Sets - 689 and 691 Types - Identification and Assembly of Parts |
| 502-200-102 | 1968-06-01 | 1 | 5.47 MB | Subscriber Sets - 688, 690, 1690, and 2690 Types - Identification |
| 502-200-102 | 1982-07-01 | 4 | 507.98 KB | Subscriber Sets - 688, 690, 1690, and 2690 Types - Identification |
| 502-200-200 | 1957-09-01 | 1 | 534.84 KB | Subscriber Sets - 392, 592 - Installation |
| 502-200-200 | 1964-08-01 | 2 | 293.05 KB | Subscriber Sets - Loud Ringing Bells - Installation |
| 502-200-300 | 1964-04-01 | 3 | 2.75 MB | Subscriber Sets - Maintenance |
| 502-200-400 | 1962-01-01 | 3 | 56.17 KB | Subscriber Sets - 634A, BA, C, 684A, BA, C - Common Battery - Induction Coil Type - Used With Hand Telephone Sets - Connections |
| 502-200-401 | 1964-01-01 | 5 | 265.35 KB | Subscriber Sets - 634AT - Common Battery - Induction Coil Type - Connections |
| 502-200-402 | 1962-02-01 | 3 | 61.49 KB | Subscriber Sets - 634BC and 684BC - Common Battery - Induction Coil Type - Used With Hand Telephone Sets - Connections |
| 502-200-403 | 1963-01-01 | 4 | 115.69 KB | Subscriber Sets - 634CE - Common Battery - Induction Coil Type - Connections |
| 502-200-404 | 1964-02-01 | 6 | 831.00 KB | Subscriber Sets - 685A - Used With Hand Telephone Sets - Connections |
| 502-200-404 | 1968-06-01 | 9 | 151.73 KB | Subscriber Sets - 685A - Used With Hand Telephone Sets - Connections |
| 502-200-405 | 1963-10-01 | 1 | 665.56 KB | Subscriber Sets - 685C |
| 502-200-406 | 1968-06-01 | 5 | 100.09 KB | Subscriber Sets - 686A - Used With Handsets - Connections |
| 502-200-407 | 1963-10-01 | 1 | 536.89 KB | Subscriber Sets - 687D |
| 502-200-408 | 1964-02-01 | 2 | 1.15 MB | Subscriber Sets - 688 and 690 Types - Connections |
| 502-200-408 | 1968-06-01 | 5 | 494.60 KB | Subscriber Sets - 688, 690, 1690, and 2690 Types - Connections |
| 502-200-410 | 1967-07-01 | 1 | 489.07 KB | Subscriber Sets - 689A1, 689C1, 689D1, 689E1, 689A2, 689C2, 689D2, and 689E2 - Connections |
| 502-201-100 | 1964-03-01 | 2 | 2.38 MB | Subscriber Sets - 694 Type |
| 502-201-100 | 1968-12-01 | 4 | 1.30 MB | Subscriber Set - 694-Type - Identification, Installation, Connection, and Maintenance |
| 502-201-102 | 1964-09-01 | 1 | 414.23 KB | Subscriber Sets - 695 Type |
| 502-201-105 | 1977-10-01 | 4 | 459.52 KB | Subscriber Set - 698A (CODE-COM Set) |
| 502-203-100 | 1970-01-01 | 2 | 1005.19 KB | Subscriber Sets - 700-Type - Identification, Installation, Connections, and Maintenance |
| 502-204-100 | 1979-05-01 | 2 | 1.49 MB | SLC-1 Subscriber Equipment - Identification, Installation, Removal, Material and Maintenance - Outside Plant |
| 502-204-800SW | 1993-07-01 | A | 903.33 KB | Wescom Dualine Plus Digital Single Subscriber Carrier System - DDL 102 Remote Terminal |
| 502-204-801SW | 1993-07-01 | A | 968.91 KB | Wescom Dualine Plus Digital Single Subscriber Carrier System - DDL 104 Remote Terminal |
| 502-204-802SW | 1993-07-01 | A | 690.38 KB | Wescom Dualine Plus Digital Single Subscriber Carrier System - DDL 112 Remote Terminal |
| 502-204-803SW | 1993-07-01 | A | 502.78 KB | Wescom Dualine Plus Digital Single Subscriber Carrier System - DDL 190 Remote Terminal Simulator |
| 502-210-400 | 1960-04-01 | 2 | 68.64 KB | Subscriber Sets - Ringer and Relay Types - Nonpolarized Ringing - 392L; 531A; 534DE, DF; 584DE, DF; 592A; 687A; 684BT - Common and Local Battery - Connections |
| 502-210-400 | 1969-03-01 | 3 | 318.59 KB | Subscriber Sets - 293, 531, 534, 584, 592, 684, and 687 Types - Connections |
| 502-210-400CA | 1964-11-01 | C | 46.01 KB | Subscriber Sets - Extension Ringer - Connections |
| 502-300-100 | 1959-05-01 | 2 | 1.41 MB | Hand Telephone Sets - 200 Series - Identification and Assembly of Parts |
| 502-300-300 | 1957-09-01 | 1 | 1.31 MB | Hand Telephone Sets - 200 Series - Maintenance |
| 502-301-100 | 1972-04-01 | 1 | 558.08 KB | Reference - 201A, B, C, D; 211A, B, C, D; 212A, B, C; 213A, B, C, E Hand Telephone Sets |
| 502-301-101 | 1970-03-01 | 1 | 2.13 MB | Reference - 211-Type Hand Telephone Sets |
| 502-301-102 | 1970-03-01 | 1 | 2.65 MB | Reference - 212-Type Hand Telephone Sets |
| 502-301-102 | 1973-02-01 | 2 | 1.14 MB | Reference - 212L and M Hand Telephone Sets |
| 502-301-103 | 1971-12-01 | 1 | 2.26 MB | Reference - 202A, B, C, D; 203A, B, C, D, E, F; 215A, B, C, D - Hand Telephone Sets |
| 502-301-104 | 1970-02-01 | 1 | 762.03 KB | Reference - 223-Type Hand Telephone Sets |
| 502-301-400 | 1957-08-01 | 1 | 462.22 KB | Hand Telephone Sets - 201A, B, C, D - Hangup Type - Common Battery - Connections With Induction Coil Type Subscriber Sets |
| 502-302-101 | 1977-05-01 | 3 | 3.60 MB | Reference - 2211- and 2212-Type Hand Telephone Sets |
| 502-302-400 | 1957-08-01 | 1 | 489.00 KB | Hand Telephone Sets - 211A, B, C, D - Hangup Type - Common Battery - Connections With Induction Coil Type Subscriber Sets |
| 502-302-401 | 1957-08-01 | 1 | 411.30 KB | Hand Telephone Sets - 211A, B, C, D - Hangup Type - Common Battery - Connections With Network Type Subscriber Sets |
| 502-302-403 | 1957-08-01 | 1 | 399.57 KB | Hand Telephone Sets - 211J, L - Hangup Type - Common Battery - Connections With Network Type Subscriber Sets |
| 502-302-403 | 1957-08-01 | 1C | 73.02 KB | Hand Telephone Sets - 211J, L - Hangup Type - Common Battery - Connections With Network Type Subscriber Sets |
| 502-302-403 Odd | 1957-08-01 | 1 | 443.65 KB | Hand Telephone Sets - 211J, L - Hangup Type - Common Battery - Connections With Network Type Subscriber Sets |
| 502-303-101 | 1970-02-01 | 1 | 5.41 MB | Reference - 220A Hand Telephone Set - AC1 and AD1 Telephone Bases |
| 502-303-101 | 1972-09-01 | 3 | 3.42 MB | Reference - AC1 and AD1 Telephone Bases with 220A, 1220A, and 2220B Hand Telephone Sets |
| 502-303-101 | 1975-03-01 | 4 | 6.54 MB | Reference - AC- and AD-Type Telephone Bases with 220A, 1220A, and 2220B Hand Telephone Sets |
| 502-303-101 | 1981-09-01 | 8 | 3.63 MB | Reference - AC- and AD-Type Telephone Bases with 220-, 226-, 2220-, and 2226-Type Hand Telephone Sets - Identification, Installation, Connections, and Maintenance |
| 502-303-101 A | 1976-05-01 | 1 | 40.83 KB | Reference - AC- and AD-Type Telephone Bases with 220A, 1220A, and 2220B Hand Telephone Sets |
| 502-303-101 A | 1983-05-01 | 2 | 101.36 KB | Reference - AC- and AD-Type Telephone Bases with 220-, 226-, 2220-, and 2226-Type Hand Telephone Sets - Identification, Installation, Connections, and Maintenance |
| 502-303-102 | 1978-10-01 | 1 | 5.84 MB | Hand Telephone Sets - 220-, 226-, 2220-, and 2226-Type |
| 502-303-102 | 1979-12-01 | 2 | 3.37 MB | 220-, 226-, 2220-, and 2226-Type Hand Telephone Sets - Identification, Installation, Connections, and Maintenance |
| 502-303-102 | 1981-10-01 | 3 | 6.73 MB | 220-, 226-, 2220-, and 2226-Type Hand Telephone Sets - Identification, Installation, Connections, and Maintenance |
| 502-303-102 A | 1982-06-01 | 1 | 47.90 KB | 220-, 226-, 2220-, and 2226-Type Telephone Sets - Identification, Installation, Connections, and Maintenance |
| 502-303-401 | 1957-08-01 | 1 | 91.82 KB | Hand Telephone Sets - 212A, B, C - Hangup Type - Common Battery - Connections With Network Type Subscriber Sets |
| 502-303-403 | 1964-04-01 | 3 | 124.43 KB | Hand Telephone Sets - 212L - Connections |
| 502-305-101 | 1970-04-01 | 1 | 5.22 MB | Reference - 2220B Hand Telephone Set - AC1 and AD1 Telephone Bases |
| 502-310-400 | 1957-08-01 | 1 | 1.61 MB | Hand Telephone Sets - 202A, B, C, D - Desk Type - Common Battery - Connections With Induction Coil Type Subscriber Sets |
| 502-310-401 | 1957-08-01 | 1 | 1.14 MB | Hand Telephone Sets - 202A, B, C, D - Desk Type - Common Battery - Connections With Network Type Subscriber Sets |
| 502-320-100 | 1967-11-01 | 4 | 1015.40 KB | Hand Telephone Set - 220A and 1220A - Identification, Installation, Maintenance, and Connections |
| 502-320-100 | 1968-10-01 | 5 | 3.91 MB | Hand Telephone Set - 220A, 1220A, and 2220B - Identification, Installation, Maintenance, and Connections |
| 502-320-103 | 1968-01-01 | 2 | 882.49 KB | Hand Telephone Sets - 223-Type - Identification, Connection, and Maintenance |
| 502-320-200 | 1965-05-01 | 1 | 4.15 MB | Hand Telephone Set - 220A Trimline - Installation and Maintenance |
| 502-320-400 | 1969-12-01 | 1 | 187.44 KB | Service - 211 Hand Telephone Sets |
| 502-320-400 | 1971-01-01 | 2 | 168.42 KB | Service - 211-Type Hand Telephone Sets |
| 502-320-401 | 1969-12-01 | 1 | 123.81 KB | Service - 212 Hand Telephone Sets |
| 502-320-401 | 1971-02-01 | 2 | 118.08 KB | Service - 212L Hand Telephone Sets |
| 502-320-410 | 1972-01-01 | 1 | 106.52 KB | Service - 201A, B, C, and D Hand Telephone Sets |
| 502-320-411 | 1972-01-01 | 1 | 103.91 KB | Service - 211A, B, C, and D Hand Telephone Sets |
| 502-320-412 | 1972-02-01 | 1 | 140.31 KB | Service - 212A, B, and C Hand Telephone Sets |
| 502-320-413 | 1972-02-01 | 1 | 158.42 KB | Service - 213A, B, C, and E Hand Telephone Sets |
| 502-320-414 | 1971-12-01 | 1 | 139.59 KB | Service - 202A, B, C, and D Hand Telephone Sets |
| 502-320-415 | 1971-12-01 | 1 | 137.79 KB | Service - 203A, B, C, D, E, and F Hand Telephone Sets |
| 502-320-416 | 1971-12-01 | 1 | 134.31 KB | Service - 215A, B, C, and D Hand Telephone Sets |
| 502-321-100 | 1968-06-01 | 3 | 1.63 MB | Telephone Bases - AC1 and AD1 - Identification, Installation, and Maintenance |
| 502-321-100 | 1968-06-01 | 3C | 1.83 MB | Telephone Bases - AC1 and AD1 - Identification, Installation, and Maintenance |
| 502-321-400 | 1968-05-01 | 2 | 571.80 KB | Hand Telephone Sets - 220A, 1220A, and 2220B - Telephone Bases - AC1 and AD1 Trimline - Connections |
| 502-321-400 | 1968-05-01 | 2C | 1.11 MB | Hand Telephone Sets - 220A, 1220A, and 2220B - Telephone Bases - AC1 and AD1 |
| 502-321-910CA | 1972-10-01 | D | 1.01 MB | Telephone Set - QSK100AX and QSK2100AX Contempra |
| 502-321-911CA | 1972-04-01 | B | 131.05 KB | Contempra - Message Waiting - QSK 100 BX |
| 502-322-400 | 1972-09-01 | 3 | 1.30 MB | Service - AC1 and AD1 Telephone Bases With 220A, 1220A, and 2220B Hand Telephone Sets |
| 502-322-400 | 1977-08-01 | 6 | 1.39 MB | Service - AC- and AD-Type Telephone Bases With 220- and 2220-Type Hand Telephone Sets |
| 502-322-400 | 1978-10-01 | 7 | 1.35 MB | Service - AC- and AD-Type Telephone Bases With 220-, 226-, 2220-, and 2226-Type Hand Telephone Sets |
| 502-322-400 | 1980-09-01 | 9 | 3.30 MB | Service - AC- and AD-Type Telephone Bases With 220-, 226-, 2220-, and 2226-Type Hand Telephone Sets - Connections |
| 502-322-400 | 1981-07-01 | 10 | 1.88 MB | Service - AC- and AD-Type Telephone Bases With 220-, 226-, 2220-, and 2226-Type Hand Telephone Sets - Connections |
| 502-322-400 A | 1982-06-01 | 1 | 47.15 KB | Service - AC- and AD-Type Telephone Bases With 220-, 226-, 2220-, and 2226-Type Hand Telephone Sets - Connections |
| 502-323-400 | 1977-03-01 | 3 | 1.39 MB | 5000AM Transaction I Set Base With 220- or 2220-Type Hand Telephone Set |
| 502-323-400 | 1977-03-01 | 3H | 2.68 MB | 5000AM Transaction I Set Base With 220- or 2220-Type Hand Telephone Set |
| 502-323-401 | 1976-08-01 | 1 | 1.08 MB | 5100AM Transaction Telephone Set Base With 220- or 2220-Type Hand Telephone Set |
| 502-323-401 | 1976-08-01 | 1H | 2.57 MB | 5100AM Transaction Telephone Set Base With 220- or 2220-Type Hand Telephone Set |
| 502-323-402 | 1977-09-01 | 2 | 1.36 MB | 5000A Transaction III Terminal Set - With or Without 5000A Printer |
| 502-323-402 | 1977-09-01 | 2H | 3.54 MB | 5000A Transaction III Terminal Set - With or Without 5000A Printer |
| 502-323-403 | 1980-10-01 | 3H | 4.02 MB | 5100BM Transaction Telephone Set Base with 220- or 2220-Type Hand Telephone Set - Used with or Without 5000A or 5000A2 Printer - Identification, Installation, Connections, Testing, and Maintenance |
| 502-330-100 | 1982-04-01 | 4 | 751.80 KB | AL1 Telephone Base - Identification, Installation, Connections, and Maintenance |
| 502-400-100 | 1964-04-01 | 2 | 3.76 MB | Telephone Sets for Indoor Locations - 300 Series - Identification and Assembly of Parts |
| 502-400-101 | 1964-10-01 | 2 | 332.60 KB | Telephone Sets - 5300 Series - Identification and Assembly of Parts |
| 502-400-300 | 1960-03-01 | 3 | 2.14 MB | Telephone Sets - 300 Series - Maintenance |
| 502-400-301 | 1958-04-01 | 2 | 187.98 KB | Telephone Sets - 5300 Series - Maintenance |
| 502-400-400 | 1961-11-01 | 2 | 69.57 KB | Telephone Sets - 302AA, AC - Common Battery - Connections |
| 502-400-401 | 1961-11-01 | 2 | 54.17 KB | Telephone Sets - 302E, G, 5302G - Common Battery - Connections |
| 502-400-401CA | 1964-11-01 | C | 74.46 KB | Telephone Sets - 302, G, Common Battery - Connections |
| 502-400-402 | 1963-12-01 | 5 | 490.70 KB | Telephone Sets - 304A, C; 5304C - Connections |
| 502-400-403 | 1961-11-01 | 2 | 81.66 KB | Telephone Sets - 305E, G - Common Battery - Connections |
| 502-400-404 | 1963-12-01 | 5 | 72.21 KB | Telephone Sets - 306A, C; 5306C - Connections |
| 502-400-406 | 1962-11-01 | 3 | 69.12 KB | Telephone Sets - 306G (Tube Set) - Common Battery - Connections |
| 502-400-407 | 1966-02-01 | 4 | 141.21 KB | Telephone Sets - 329 Type - Identification, Maintenance, and Connections |
| 502-400-408 | 1961-11-01 | 2 | 78.12 KB | Telephone Sets - 332A, C (Amplifier Sets) - Common Battery - Connections |
| 502-400-410 | 1964-03-01 | 3 | 96.11 KB | Telephone Sets - 354A, C - Connections |
| 502-400-411 | 1957-08-01 | 1 | 255.23 KB | Telephone Sets - 356A, C (Tube Sets) - Common Battery - Connections |
| 502-402-100 | 1964-09-01 | 4 | 2.37 MB | Telephone Sets - 322-Type |
| 502-402-100 | 1975-11-01 | 5 | 2.54 MB | Telephone Sets - 322-Type |
| 502-402-105 | 1969-04-01 | 1 | 783.99 KB | Telephone Sets - 325-Type - Identification, Installation, and Maintenance |
| 502-410-400 | 1964-04-01 | 3 | 530.16 KB | Telephone Sets - 300 and 325 Types - Outdoor Locations - Connections |
| 502-415-100 | 1976-08-01 | 6 | 427.84 KB | Telephone Sets - Explosive Atmospheres - General Requirements |
| 502-415-200 | 1958-04-01 | 1 | 775.63 KB | Telephone Sets - 320 Type - Explosive Atmospheres - Installation, Connections, and Maintenance |
| 502-415-201 | 1979-04-01 | 4 | 730.30 KB | Telephone Sets - KS-14476, Lists 1 and 2 - Explosive Atmospheres - Identification, Connections, and Maintenance |
| 502-415-202 | 1976-08-01 | 2 | 353.57 KB | Telephone Set - KS-14548 - Explosive Atmospheres - Installation, Maintenance, and Connections |
| 502-415-203 | 1981-09-01 | 4 | 3.64 MB | 520-Type Telephone Sets - Explosive Atmospheres - Identification, Installation, Connections, and Maintenance |
| 502-415-204 | 1981-09-01 | 4 | 370.71 KB | 2520B Telephone Set - Explosive Atmospheres - Identification, Installation, Connections, and Maintenance |
| 502-430-100 | 1959-03-01 | 1 | 3.26 MB | Telephone Sets - 401, 402, 410, 411, and 412 Types - Identification and Assembly of Parts |
| 502-430-300 | 1959-03-01 | 1 | 75.52 KB | Telephone Sets - 401, 402, 410, 411, and 412 Types - Maintenance |
| 502-430-400 | 1959-03-01 | 1 | 429.05 KB | Telephone Sets - 401, 402, 410, 411, 412, and 5410 Types - Common Battery - Connections |
| 502-435-100 | 1958-08-01 | 1 | 2.32 MB | Telephone Sets - 440, 460 Types - Identification and Assembly of Parts |
| 502-435-300 | 1959-04-01 | 1 | 322.20 KB | Telephone Sets - 440, 460 Types - Maintenance |
| 502-435-400 | 1960-06-01 | 3 | 910.67 KB | Telephone Sets - 440 and 460 Series - Common Battery - Connections |
| 502-435-401 | 1971-04-01 | 1 | 119.64 KB | Service - 462AC and 466AC Telephone Sets |
| 502-500-110 | 1981-11-01 | 4 | 4.78 MB | 0- and 1-Button Telephone Sets - Common Installation and Maintenance Information |
| 502-500-120 | 1974-11-01 | 3 | 1.88 MB | Telephone Sets - 540, 560, 1560, and 2560 Series - Common Installation and Maintenance Information |
| 502-500-120 | 1975-12-01 | 4 | 1.98 MB | Telephone Sets - 540, 560, 1560, and 2560 Series - Common Installation and Maintenance Information |
| 502-500-120 | 1980-08-01 | 5 | 902.54 KB | Telephone Sets - 540, 560, 1560, and 2560 Series - Common Installation and Maintenance Information |
| 502-501-100 | 1980-04-01 | 1 | 881.53 KB | 554BMS and 2554BMS Telephone Sets - Identification, Installation, and Maintenance |
| 502-501-101 | 1970-02-01 | 1 | 1.26 MB | Reference - 500A/B, 500C/D, 500J/K, 554A/B, 554F, and 556A/B Telephone Sets |
| 502-501-101 | 1972-07-01 | 3 | 3.07 MB | Reference - 500A/B, 500C/D, 500J/K, 501A/B, 501C/D, 501J/K, 554A/B, 554F, and 556A/B Telephone Sets |
| 502-501-101 | 1975-02-01 | 4 | 2.51 MB | Reference - 500C/D, 500CM/DM, 501C/D, 501CM/DM, 554A/B, 554F, 554AM/BM, 554AMP/BMP, 556A/B, 556AM/BM, and 556AMP/BMP Telephone Sets |
| 502-501-101 | 1983-12-01 | 8 | 3.92 MB | Reference - 500C/D, 500DM, 501C/D, 554A/B, 554F, 554BM, 554BMP, 554BMPA, and 556A/B Telephone Sets - Identification, Installation, Connections, and Maintenance |
| 502-501-101SN A | 1970-04-01 | A | 855.23 KB | 500A/B, 500C/D, 500J/K, 554A/B, 554F, and 556A/B Telephone Sets |
| 502-501-102 | 1970-02-01 | 1 | 2.28 MB | Reference - 502-, 510-, 511-, 515-, 555-, and 558-Type Telephone Sets |
| 502-501-102 | 1971-07-01 | 2 | 6.02 MB | Reference - 502-, 510-, 511-, 515-, 555-, and 558-Type Telephone Sets |
| 502-501-104 | 1970-03-01 | 1 | 1.51 MB | Reference - 540, 544, and 545 Type Telephone Sets |
| 502-501-104 | 1976-07-01 | 3 | 928.58 KB | Reference - 540-, 543-, 544-, and 545-Type Telephone Sets |
| 502-501-105 | 1970-06-01 | 1 | 3.69 MB | Reference - 563-, 564-, and 568-Type Telephone Sets |
| 502-501-106 | 1970-05-01 | 1 | 2.96 MB | Reference - 565-Type Telephone Sets |
| 502-501-115 | 1970-03-01 | 1 | 6.33 MB | Reference - 500E/F, 500H, 500L/M, 500P, 500R/S, 500U, 500W, 500Y, 500AD, 501F, 501P, 501U, and 514B Telephone Sets |
| 502-501-115 | 1971-05-01 | 2 | 5.58 MB | Reference - 500E/F, 500H, 500L/M, 500P, 500R/S, 500U, 500W, 500Y, 500AD, 501F, 501P, 501U, 514B, and 518B Telephone Sets |
| 502-501-115 | 1981-11-01 | 4 | 3.38 MB | Reference - 500AD, ADM, E/F, FM, H, L/M, MM, P, R/S, SM, U, W/Y, YM, 501F, P, U, 514B, BM, and 516B Telephone Sets - Identification, Installation, Maintenance, and Connections |
| 502-501-116 | 1970-02-01 | 1 | 3.03 MB | Reference - 507, 509, 532, 533, 535, 536, 557, and 559 Types - Telephone Sets |
| 502-501-117 | 1970-03-01 | 1 | 4.69 MB | Reference - 525- and 526-Type Telephone Sets |
| 502-501-117 | 1972-12-01 | 2 | 4.22 MB | Reference - 525- and 526-Type Telephone Sets |
| 502-501-117 | 1978-10-01 | 4 | 14.27 MB | Reference - 525- and 526-Type Telephone Sets |
| 502-501-117SN A | 1976-06-01 | B | 35.14 KB | 525- and 526-Type Telephone Sets |
| 502-501-119 | 1970-03-01 | 1 | 3.19 MB | Reference - 570-Type Telephone Sets (Emergency Reporting) |
| 502-501-120 | 1973-10-01 | 4 | 1.14 MB | Reference - 503B, C and 513B Telephone Sets |
| 502-501-120 | 1978-08-01 | 8 | 603.45 KB | Reference - 503B, 503C, 503CM, and 513B Telephone Sets |
| 502-501-121 | 1971-03-01 | 1 | 769.35 KB | Reference - 529B Telephone Sets |
| 502-501-121 | 1975-11-01 | 2 | 299.33 KB | Reference - 529B and 529BM Telephone Sets |
| 502-501-122 | 1971-03-01 | 1 | 50.60 KB | Reference - 567PB and 569NB Telephone Sets |
| 502-501-122 | 1976-07-01 | 2 | 111.21 KB | Reference - 567PB, 569NB, and 569NBM Telephone Sets |
| 502-502-101 | 1970-02-01 | 1 | 934.62 KB | Reference - 1500D and 1554B Telephone Sets |
| 502-502-102 | 1970-04-01 | 1 | 4.42 MB | Reference - 1502-, 1510-, 1511-, 1515-, 1555-, and 1558-Type Telephone Sets |
| 502-502-103 | 1970-06-01 | 1 | 492.75 KB | Reference - 1563-, 1564-, and 1568-Type Telephone Sets |
| 502-502-104 | 1970-05-01 | 1 | 2.44 MB | Reference - 1565-Type Telephone Sets |
| 502-502-110 | 1970-02-01 | 1 | 1.32 MB | Reference - 1500M, 1500S, 1500Y, and 1514B Telephone Sets |
| 502-503-101 | 1970-02-01 | 1 | 944.40 KB | Reference - 2500D and 2554B Telephone Sets |
| 502-503-101 | 1974-02-01 | 4 | 2.80 MB | Reference - 2500D and 2554B Telephone Sets |
| 502-503-101 | 1974-11-01 | 5 | 2.52 MB | Reference - 2500 and 2554-Type Telephone Sets |
| 502-503-101 | 1984-01-01 | 10 | 6.41 MB | Reference - 2500- and 2554-Type Telephone Sets - Identification, Installation, Maintenance, and Connections |
| 502-503-101SN A | 1975-08-01 | A | 28.39 KB | Reference - 2500 and 2554 Type Telephone Set |
| 502-503-102 | 1970-02-01 | 1 | 2.75 MB | Reference - 2502-, 2510-, 2511-, 2515-, 2555-, and 2558-Type Telephone Sets |
| 502-503-102 | 1979-11-01 | 5 | 2.88 MB | Reference - 2502-, 2510-, 2511-, 2515-, 2555-, and 2558-Type Telephone Sets - Identification, Installation, Operation, Maintenance, and Connections |
| 502-503-103 | 1970-06-01 | 1 | 3.87 MB | Reference - 2563-, 2564-, and 2568-Type Telephone Sets |
| 502-503-104 | 1970-03-01 | 1 | 1.93 MB | Reference - 2565-Type Telephone Sets |
| 502-503-110 | 1970-02-01 | 1 | 576.69 KB | Reference - 2500M, 2500S, 2500Y, and 2514B Telephone Sets |
| 502-503-120 | 1979-01-01 | 7 | 912.76 KB | Reference - 2503-Type Telephone Sets |
| 502-503-120 | 1982-07-01 | 8 | 563.16 KB | Reference - 2503-Type Telephone Sets - Identification and Connections |
| 502-503-125 | 1970-04-01 | 1 | 2.70 MB | Reference - 2526B Telephone Set |
| 502-503-130IS | 1985-08-01 | 1 | 201.23 KB | 2500 DMGC Analog Telephone Set with Message Waiting, Timed Recall, and Three Level Volume Control |
| 502-510-100 | 1967-12-01 | 6 | 9.82 MB | Telephone Sets - 500, 501, 554, and 556 Types - Identification, Installation, and Maintenance |
| 502-510-100 A | 1968-06-01 | 1 | 78.29 KB | Telephone Sets - 500, 501, 554, and 556 Types - Identification, Installation, and Maintenance |
| 502-510-100CA | 1970-07-01 | F | 1.29 MB | Telephone Sets - 500 and 554 Types - Identification, Installation and Maintenance |
| 502-510-121 | 1967-12-01 | 1 | 307.33 KB | Telephone Sets - 2500 and 2554 Types - Identification, Installation, and Maintenance |
| 502-510-121CA | 1970-07-01 | C | 320.89 KB | Telephone Sets - 1500 (M.D.), 1554 (M.D.), 2500 & 2554 - Identification, Installation, and Maintenance |
| 502-510-400 | 1962-09-01 | 5 | 216.46 KB | Telephone Sets - 500A, B and 501A, B - Common Battery - Connections |
| 502-510-401 | 1968-10-01 | 8 | 243.72 KB | Telephone Sets - 500C/D and 501C/D - Connections |
| 502-510-401 | 1968-10-01 | 8C | 204.67 KB | Telephone Sets - 500C/D and 501C/D - Connections |
| 502-510-401CA | 1970-02-01 | E | 121.71 KB | Telephone Sets - 500C, D - Connections |
| 502-510-404 | 1962-09-01 | 4 | 201.61 KB | Telephone Sets - 500J, K and 501J, K - Common Battery - Connections |
| 502-510-407 | 1964-06-01 | 4 | 1.03 MB | Telephone Sets - 500R and 500S - Speakerphone System - Connections |
| 502-510-408 | 1963-02-01 | 4 | 181.42 KB | Telephone Sets - 500U and 501U (Illuminated Dial and Night Light) - Common Battery - Connections |
| 502-510-410 | 1965-07-01 | 8 | 466.46 KB | Telephone Sets - 554A, B and 556A, B - Connections |
| 502-510-410CA | 1970-04-01 | D | 128.66 KB | Telephone Sets - 554B - Common Battery - Connections |
| 502-510-411 | 1966-01-01 | 1 | 2.05 MB | Telephone Set - 500AB - Connections |
| 502-510-420 | 1964-06-01 | 2 | 836.94 KB | Telephone Sets - 514B - Connections |
| 502-510-431 | 1964-06-01 | 3 | 174.73 KB | Telephone Sets - 1500D - Connections |
| 502-510-431 | 1967-10-01 | 5 | 186.26 KB | Telephone Sets - 1500D - Connections |
| 502-510-433 | 1964-05-01 | 3 | 2.07 MB | Telephone Sets - 1500S - Connections |
| 502-510-433 | 1967-07-01 | 4 | 312.52 KB | Telephone Sets - 1500S - Connections |
| 502-510-440 | 1967-10-01 | 7 | 275.47 KB | Telephone Sets - 1554B - Connections |
| 502-510-450 | 1967-06-01 | 1 | 98.23 KB | Telephone Sets - 2500D - Connections |
| 502-510-450CA | 1972-10-01 | D | 316.70 KB | Telephone Sets - 1500D, 2500D, 1554B and 2554B - Connections |
| 502-510-460 | 1967-07-01 | 1 | 209.02 KB | Telephone Sets - 2554B - Connections |
| 502-510-460 | 1967-07-01 | 1C | 203.00 KB | Telephone Sets - 2554B - Connections |
| 502-512-401 | 1967-01-01 | 2 | 840.46 KB | Telephone Set - 500AD - Connections |
| 502-515-121CA | 1970-06-01 | C | 236.60 KB | Telephone Sets - 1511 DQA (M.D.), 2511 DQA Types - Identification, Installation, and Maintenance |
| 502-515-400 | 1967-09-01 | 5 | 839.18 KB | Telephone Sets - 502, 510, and 511 Types - Connections |
| 502-515-400CA | 1970-06-01 | E | 649.14 KB | Telephone Sets - 502, 510, and 511 Types - Common Battery - Connections |
| 502-515-401 | 1967-09-01 | 4 | 428.69 KB | Telephone Sets - 558-Type - Connections |
| 502-515-421 | 1967-09-01 | 5 | 469.89 KB | Telephone Sets - 1558D - Connections |
| 502-515-422 | 1967-10-01 | 3 | 213.15 KB | Telephone Sets - 1502B - Connections |
| 502-515-425 | 1967-08-01 | 2 | 1.41 MB | Telephone Sets - 1515-Type - Connections |
| 502-515-430 | 1967-11-01 | 4 | 354.98 KB | Telephone Sets - 1510F - Connections |
| 502-515-431 | 1967-09-01 | 6 | 436.52 KB | Telephone Sets - 1511-Type - Connections |
| 502-515-441 | 1967-09-01 | 1 | 339.72 KB | Telephone Sets - 2511F - Connections |
| 502-520-101 | 1968-02-01 | 1 | 2.95 MB | Telephone Sets - 514B- and 1514B-Type - Identification, Installation, and Maintenance |
| 502-520-400 | 1964-04-01 | 4 | 309.79 KB | Telephone Sets - 507A, B; 509A, B; 557A, B; and 559A, B - Amplifier Sets for Long Loops - Connections |
| 502-520-402 | 1963-02-01 | 5 | 220.62 KB | Telephone Sets - 532A, B and 533A, B (Amplifier Sets for Impaired Hearing) - Common Battery - Connections |
| 502-520-402 | 1963-02-01 | 5C | 205.05 KB | Telephone Sets - 532A, B and 533A, B (Amplifier Sets for Impaired Hearing) - Common Battery - Connections |
| 502-520-402CA | 1970-04-01 | D | 106.64 KB | Telephone Sets - 532B, (Amplifier Sets for Impaired Hearing) - Common Battery - Connections |
| 502-520-404 | 1964-03-01 | 7 | 137.03 KB | Telephone Sets - 535 Type - Connections |
| 502-521-401 | 1971-02-01 | 2 | 110.17 KB | Service - 500A/B Telephone Sets |
| 502-521-402 | 1969-12-01 | 1 | 80.29 KB | Service - 500C/D Telephone Sets |
| 502-521-402 | 1971-01-01 | 2 | 375.15 KB | Service - 500C/D Telephone Sets |
| 502-521-402 | 1979-07-01 | 4 | 203.06 KB | Service - 500C/D and 500DM Telephone Sets - Connections |
| 502-521-402 | 1983-07-01 | 5 | 228.47 KB | Service - 500C/D and 500DM Telephone Sets - Connections |
| 502-521-402 A | 1982-06-01 | 1 | 41.39 KB | Service - 500C/D and 500DM Telephone Sets - Connections |
| 502-521-403 | 1971-02-01 | 2 | 112.31 KB | Service - 500J/K Telephone Sets |
| 502-521-404 | 1971-02-01 | 2 | 115.06 KB | Service - 501A/B Telephone Sets |
| 502-521-405 | 1976-01-01 | 4 | 197.51 KB | Service - 501C/D and 501CM/DM Telephone Sets |
| 502-521-406 | 1971-02-01 | 2 | 109.68 KB | Service - 501J/K Telephone Sets |
| 502-521-410 | 1971-02-01 | 2 | 280.18 KB | Service - 554A/B and F Telephone Sets |
| 502-521-410 | 1975-12-01 | 4 | 306.52 KB | Service - 554A/B, 554F, 554AM, 554BM, 554AMP, and 554BMP Telephone Sets - Connections |
| 502-521-410 | 1980-11-01 | 5 | 456.17 KB | Service - 554A/B, 554F, 554AM, 554BM, 554AMP, and 554BMP Telephone Sets - Connections |
| 502-521-411 | 1976-05-01 | 4 | 155.43 KB | Service - 556A/B, 556AM/BM, and 556AMP/BMP Telephone Sets |
| 502-521-411 | 1979-10-01 | 5 | 223.84 KB | Service - 556A/B Telephone Sets - Connections |
| 502-522-401 | 1971-01-01 | 2 | 159.13 KB | Service - 1500D Telephone Sets |
| 502-522-402 | 1972-08-01 | 3 | 149.39 KB | Service - 1554B Telephone Sets |
| 502-523-401 | 1971-02-01 | 2 | 338.20 KB | Service - 2500D Telephone Sets |
| 502-523-401 | 1978-05-01 | 6 | 171.94 KB | Service - 2500D and 2500DM Telephone Sets |
| 502-523-401 | 1980-08-01 | 7 | 665.91 KB | Service - 2500D, 2500DM, and 2500DMG Telephone Sets - Connections |
| 502-523-401 | 1982-05-01 | 8 | 345.69 KB | Service - 2500D, 2500DM, and 2500DMG Telephone Sets - Connections |
| 502-523-401 A | 1982-06-01 | 1 | 43.65 KB | Service - 2500D, 2500DM, and 2500DMG Telephone Sets - Connections |
| 502-523-402 | 1974-02-01 | 4 | 733.45 KB | Service - 2554B Telephone Sets |
| 502-523-402 | 1978-05-01 | 7 | 446.98 KB | Service - 2554-Type Telephone Sets |
| 502-523-402 | 1980-08-01 | 9 | 2.03 MB | Service - 2554B, 2554BM, 2554BMP, and 2554BMPG Telephone Sets - Connections |
| 502-523-402 | 1982-05-01 | 10 | 1.38 MB | Service - 2554B, 2554BM, 2554BMP, and 2554BMPG Telephone Sets - Connections |
| 502-523-402 A | 1982-06-01 | 1 | 51.07 KB | Service - 2554B, 2554BM, 2554BMP, and 2554BMPG Telephone Sets - Connections |
| 502-525-200 | 1963-12-01 | 2 | 3.70 MB | Telephone Sets - 540, 650, and 1560 Series - Installation |
| 502-525-400 | 1964-01-01 | 3 | 5.81 MB | Telephone Sets - 540 and 560 Series - Connections |
| 502-525-403 | 1964-06-01 | 2 | 2.43 MB | Telephone Sets - 563HB - Connections |
| 502-525-404 | 1961-04-01 | 2 | 3.30 MB | Telephone Sets - 564HDR - Common Battery - Connections |
| 502-525-405 | 1962-03-01 | 3 | 4.41 MB | Key Telephone Sets - 565HDR - Common Battery - Connections |
| 502-525-406 | 1965-10-01 | 4 | 4.18 MB | Key Telephone Sets - 565LDR - Connections |
| 502-525-408 | 1964-06-01 | 1 | 4.65 MB | Telephone Sets - 565LK - Connections |
| 502-525-409 | 1966-03-01 | 2 | 5.37 MB | Telephone Sets - 565GK - Connections |
| 502-525-410 | 1964-06-01 | 3 | 668.56 KB | Telephone Sets - 564HK - Connections |
| 502-525-410 | 1966-03-01 | 5 | 3.67 MB | Telephone Sets - 564HK and 564HL - Connections |
| 502-525-423 | 1968-06-01 | 2 | 6.57 MB | Telephone Sets - 1563HB - Connections |
| 502-525-426 | 1964-06-01 | 3 | 6.23 MB | Telephone Sets - 1565HK - Connections |
| 502-529-400 | 1964-06-01 | 5 | 1.53 MB | Telephone Sets - 462, 466, and 566 Types - Connections |
| 502-531-401 | 1977-05-01 | 3 | 117.24 KB | Service - 502A/B and 502BM Telephone Sets |
| 502-531-401 | 1979-05-01 | 4 | 821.11 KB | Service - 502A/B and 502BM Telephone Sets - Connections |
| 502-531-402 | 1977-05-01 | 7 | 156.33 KB | Service - 510A, B, E, F, and FM Telephone Sets |
| 502-531-403 | 1971-01-01 | 2 | 98.43 KB | Service - 511A/B Telephone Sets |
| 502-531-404 | 1971-02-01 | 2 | 317.33 KB | Service - 511C/D Telephone Sets |
| 502-531-405 | 1977-05-01 | 6 | 213.22 KB | Service - 511F, 511H, and 511HM Telephone Sets |
| 502-531-406 | 1969-12-01 | 1 | 80.41 KB | Service - 515B Telephone Sets |
| 502-531-406 | 1977-05-01 | 4 | 560.01 KB | Service - 515B and 515BM Telephone Sets |
| 502-531-407 | 1969-12-01 | 1 | 71.80 KB | Service - 555B Telephone Sets |
| 502-531-407 | 1979-06-01 | 5 | 813.61 KB | Service - 555B, 555BM, and 555BMP Telephone Sets - Connections |
| 502-531-408 | 1971-01-01 | 2 | 45.87 KB | Service - 558A/B Telephone Sets |
| 502-531-409 | 1971-02-01 | 2 | 71.56 KB | Service - 558C/D Telephone Sets |
| 502-531-410 | 1969-12-01 | 1 | 108.77 KB | Service - 558F Telephone Sets |
| 502-531-410 | 1977-05-01 | 5 | 633.89 KB | Service - 558F and 558FM Telephone Sets |
| 502-532-401 | 1971-02-01 | 2 | 199.29 KB | Service - 1502B Telephone Sets |
| 502-532-402 | 1971-01-01 | 2 | 206.52 KB | Service - 1510F Telephone Sets |
| 502-532-403 | 1969-12-01 | 1 | 224.80 KB | Service - 1511D Telephone Sets |
| 502-532-403 | 1971-02-01 | 2 | 616.00 KB | Service - 1511D Telephone Sets |
| 502-532-408 | 1971-01-01 | 2 | 256.68 KB | Service - 1511F/H Telephone Sets |
| 502-532-409 | 1971-01-01 | 2 | 218.40 KB | Service - 1515B Telephone Sets |
| 502-532-410 | 1971-02-01 | 2 | 258.98 KB | Service - 1555B Telephone Sets |
| 502-532-411 | 1972-08-01 | 3 | 243.34 KB | Service - 1558D Telephone Sets |
| 502-533-100 | 1964-06-01 | 2 | 360.90 KB | Telephone Sets - 569NB |
| 502-533-401 | 1971-07-01 | 2 | 94.95 KB | Service - 2502B Telephone Sets |
| 502-533-401 | 1977-05-01 | 4 | 190.84 KB | Service - 2502B and 2502BM Telephone Sets |
| 502-533-402 | 1971-06-01 | 3 | 79.71 KB | Service - 2510F Telephone Sets |
| 502-533-402 | 1977-05-01 | 5 | 140.12 KB | Service - 2510F and 2510FM Telephone Sets |
| 502-533-403 | 1971-07-01 | 2 | 592.47 KB | Service - 2511F and H Telephone Sets |
| 502-533-403 | 1977-06-01 | 4 | 294.90 KB | Service - 2511F, 2511H, and 2511HM Telephone Sets |
| 502-533-404 | 1977-05-01 | 4 | 211.71 KB | Service - 2515B and 2515BM Telephone Sets |
| 502-533-405 | 1975-08-01 | 3 | 282.14 KB | Service - 2555B, 2555BM, and 2555BMP Telephone Sets |
| 502-533-406 | 1972-08-01 | 3 | 376.93 KB | Service - 2558D Telephone Sets |
| 502-533-406 | 1977-05-01 | 5 | 196.95 KB | Service - 2558D and 2558DM Telephone Sets |
| 502-541-401 | 1970-04-01 | 1 | 157.68 KB | Service - 540B Telephone Set |
| 502-541-402 | 1970-04-01 | 1 | 314.02 KB | Service - 544-Type Telephone Set |
| 502-541-403 | 1970-04-01 | 1 | 240.96 KB | Service - 545-Type Telephone Set |
| 502-541-404 | 1970-06-01 | 1 | 455.14 KB | Service - 563HB Telephone Sets |
| 502-541-405 | 1970-06-01 | 1 | 506.99 KB | Service - 564B, 564C, 564D, and 564H Telephone Sets |
| 502-541-406 | 1970-04-01 | 1 | 276.97 KB | Service - 564HD Telephone Set |
| 502-541-406 | 1972-04-01 | 2 | 860.22 KB | Service - 564HD Telephone Set |
| 502-541-407 | 1970-04-01 | 1 | 226.45 KB | Service - 564HK and 564HL Telephone Sets |
| 502-541-407 | 1973-06-01 | 3 | 554.38 KB | Service - 564HK and 564HL Telephone Sets |
| 502-541-407 | 1975-12-01 | 4 | 827.47 KB | Service - 564HK, 564HL, and 564HLM Telephone Sets |
| 502-541-407 | 1980-03-01 | 5 | 1.47 MB | Service - 564HK, 564HL, 564HLM and 564HLMS Telephone Sets - Connections and Maintenance |
| 502-541-408 | 1970-06-01 | 1 | 902.06 KB | Service - 565A, 565B, 565E, 565G, 565H, and 565L Telephone Sets |
| 502-541-410 | 1970-04-01 | 1 | 826.98 KB | Service - 565HD Telephone Set |
| 502-541-410 | 1971-12-01 | 2 | 763.27 KB | Service - 565HD Telephone Set |
| 502-541-412 | 1970-06-01 | 1 | 384.09 KB | Service - 565LDR Telephone Sets |
| 502-541-414 | 1970-04-01 | 1 | 283.61 KB | Service - 565GK Telephone Sets |
| 502-541-414 | 1974-11-01 | 4 | 1005.24 KB | Service - 565GK Telephone Sets |
| 502-541-414 | 1976-01-01 | 5 | 963.05 KB | Service - 565GK and 565GKM Telephone Sets |
| 502-541-414 | 1979-09-01 | 6 | 1.68 MB | Service - 565GK, 565GKM, and 565GKMS Telephone Sets - Connections |
| 502-541-415 | 1970-04-01 | 1 | 856.02 KB | Service - 565HK Telephone Sets |
| 502-541-415 | 1974-11-01 | 5 | 1.43 MB | Service - 565HK Telephone Sets |
| 502-541-415 | 1977-11-01 | 7 | 1.89 MB | Service - 565HK and 565HKM Telephone Sets |
| 502-541-415 | 1980-02-01 | 8 | 2.33 MB | Service - 565HK, 565HKM, and 565HKMS Telephone Sets - Connections |
| 502-541-416 | 1970-06-01 | 1 | 947.69 KB | Service - 565LK Telephone Set |
| 502-541-416 | 1975-10-01 | 6 | 1.81 MB | Service - 565LK or 565LKM Telephone Sets |
| 502-541-416 | 1977-11-01 | 7 | 1.75 MB | Service - 565LK and 565LKM Telephone Sets |
| 502-541-416 | 1980-02-01 | 8 | 2.45 MB | Service - 565LK, 565LKM, and 565LKMS Telephone Sets - Connections |
| 502-541-419 | 1971-06-01 | 1 | 343.70 KB | Service - 566FB, 566MB, 566MD Telephone Sets and 6040D, 6041D, 6040K, 6041K Keys |
| 502-541-420 | 1970-09-01 | 1 | 222.03 KB | Service - 568HB Telephone Set |
| 502-541-423 | 1970-08-01 | 1 | 369.38 KB | Service - 568HF and 568HR Telephone Sets |
| 502-541-425 | 1970-05-01 | 1 | 208.67 KB | Service - 566HAA Telephone Set |
| 502-541-429 | 1971-04-01 | 1 | 94.43 KB | Service - 567PB Telephone Sets |
| 502-541-430 | 1975-11-01 | 2 | 203.43 KB | Service - 569NB and 569NBM Telephone Sets |
| 502-542-400 | 1970-07-01 | 1 | 488.74 KB | Service - 1563HB Telephone Sets |
| 502-542-402 | 1970-05-01 | 1 | 822.56 KB | Service - 1564HK and 1564HL Telephone Sets |
| 502-542-403 | 1970-05-01 | 1 | 515.28 KB | Service - 1565GK Telephone Sets |
| 502-542-404 | 1970-04-01 | 1 | 476.71 KB | Service - 1565HK Telephone Sets |
| 502-542-405 | 1970-05-01 | 1 | 465.62 KB | Service - 1565LK Telephone Sets |
| 502-543-400 | 1972-12-01 | 2 | 1.09 MB | Service - 2563HB Telephone Set |
| 502-543-400 | 1980-12-01 | 5 | 1.55 MB | Service - 2563HB, 2563HBM, ans 2563HBMS Telephone Set - Maintenance and Connections |
| 502-543-402 | 1980-11-01 | 6 | 453.14 KB | Service - 2564HL, 2564HLM, and 2564HLMS Telephone Sets - Maintenance and Connections |
| 502-543-403 | 1970-05-01 | 1 | 348.11 KB | Service - 2565GK Telephone Sets |
| 502-543-403 | 1975-10-01 | 5 | 1.15 MB | Service - 2565GK and 2565GKM Telephone Sets |
| 502-543-403 | 1979-05-01 | 6 | 1.78 MB | Service - 2565GK and 2565GKM Telephone Sets - Connections |
| 502-543-403 | 1980-12-01 | 7 | 1.16 MB | Service - 2565GK, 2565GKM, and 2565GKMS Telephone Sets - Connections |
| 502-543-405 | 1970-04-01 | 1 | 371.83 KB | Service - 2565HK Telephone Sets |
| 502-543-405 | 1975-10-01 | 6 | 1.60 MB | Service - 2565HK and 2565HKM Telephone Sets |
| 502-543-405 | 1977-11-01 | 7 | 1.76 MB | Service - 2565HK and 2565HKM Telephone Sets |
| 502-543-405 | 1980-03-01 | 8 | 2.60 MB | Service - 2565HK, 2565HKM, and 2565HKMS Telephone Sets - Connections |
| 502-543-405 | 1980-12-01 | 9 | 1.63 MB | Service - 2565HK, 2565HKM, and 2565HKMS Telephone Sets - Connections |
| 502-543-406 | 1970-05-01 | 1 | 163.77 KB | Service - 2565LK Telephone Sets |
| 502-543-406 | 1975-12-01 | 6 | 1.73 MB | Service - 2565LK and 2565LKM Telephone Sets |
| 502-543-406 | 1977-11-01 | 7 | 1.81 MB | Service - 2565LK and 2565LKM Telephone Sets |
| 502-543-406 | 1980-02-01 | 8 | 2.46 MB | Service - 2565LK, 2565LKM, and 2565LKMS Telephone Sets - Connections |
| 502-543-410 | 1976-04-01 | 3 | 1.44 MB | Service - 2568HAA and 2568HAAM Telephone Set |
| 502-560-109 | 1968-06-01 | 1 | 2.08 MB | Telephone Sets - 529B - Identification, Installation, Connections, and Maintenance |
| 502-560-400 | 1964-06-01 | 3 | 107.58 KB | Telephone Sets - 525A and B - Connections |
| 502-580-401 | 1970-01-01 | 1 | 100.90 KB | Service - 500AD Telephone Sets |
| 502-580-401 | 1976-05-01 | 3 | 262.31 KB | Service - 500AD and 500ADM Telephone Sets |
| 502-580-402 | 1975-12-01 | 3 | 509.22 KB | Service - 500E/F and 500EM/FM Telephone Sets |
| 502-580-402 | 1979-07-01 | 4 | 227.20 KB | Service - 500E/F and 500FM Telephone Sets |
| 502-580-403 | 1975-03-01 | 3 | 188.10 KB | Service - 501F and 501FM Telephone Sets |
| 502-580-404 | 1971-02-01 | 2 | 91.17 KB | Service - 500H Telephone Sets |
| 502-580-405 | 1975-11-01 | 3 | 850.64 KB | Service - 500L/M and 500LM/MM Telephone Sets |
| 502-580-405 | 1977-05-01 | 4 | 229.15 KB | Service - 500L/M and 500MM Telephone Sets |
| 502-580-406 | 1970-01-01 | 1 | 92.00 KB | Service - 500P Telephone Sets |
| 502-580-406 | 1971-02-01 | 2 | 115.65 KB | Service - 500P Telephone Sets |
| 502-580-407 | 1970-01-01 | 1 | 95.68 KB | Service - 501P Telephone Sets |
| 502-580-407 | 1971-02-01 | 2 | 122.32 KB | Service - 501P Telephone Sets |
| 502-580-408 | 1969-12-01 | 1 | 120.41 KB | Service - 500R/S Telephone Sets |
| 502-580-408 | 1977-05-01 | 5 | 257.03 KB | Service - 500R/S and 500SM Telephone Sets |
| 502-580-408 | 1979-07-01 | 6 | 264.74 KB | Service - 500R/S and 500SM Telephone Sets |
| 502-580-409 | 1970-01-01 | 1 | 111.17 KB | Service - 500U Telephone Sets |
| 502-580-409 | 1971-02-01 | 2 | 140.49 KB | Service - 500U Telephone Sets |
| 502-580-410 | 1970-01-01 | 1 | 110.39 KB | Service - 501U Telephone Sets |
| 502-580-410 | 1971-02-01 | 2 | 141.16 KB | Service - 501U Telephone Sets |
| 502-580-411 | 1970-01-01 | 1 | 66.66 KB | Service - 500W/Y Telephone Sets |
| 502-580-411 | 1971-07-01 | 2 | 63.06 KB | Service - 500W/Y Telephone Sets |
| 502-580-411 | 1975-12-01 | 3 | 477.74 KB | Service - 500W/Y and 500WM/YM Telephone Sets |
| 502-580-411 | 1981-07-01 | 4 | 242.52 KB | Service - 500W/Y and 500YM Telephone Sets |
| 502-580-412 | 1970-01-01 | 1 | 122.40 KB | Service - 514B Telephone Sets |
| 502-580-412 | 1977-05-01 | 4 | 164.64 KB | Service - 514B and 514BM Telephone Sets |
| 502-580-412 | 1981-05-01 | 5 | 150.46 KB | Service - 514B and 514BM Telephone Sets - Connections |
| 502-580-426 | 1969-12-01 | 1 | 110.82 KB | Service - 509A/B Telephone Sets |
| 502-580-427 | 1969-12-01 | 1 | 87.17 KB | Service - 532A, B Telephone Sets |
| 502-580-428 | 1969-12-01 | 1 | 84.92 KB | Service - 533A/B Telephone Sets |
| 502-580-429 | 1970-01-01 | 1 | 95.92 KB | Service - 535A and B Telephone Sets |
| 502-580-430 | 1969-12-01 | 1 | 118.44 KB | Service - 536A/B Telephone Sets |
| 502-580-431 | 1971-03-01 | 2 | 737.01 KB | Service - 543DB and 543DBC Telephone Sets |
| 502-580-432 | 1969-12-01 | 1 | 113.24 KB | Service - 557A/B Telephone Sets |
| 502-580-433 | 1969-12-01 | 1 | 93.25 KB | Service - 559A/B Telephone Sets |
| 502-580-436 | 1975-12-01 | 3 | 180.80 KB | Service - 529B and 529BM Telephone Sets |
| 502-580-437 | 1971-02-01 | 2 | 170.04 KB | Service - 525A/B Telephone Sets |
| 502-580-438 | 1970-01-01 | 1 | 229.83 KB | Service - 526A and 526B Telephone Sets |
| 502-580-438 | 1979-04-01 | 7 | 1.56 MB | Service - 526A/B and 526AM/BM Telephone Sets - Connections |
| 502-580-455 | 1970-01-01 | 1 | 454.12 KB | Service - 570 Telephone Sets |
| 502-580-455 | 1972-01-01 | 3 | 1.79 MB | Service - 570 Telephone Sets (Emergency Reporting) |
| 502-580-455 A | 1972-12-01 | 1 | 93.31 KB | Service - 570 Telephone Sets (Emergency Reporting) |
| 502-580-460 | 1977-12-01 | 4 | 191.89 KB | Service - 503B and 503CM Telephone Sets |
| 502-580-461 | 1975-10-01 | 2 | 206.55 KB | Service - 513B and 513BM Telephone Sets |
| 502-580-463 | 1971-08-01 | 1 | 69.40 KB | Service - 516B Telephone Sets |
| 502-581-400 | 1970-01-01 | 1 | 152.19 KB | Service - 1500M Telephone Sets |
| 502-581-400 | 1971-03-01 | 2 | 148.23 KB | Service - 1500M Telephone Sets |
| 502-581-401 | 1970-01-01 | 1 | 208.18 KB | Service - 1500S Telephone Sets |
| 502-581-401 | 1971-03-01 | 2 | 1.02 MB | Service - 1500S Telephone Sets |
| 502-581-402 | 1970-01-01 | 1 | 148.90 KB | Service - 1500Y Telephone Sets |
| 502-581-402 | 1971-02-01 | 2 | 890.98 KB | Service - 1500Y Telephone Sets |
| 502-581-403 | 1971-02-01 | 2 | 258.49 KB | Service - 1514B Telephone Sets |
| 502-582-400 | 1970-01-01 | 1 | 93.57 KB | Service - 2500M Telephone Sets |
| 502-582-400 | 1975-10-01 | 3 | 638.38 KB | Service - 2500M and MM Telephone Sets |
| 502-582-400 | 1977-05-01 | 4 | 448.67 KB | Service - 2500M and MM Telephone Sets |
| 502-582-400 | 1979-11-01 | 5 | 667.53 KB | Service - 2500M and 2500MM Telephone Sets - Connections |
| 502-582-400 | 1982-05-01 | 6 | 174.41 KB | Service - 2500M, 2500MM, and 2500MMG Telephone Sets - Connections |
| 502-582-402 | 1970-01-01 | 1 | 85.30 KB | Service - 2500S Telephone Sets |
| 502-582-402 | 1977-05-01 | 5 | 427.58 KB | Service - 2500S and 2500SM Telephone Sets |
| 502-582-403 | 1969-12-01 | 1 | 89.76 KB | Service - 2500Y Telephone Sets |
| 502-582-403 | 1976-05-01 | 3 | 410.76 KB | Service - 2500Y and 2500YM Telephone Sets |
| 502-582-404 | 1977-05-01 | 4 | 164.20 KB | Service - 2514B and 2514BM Telephone Sets |
| 502-582-404 | 1979-09-01 | 5 | 543.09 KB | Service - 2514B and 2514BM Telephone Sets - Connections |
| 502-582-415 | 1970-01-01 | 1 | 253.15 KB | Service - 2526B Telephone Sets |
| 502-582-415 | 1979-02-01 | 6 | 1.68 MB | Service - 2526B and 2526BM Telephone Sets - Connections |
| 502-600-100 | 1973-05-01 | 2 | 3.41 MB | 630, 1630, and 2630 Series Telephone Sets - Common Installation and Maintenance Information |
| 502-600-100 | 1976-11-01 | 3 | 3.48 MB | 630, 1630, and 2631 Series Telephone Sets |
| 502-600-100 | 1981-01-01 | 4 | 1.56 MB | 630-, 1630-, and 2630-Series Telephone Sets - Common Installation and Maintenance |
| 502-600-102 | 1975-12-01 | 2 | 4.93 MB | 660, 1660, and 2660 Series Telephone Sets |
| 502-601-100 | 1980-12-01 | 6 | 1.07 MB | Reference - 630-, 631-, and 632-Type Telephone Sets - Identification |
| 502-601-101 | 1982-09-01 | 8 | 747.59 KB | Reference - 608-, 618-, 634-, 635-, 636-, 637-, 638-, 639-, 682-, and 683-Type Telephone Sets - Identification |
| 502-601-102 | 1979-10-01 | 2 | 319.61 KB | Reference - 609-, 617-, and 625-Type Telephone Sets - Identification |
| 502-601-120 | 1975-07-01 | 3 | 345.77 KB | Reference - 660- and 663-Type Telephone Sets |
| 502-601-121 | 1975-09-01 | 1 | 175.31 KB | Reference - 660A1M Telephone Sets |
| 502-601-130 | 1975-08-01 | 3 | 459.46 KB | Reference - 661-, 662-, and 664-Type Telephone Set |
| 502-601-131 | 1975-08-01 | 1 | 207.88 KB | Reference - 662A1M Telephone Sets |
| 502-602-100 | 1975-12-01 | 2 | 319.70 KB | Reference - 1630-, 1631-, and 1632-Type Telephone Sets |
| 502-602-101 | 1970-09-01 | 1 | 254.79 KB | Reference - 1634-, 1635-, 1636-, 1637-, 1638-, and 1639-Type Telephone Sets |
| 502-602-120 | 1970-08-01 | 1 | 465.54 KB | Reference - 1660- and 1663-Type Telephone Sets |
| 502-602-121 | 1970-08-01 | 1 | 444.86 KB | Reference - 1662- and 1664-Type Telephone Sets |
| 502-603-100 | 1980-10-01 | 5 | 781.42 KB | Reference - 2630-, 2631, and 2632-Type Telephone Sets - Identification |
| 502-603-101 | 1980-09-01 | 8 | 616.41 KB | Reference - 2634-, 2635-, 2636-. 2637-. 2638-, 2639-, 2682-, and 2683-Type Telephone Sets - Identification |
| 502-603-120 | 1975-06-01 | 3 | 1.57 MB | Reference - 2660- and 2663-Type Telephone Sets |
| 502-603-121 | 1978-03-01 | 2 | 1.47 MB | Reference - 2660A1M Telephone Sets |
| 502-603-130 | 1974-02-01 | 2 | 406.95 KB | Reference - 2662- and 2664-Type Telephone Sets |
| 502-603-131 | 1978-01-01 | 2 | 211.75 KB | Reference - 2662A1M Telephone Sets |
| 502-608-400 | 1967-08-01 | 6 | 11.58 MB | Telephone Sets - 608 and 618 Types - Connections |
| 502-610-400 | 1970-05-01 | 1 | 664.59 KB | Service - 608- and 618-Type Telephone Sets |
| 502-610-401 | 1970-06-01 | 1 | 302.87 KB | Service - 609-Type Telephone Sets |
| 502-610-402 | 1970-09-01 | 1 | 523.74 KB | Service - 617-Type Telephone Sets |
| 502-610-403 | 1970-10-01 | 1 | 523.51 KB | Service - 621-Type Telephone Sets |
| 502-610-404 | 1970-09-01 | 1 | 553.67 KB | Service - 622-Type Telephone Sets |
| 502-610-405 | 1970-09-01 | 1 | 242.35 KB | Service - 625A1 Telephone Sets |
| 502-610-406 | 1970-06-01 | 1 | 2.63 MB | Service - 630- and 631-Type Telephone Sets |
| 502-610-406 | 1972-01-01 | 2 | 4.28 MB | Service - 630A, B, C, D, and 631A, B, C, D Telephone Sets |
| 502-610-407 | 1970-06-01 | 1 | 774.00 KB | Service - 630DA and 631DA Type Telephone Sets |
| 502-610-407 | 1975-10-01 | 6 | 3.68 MB | Service - 630DA, 630DAM, 631DA, and 631DAM Telephone Sets |
| 502-610-407 | 1980-05-01 | 8 | 3.75 MB | Service - 630DA, 630DAM, 630DAMS1, 631DA, 631DAM, and 631DAMS1 Telephone Sets - Connections |
| 502-610-408 | 1970-09-01 | 1 | 1.09 MB | Service - 632-Type Telephone Sets |
| 502-610-409 | 1972-04-01 | 2 | 1.27 MB | Service - 634A, B, C, D, and 635A, C, D Telephone Sets |
| 502-610-409 A | 1979-09-01 | 1 | 104.04 KB | Service - 634A, B, C, D, and 635A, C, D Telephone Sets |
| 502-610-410 | 1970-06-01 | 1 | 3.03 MB | Service - 636- and 637-Type Telephone Sets |
| 502-610-410 | 1972-04-01 | 2 | 4.39 MB | Service - 636A, B, C, and 637A, B, C, D Telephone Sets |
| 502-610-411 | 1970-08-01 | 1 | 1.46 MB | Service - 638- and 639-Type Telephone Sets |
| 502-610-412 | 1980-08-01 | 6 | 1.14 MB | Service - 682AA, 682AAM, 682AAMS, 683AA, 683AAM, and 683AAMS Telephone Sets - Connection and Maintenance |
| 502-610-413 | 1979-05-01 | 2 | 507.70 KB | Service - 637EA13 and 637EAM13 Telephone Sets - Connections |
| 502-610-417 | 1974-03-01 | 3 | 2.97 MB | Service - 634DA and 635DA Telephone Sets |
| 502-610-417 | 1977-03-01 | 5 | 3.15 MB | Service - 634DA, 634DAM, 635DA, and 635DAM Telephone Sets - Connections and Maintenance |
| 502-610-417 | 1980-07-01 | 6 | 968.11 KB | Service - 634DA, 634DAM, 634DAMS, 635DA, 635DAM, and 635DAMS Telephone Sets - Connections and Maintenance |
| 502-610-418 | 1975-03-01 | 4 | 2.55 MB | Service - 636CA and 637DA Telephone Sets |
| 502-610-418 | 1976-04-01 | 5 | 3.28 MB | Service - 636CA, 636CAM, 637DA, and 637DAM Telephone Sets |
| 502-610-418 | 1980-07-01 | 6 | 3.21 MB | Service - 636CA, 636CAM, 636CAMS, 637DA, 637DAM, and 637DAMS Telephone Sets - Connections and Maintenance |
| 502-610-418 | 1982-09-01 | 8 | 995.48 KB | Service - 636CA, 636CAM, 636CAMS, 637DA, 637DAM, and 637DAMS Telephone Sets - Connections and Maintenance |
| 502-610-419 | 1980-08-01 | 5 | 967.04 KB | Service - 638CA, 638CAM, 638CAMS, 639DA, 639DAM, and 639DAMS Telephone Sets - Connections and Maintenance |
| 502-611-400 | 1970-09-01 | 1 | 732.23 KB | Service - 1630- and 1631-Type Telephone Sets |
| 502-611-401 | 1970-10-01 | 1 | 548.93 KB | Service - 1632-Type Telephone Sets |
| 502-611-402 | 1970-06-01 | 1 | 1.34 MB | Service - 1634- and 1635-Type Telephone Sets |
| 502-611-403 | 1970-06-01 | 1 | 804.42 KB | Service - 1636- and 1637-Type Telephone Sets |
| 502-611-404 | 1970-08-01 | 1 | 1.21 MB | Service - 1638- and 1639-Type Telephone Sets |
| 502-611-404 A | 1971-04-01 | 1 | 1.11 MB | Service - 1638C and 1639D Telephone Sets |
| 502-612-400 | 1970-05-01 | 1 | 1.10 MB | Service - 2630- and 2631-Type Telephone Sets |
| 502-612-400 | 1972-09-01 | 3 | 2.61 MB | Service - 2630D and 2631D Telephone Sets |
| 502-612-401 | 1975-11-01 | 5 | 3.09 MB | Service - 2630DA, 2630DAM, 2631DA, and 2631DAM Telephone Sets |
| 502-612-401 | 1979-07-01 | 6 | 3.61 MB | Service - 2630DA, 2630DAM, 2631DA, and 2631DAM Telephone Sets - Connections and Maintenance |
| 502-612-401 | 1980-09-01 | 7 | 1.04 MB | Service - 2630- and 2631-Type Telephone Sets - Connections and Maintenance |
| 502-612-402 | 1970-10-01 | 1 | 596.32 KB | Service - 2632-Type Telephone Sets |
| 502-612-403 | 1972-07-01 | 2 | 3.52 MB | Service - 2634D and 2635D Telephone Sets |
| 502-612-404 | 1970-05-01 | 1 | 612.82 KB | Service - 2636- and 2637-Type Telephone Sets |
| 502-612-405 | 1970-08-01 | 1 | 1.15 MB | Service - 2638- and 2639-Type Telephone Sets |
| 502-612-405 A | 1971-04-01 | 1 | 1.25 MB | Service - 2638C and 2639D Telephone Sets |
| 502-612-409 | 1975-10-01 | 4 | 2.87 MB | Service - 2634DA, 2634DAM, 2635DA, and 2635DAM Telephone Sets |
| 502-612-409 | 1977-03-01 | 5 | 3.26 MB | Service - 2634DA, 2634DAM, 2635DA, and 2635DAM Telephone Sets |
| 502-612-409 | 1980-10-01 | 6 | 959.27 KB | Service - 2634- and 2635-Type Telephone Sets - Connections and Maintenance |
| 502-612-410 | 1975-03-01 | 4 | 2.88 MB | Service - 2636CA and 2637DA Telephone Sets |
| 502-612-410 | 1976-04-01 | 5 | 3.05 MB | Service - 2636CA, 2636CAM, 2637DA, and 2637DAM Telephone Sets |
| 502-612-410 | 1982-02-01 | 7 | 1.09 MB | Service - 2636- and 2637-Type Telephone Sets - Connections and Maintenance |
| 502-612-411 | 1980-09-01 | 5 | 972.90 KB | Service - 2638- and 2639-Type Telephone Sets - Connections and Maintenance |
| 502-612-425 | 1980-10-01 | 6 | 1.50 MB | Service - 2682- and 2683-Type Telephone Sets - Connections and Maintenance |
| 502-617-400 | 1970-12-01 | 1 | 553.66 KB | Service - 660-Type Telephone Sets |
| 502-617-400 | 1975-08-01 | 3 | 317.53 KB | Service - 660-Type Telephone Sets |
| 502-617-401 | 1970-12-01 | 1 | 470.55 KB | Service - 661-Type Telephone Sets |
| 502-617-402 | 1970-12-01 | 1 | 1.05 MB | Service - 662-Type Telephone Sets |
| 502-617-402 | 1972-12-01 | 2 | 376.65 KB | Service - 662-Type Telephone Sets |
| 502-617-402 A | 1974-03-01 | 1 | 440.58 KB | Service - 662-Type Telephone Sets |
| 502-617-403 | 1970-12-01 | 1 | 500.09 KB | Service - 663-Type Telephone Sets |
| 502-617-403 | 1971-11-01 | 2 | 141.33 KB | Service - 663-Type Telephone Sets |
| 502-617-404 | 1972-12-01 | 2 | 378.59 KB | Service - 664-Type Telephone Sets |
| 502-617-405 | 1975-08-01 | 1 | 364.15 KB | Service - 660A1M Telephone Sets |
| 502-617-406 | 1975-08-01 | 1 | 293.55 KB | Service - 662A1M Telephone Sets |
| 502-618-400 | 1971-05-01 | 1 | 800.39 KB | Service - 1660-Type Telephone Sets |
| 502-618-402 | 1971-02-01 | 1 | 971.21 KB | Service - 1662-Type Telephone Sets |
| 502-618-403 | 1971-01-01 | 1 | 710.99 KB | Service - 1663-Type Telephone Sets |
| 502-618-404 | 1971-01-01 | 1 | 1.21 MB | Service - 1664-Type Telephone Sets |
| 502-619-400 | 1970-12-01 | 1 | 1.24 MB | Service - 2660-Type Telephone Sets |
| 502-619-400 | 1975-09-01 | 2 | 420.15 KB | Service - 2660-Type Telephone Sets |
| 502-619-400 Hdbk | 1975-09-01 | 2 | 458.59 KB | Service - 2660-Type Telephone Sets |
| 502-619-402 | 1970-12-01 | 1 | 1.15 MB | Service - 2662-Type Telephone Sets |
| 502-619-402 | 1973-05-01 | 2 | 396.74 KB | Service - 2662-Type Telephone Sets |
| 502-619-403 | 1971-01-01 | 1 | 117.90 KB | Service - 2663A1 Telephone Sets |
| 502-619-404 | 1973-05-01 | 2 | 452.29 KB | Service - 2664-Type Telephone Sets |
| 502-619-405 | 1978-04-01 | 2 | 106.27 KB | Service - 2660A1M Telephone Sets |
| 502-619-406 | 1978-04-01 | 2 | 280.14 KB | Service - 2662A1M Telephone Sets |
| 502-623-100 | 1964-09-01 | 1 | 630.36 KB | Telephone Sets - 623A3 and 1623A3 - Connections (Restricted Distribution) |
| 502-625-100 | 1964-05-01 | 1 | 1.09 MB | Telephone Sets - 625A1-51 |
| 502-630-100 | 1964-10-01 | 1 | 3.53 MB | Telephone Sets - 630 and 1630 Series - Identification and Assembly of Parts |
| 502-630-111 | 1967-08-01 | 1 | 2.20 MB | Telephone Sets - 1630, 1631, and 1632 Types - Identification |
| 502-630-401 | 1964-03-01 | 5R | 16.01 MB | Telephone Sets - 630, 631, 1630, and 1631 Types - Connections |
| 502-630-402 | 1964-03-01 | 3 | 2.72 MB | Telephone Sets - 632 and 1632 Types - Connections |
| 502-634-101 | 1967-01-01 | 4 | 6.23 MB | Telephone Sets - 634, 635, 1634, and 1635 Types - Identification |
| 502-634-401 | 1967-01-01 | 7 | 17.88 MB | Telephone Sets - 634, 635, 1634, and 1635 Types - Connections |
| 502-636-402 | 1964-03-01 | 4 | 2.74 MB | Telephone Sets - 638, 639, 1638, and 1639 Types - Connections |
| 502-650-100 | 1966-05-01 | 2 | 1.65 MB | Telephone Set - 1671A-Type - Call-a-matic - Identification, Installation, Operation, Maintenance, and Connections |
| 502-650-100 A | 1973-01-01 | 1 | 1.60 MB | Telephone Set - 1671A-Type - Call-a-matic - Identification, Installation, Operation, Maintenance, and Connections |
| 502-660-101 | 1967-05-01 | 1 | 508.10 KB | Telephone Sets - 660 and 663 Types - Identification, Installation, and Maintenance |
| 502-660-120 | 1964-08-01 | 3 | 4.09 MB | Telephone Sets - 660, 663, 1660, and 1663 Types |
| 502-660-120 | 1965-09-01 | 4 | 1.55 MB | Telephone Sets - 660-, 663-, 1660-, and 1663-Types - Identification, Installation, Maintenance, and Connections |
| 502-660-121 | 1969-07-01 | 2 | 333.12 KB | Telephone Sets - 2660 and 2663 Types - Identification, Installation, and Maintenance |
| 502-660-420 | 1967-01-01 | 1 | 6.58 MB | Telephone Sets - 2660-Type - Connections |
| 502-660-423 | 1967-01-01 | 1 | 2.73 MB | Telephone Sets - 2663A-Type - Connections |
| 502-660-424 | 1967-01-01 | 1 | 4.40 MB | Telephone Sets - 2664-Type - Connections |
| 502-690-100 | 1970-10-01 | 1 | 480.31 KB | Telephone Sets - F-58554 |
| 502-690-101 | 1970-10-01 | 1 | 544.97 KB | Telephone Sets - F-58555 - Identification, Installation, Connections, and Maintenance |
| 502-700-102 | 1971-12-01 | 1 | 1.11 MB | 750, 1750, and 2750 Series Telephone Sets - Common Installation and Maintenance Information |
| 502-701-100 | 1970-02-01 | 1 | 4.46 MB | Reference - 701B and 702B Telephone Sets |
| 502-701-100 | 1973-07-01 | 3 | 3.85 MB | Reference - 701B and 702B Telephone Sets |
| 502-701-100 | 1975-09-01 | 5 | 4.43 MB | Reference - 701B, 702B, and 702BM Telephone Sets |
| 502-701-100 | 1983-09-01 | 9 | 3.03 MB | Reference - 702B and 702BM Telephone Sets - Identification, Installation, Connections, and Maintenance |
| 502-701-101 | 1970-02-01 | 1 | 916.33 KB | Reference - 712B Telephone Sets |
| 502-701-101 | 1977-04-01 | 3 | 4.19 MB | Reference - 712B and 712BM Telephone Sets |
| 502-701-101 A | 1982-08-01 | 1 | 1.29 MB | Reference - 712B and 712BM Telephone Sets |
| 502-701-103 | 1970-03-01 | 1 | 3.32 MB | Reference - 701D, 702D, 711B, and 713B Telephone Sets |
| 502-701-103 | 1981-11-01 | 5 | 1.96 MB | Reference - 701D, 702D, 711B, 713B, and 713BM Telephone Sets - Identification, Installation, Maintenance, and Connections |
| 502-701-103 A | 1982-08-01 | 1 | 26.92 KB | Reference - 701D, 702D, 711B, 713B, and 713BM Telephone Sets - Identification, Installation, Maintenance, and Connections |
| 502-702-100 | 1970-03-01 | 1 | 870.59 KB | Reference - 1702B Telephone Sets |
| 502-702-101 | 1970-02-01 | 1 | 2.05 MB | Reference - 1712B Telephone Sets |
| 502-702-103 | 1970-03-01 | 1 | 3.99 MB | Reference - 1702 and 1713B Telephone Sets |
| 502-703-100 | 1970-04-01 | 1 | 2.12 MB | Reference - 2702B Telephone Sets |
| 502-703-100 | 1973-07-01 | 3 | 1.56 MB | Reference - 2702B Telephone Sets |
| 502-703-100 | 1975-02-01 | 4 | 2.24 MB | Reference - 2702B and 2702BM Telephone Sets |
| 502-703-100 | 1982-10-01 | 8 | 9.26 MB | Reference - 2702B, 2702BM, and 2702BMG Telephone Sets - Identification, Installation, Maintenance, and Connections |
| 502-703-100 A | 1983-06-01 | 1 | 104.21 KB | Reference - 2702B, 2702BM, and 2702BMG Telephone Sets - Identification, Installation, Maintenance, and Connections |
| 502-703-101 | 1970-02-01 | 1 | 1.80 MB | Reference - 2712B Telephone Sets |
| 502-703-101 | 1977-10-01 | 5 | 5.26 MB | Reference - 2712B and 2712BM Telephone Sets |
| 502-703-103 | 1970-03-01 | 1 | 3.38 MB | Reference - 2702D and 2713B Telephone Sets |
| 502-703-103 | 1978-09-01 | 4 | 6.57 MB | Reference - 2702D, 2702DM, 2713B, and 2713BM Telephone Sets |
| 502-703-103 | 1981-11-01 | 5 | 7.62 MB | Reference - 2702D, 2702DM, 2713B, and 2713BM Telephone Sets - Identification, Installation, Maintenance, and Connections |
| 502-705-100 | 1970-03-01 | 1 | 3.75 MB | Reference - 750-Type Telephone Sets |
| 502-705-100 | 1971-08-01 | 2 | 1.79 MB | Reference - 750-Type Telephone Sets |
| 502-705-100 | 1978-05-01 | 4 | 3.65 MB | Reference - 750-Type Telephone Sets |
| 502-705-101 | 1970-03-01 | 1 | 2.69 MB | Reference - 751-Type Telephone Sets |
| 502-705-102 | 1972-03-01 | 2 | 413.10 KB | Reference - 752- and 754-Type Telephone Sets |
| 502-705-103 | 1970-03-01 | 1 | 1.81 MB | Reference - 753-Type Telephone Sets |
| 502-706-100 | 1970-03-01 | 1 | 1.96 MB | Reference - 1750-Type Telephone Sets |
| 502-706-101 | 1970-03-01 | 1 | 2.63 MB | Reference - 1751-Type Telephone Sets |
| 502-706-102 | 1970-06-01 | 1 | 567.23 KB | Reference - 1752-Type Telephone Sets |
| 502-706-103 | 1970-03-01 | 1 | 2.21 MB | Reference - 1753-Type Telephone Sets |
| 502-707-100 | 1970-03-01 | 1 | 1.88 MB | Reference - 2750-Type Telephone Sets |
| 502-707-100 | 1981-03-01 | 4 | 3.92 MB | Reference - 2750-Type Telephone Sets - Identification, Installation, Maintenance, and Connections |
| 502-707-100 | 1982-09-01 | 5 | 4.73 MB | Reference - 2750-Type Telephone Sets - Identification, Installation, Maintenance, and Connections |
| 502-707-101 | 1970-03-01 | 1 | 2.41 MB | Reference - 2751-Type Telephone Sets |
| 502-707-101 | 1981-03-01 | 3 | 5.31 MB | Reference - 2751-Type Telephone Sets - Identification, Installation, Maintenance, and Connections |
| 502-707-102 | 1981-01-01 | 4 | 1.85 MB | Reference - 2752- and 2754-Type Telephone Sets - Identification |
| 502-707-103 | 1970-03-01 | 1 | 1.72 MB | Reference - 2753-Type Telephone Sets |
| 502-710-101 | 1966-09-01 | 1 | 1.49 MB | Telephone Sets - 701, 702, 711, 712, and 713 Types - Identification, Installation, and Maintenance |
| 502-710-101CA | 1970-02-01 | A | 1.22 MB | Telephone Sets - 701, 702, and 711 Types - Identification, Installation, and Maintenance |
| 502-710-103 | 1968-01-01 | 1 | 687.35 KB | Telephone Sets - 2702, 2712, and 2713 Types - Identification, Installation, and Maintenance |
| 502-710-200 | 1963-01-01 | 3 | 2.04 MB | Telephone Sets - 701, 702, and 711 Types - Installation |
| 502-710-400 | 1964-04-01 | 5 | 332.41 KB | Telephone Sets - 701B - Connections |
| 502-710-400 | 1969-01-01 | 6 | 597.39 KB | Telephone Sets - 701B - Connections |
| 502-710-400CA | 1970-07-01 | F | 345.55 KB | Telephone Sets - 701B - Connections |
| 502-710-401 | 1962-09-01 | 2 | 63.27 KB | Telephone Sets - 701D - Connections |
| 502-710-401CA | 1964-11-01 | A | 47.29 KB | Telephone Sets - 701D - Connections |
| 502-710-403 | 1968-02-01 | 7 | 298.76 KB | Telephone Sets - 702B - Connections |
| 502-710-403 | 1968-02-01 | 7C | 176.53 KB | Telephone Sets - 702B - Connections |
| 502-710-403CA | 1970-02-01 | C | 281.65 KB | Telephone Set 702BQ1A - Connections |
| 502-710-405 | 1968-06-01 | 3 | 89.12 KB | Telephone Sets - 702D - Connections |
| 502-710-410 | 1967-09-01 | 3 | 189.92 KB | Telephone Sets - 711B - Connections |
| 502-710-410 | 1967-09-01 | 3C | 203.19 KB | Telephone Sets - 711B - Connections |
| 502-710-415 | 1967-10-01 | 3 | 386.51 KB | Telephone Sets - 712B - Connections |
| 502-710-415 | 1967-10-01 | 3C | 194.02 KB | Telephone Sets - 712B - Connections |
| 502-710-433 | 1968-06-01 | 5 | 406.09 KB | Telephone Sets - 1702B-Type - Connections |
| 502-710-433 | 1968-06-01 | 5C | 194.51 KB | Telephone Sets - 1702B-Type - Connections |
| 502-710-433 A | 1968-09-01 | 1 | 64.25 KB | Telephone Sets - 1702B-Type - Connections |
| 502-710-438 | 1967-10-01 | 4 | 207.00 KB | Telephone Sets - 1712B - Connections |
| 502-710-440 | 1968-05-01 | 2 | 433.32 KB | Telephone Sets - 2702-Type - Connections |
| 502-721-401 | 1971-10-01 | 3 | 233.43 KB | Service - 701B Telephone Sets |
| 502-721-402 | 1971-01-01 | 3 | 437.46 KB | Service - 702B Telephone Sets |
| 502-721-402 | 1978-06-01 | 6 | 251.04 KB | Service - 702B and 702BM Telephone Sets |
| 502-721-402 | 1981-10-01 | 7 | 493.25 KB | Service - 702B and 702BM Telephone Sets - Connections |
| 502-722-401 | 1971-01-01 | 2 | 677.56 KB | Service - 1702B Telephone Sets |
| 502-722-401 | 1974-12-01 | 3 | 341.28 KB | Service - 1702B Telephone Sets |
| 502-723-401 | 1973-06-01 | 4 | 723.40 KB | Service - 2702B Telephone Sets |
| 502-723-401 | 1978-05-01 | 7 | 337.25 KB | Service - 2702B and 2702BM Telephone Sets |
| 502-723-401 | 1980-08-01 | 8 | 1.21 MB | Service - 2702B, 2702BM, and 2702BMG Telephone Sets - Connections |
| 502-723-401 | 1981-10-01 | 9 | 724.42 KB | Service - 2702B, 2702BM, and 2702BMG Telephone Sets - Connections |
| 502-723-401 | 1983-07-01 | 10 | 1.18 MB | Service - 2702B, 2702BM, and 2702BMG Telephone Sets - Connections |
| 502-723-401 A | 1982-06-01 | 1 | 78.22 KB | Service - 2702B, 2702BM, and 2702BMG Telephone Sets - Connections |
| 502-724-401 | 1971-01-01 | 2 | 766.16 KB | Service - 712B Telephone Sets |
| 502-724-401 | 1977-03-01 | 4 | 599.12 KB | Service - 712B and 712BM Telephone Sets |
| 502-725-401 | 1971-01-01 | 2 | 249.81 KB | Service - 1712B Telephone Sets |
| 502-726-401 | 1972-12-01 | 3 | 521.46 KB | Service - 2712B Telephone Sets |
| 502-726-401 | 1977-05-01 | 5 | 256.65 KB | Service - 2712B and 2712BM Telephone Sets |
| 502-727-401 | 1970-01-01 | 1 | 75.06 KB | Service - 701D Telephone Sets |
| 502-727-401 | 1971-02-01 | 2 | 284.05 KB | Service - 701D Telephone Sets |
| 502-727-402 | 1975-10-01 | 6 | 358.71 KB | Service - 702D and 702DM Telephone Sets |
| 502-727-402 | 1978-06-01 | 7 | 705.59 KB | Service - 702D Telephone Sets |
| 502-727-403 | 1971-01-01 | 2 | 110.14 KB | Service - 711B Telephone Sets |
| 502-727-404 | 1978-10-01 | 5 | 307.62 KB | Service - 713B and 713BM Telephone Sets |
| 502-727-404 | 1981-09-01 | 6 | 2.61 MB | Service - 713B and 713BM Telephone Sets - Connections |
| 502-728-401 | 1970-01-01 | 1 | 250.59 KB | Service - 1702D Telephone Sets |
| 502-728-401 | 1974-11-01 | 4 | 1.10 MB | Service - 1702D Telephone Sets |
| 502-728-402 | 1970-01-01 | 1 | 237.96 KB | Service - 1713B Telephone Sets |
| 502-728-402 | 1971-02-01 | 2 | 237.48 KB | Service - 1713B Telephone Sets |
| 502-729-401 | 1969-12-01 | 1 | 125.11 KB | Service - 2702D Telephone Sets |
| 502-729-401 | 1979-03-01 | 6 | 957.67 KB | Service - 2702D and 2702DM Telephone Sets |
| 502-729-402 | 1970-01-01 | 1 | 130.23 KB | Service - 2713B Telephone Sets |
| 502-729-402 | 1979-07-01 | 5 | 1.04 MB | Service - 2713B and 2713BM Telephone Sets |
| 502-729-402 | 1981-11-01 | 6 | 859.45 KB | Service - 2713B and 2713BM Telephone Sets - Connections |
| 502-730-401 | 1971-01-01 | 2 | 1.41 MB | Service - 750AA and B Telephone Sets |
| 502-730-401 | 1978-05-01 | 5 | 468.80 KB | Service - 750-Type Telephone Set |
| 502-731-401 | 1971-02-01 | 2 | 242.60 KB | Service - 1750A/B Telephone Sets |
| 502-732-401 | 1971-01-01 | 2 | 721.96 KB | Service - 2750A and B Telephone Sets |
| 502-732-401 | 1978-05-01 | 5 | 288.86 KB | Service - 2750A/B and 2750AM/BM Telephone Sets |
| 502-732-401 | 1982-09-01 | 7 | 2.15 MB | Service - 2750A, 2750B, 2750AM, 2750BM, 2750AMG, and 2750BMG Telephone Sets - Connections |
| 502-733-401 | 1971-02-01 | 2 | 624.67 KB | Service - 751-Type Telephone Sets |
| 502-733-401 | 1978-10-01 | 3 | 227.96 KB | Service - 751-Type Telephone Sets |
| 502-734-401 | 1971-02-01 | 2 | 333.64 KB | Service - 1751C and D Telephone Sets |
| 502-735-401 | 1978-10-01 | 3 | 154.55 KB | Service - 2751C and D Telephone Sets |
| 502-735-401 | 1981-02-01 | 4 | 1.34 MB | Service - 2751-Type Telephone Sets - Connections |
| 502-736-401 | 1970-04-01 | 1 | 856.69 KB | Service - 752-Type Telephone Sets |
| 502-736-401 | 1973-04-01 | 2 | 2.14 MB | Service - 752-Type Telephone Sets |
| 502-736-402 | 1970-03-01 | 1 | 844.21 KB | Service - 754-Type Telephone Sets |
| 502-736-402 | 1973-04-01 | 2 | 2.04 MB | Service - 754-Type Telephone Sets |
| 502-737-401 | 1970-05-01 | 1 | 901.86 KB | Service - 1752-Type Telephone Sets |
| 502-737-401 A | 1973-01-01 | 1 | 1.48 MB | Service - 1752-Type Telephone Sets |
| 502-738-401 | 1970-06-01 | 1 | 897.00 KB | Service - 2752-Type Telephone Sets |
| 502-738-401 | 1980-11-01 | 4 | 2.73 MB | Service - 2752-Type Telephone Sets - Maintenance and Connections |
| 502-738-402 | 1970-06-01 | 1 | 833.50 KB | Service - 2754-Type Telephone Sets |
| 502-738-402 | 1980-11-01 | 4 | 1.99 MB | Service - 2754-Type Telephone Sets - Maintenance and Connections |
| 502-739-401 | 1971-02-01 | 2 | 146.67 KB | Service - 753A and B Telephone Sets |
| 502-740-401 | 1970-01-01 | 1 | 260.42 KB | Service - 1753 Telephone Sets |
| 502-740-401 | 1971-02-01 | 2 | 565.46 KB | Service - 1753A and B Telephone Sets |
| 502-741-401 | 1971-02-01 | 2 | 126.39 KB | Service - 2753A and B Telephone Sets |
| 502-750-100 | 1967-12-01 | 5 | 1.77 MB | Telephone Sets - 750, 751, 1750, 1751, 2750, and 2751 Types - Identification, Installation, and Maintenance |
| 502-750-100 A | 1968-04-01 | 1 | 26.07 KB | Telephone Sets - 750, 751, 1750, 1751, 2750, and 2751 Types - Identification, Installation, and Maintenance |
| 502-750-102 | 1968-10-01 | 3 | 1.19 MB | Telephone Sets - 752, 1752, and 2752 Types - Identification, Installation, and Maintenance |
| 502-750-105 | 1978-08-01 | 3 | 385.81 KB | Reference - 755A and 755AM Telephone Sets |
| 502-750-400 | 1962-10-01 | 2 | 919.49 KB | Telephone Sets - 750A- and 750B-Types - Connections |
| 502-750-400 | 1966-07-01 | 4 | 181.90 KB | Telephone Sets - 750A and 750B - Connections |
| 502-750-400 | 1968-09-01 | 5 | 495.34 KB | Telephone Sets - 750A and 750B - Connections |
| 502-750-401 | 1963-01-01 | 1 | 181.62 KB | Telephone Sets - 751A and 751B - Connections |
| 502-750-401 | 1967-12-01 | 4 | 368.52 KB | Telephone Sets - 751-Type - Connections |
| 502-750-405 | 1978-08-01 | 3 | 1.47 MB | Service - 755A and 755AM Telephone Sets |
| 502-750-420 | 1964-06-01 | 2 | 863.67 KB | Telephone Sets - 1750 Type - Connections |
| 502-750-420 | 1967-10-01 | 4 | 262.15 KB | Telephone Sets - 1750-Type - Connections |
| 502-750-420 | 1967-10-01 | 4C | 223.27 KB | Telephone Sets - 1750-Type - Connections |
| 502-750-420 A | 1968-04-01 | 1 | 23.37 KB | Telephone Sets - 1750-Type - Connections |
| 502-750-421 | 1968-03-01 | 4 | 120.49 KB | Telephone Sets - 1751-Type - Connections |