| Section
| Date
| Issue
| Size
| Title
|
| 215-000-000 | 1972-10-01 | 40 | 318.08 KB | Numerical Index - Division 215 - Panel Offices |
| 215-000-000 | 1983-02-01 | 52 | 5.37 MB | Numerical Index - Division 215 - Panel Offices |
| 215-001-010 | 1967-11-01 | 1 | 64.04 MB | Panel Switching System - Controlled Maintenance Plan |
| 215-010-301 | 1930-09-01 | 1 | 1.93 MB | Procedure in Case of Subscriber Cable Failure - Panel Offices |
| 215-101-501 | 1959-07-01 | 2 | 2.50 MB | Line Load Control - Tests - Panel Offices |
| 215-102-301 | 1962-11-01 | 2 | 524.45 KB | Associating Overflow Register Circuits with Subscriber Lines - Panel Offices |
| 215-102-302 | 1961-02-01 | 4 | 1.04 MB | Methods of Denying and Restoring Service on Customer Lines - Panel Offices |
| 215-102-501 | 1965-09-01 | 4 | 3.99 MB | Line Message Register and ANI-Type B Line Verification Tests - Line Finder Panel Offices |
| 215-103-501 | 1962-11-01 | 2 | 577.60 KB | Line Circuit - Terminating Service Only For Use with Dial Selected PBX Trunks - Tests - Panel Offices |
| 215-104-301 | 1962-11-01 | 3 | 12.11 MB | Associating Vacant Final Terminals with Intercepting Trunks - Panel Offices |
| 215-105-501 | 1937-03-01 | 2 | 1.69 MB | Line Finder - Tests - Panel Offices |
| 215-105-503 | 1945-01-01 | 3 | 577.13 KB | Line Finder Trip Circuit Relays - Contract Protection - Tests - Panel Offices |
| 215-107-301 | 1933-11-01 | 2 | 2.57 MB | Graded Multiple Cross-Connections - Trunk, District or Main Distributing Frame - Panel Offices |
| 215-108-501 | 1962-11-01 | 5 | 2.20 MB | Dialing and Key Pulsing District and Incoming Selectors - Dialing and Key Pulsing Trunks from Panel Switchboards - Tests - Panel Offices |
| 215-120-301 | 1970-08-01 | 7 | 7.27 MB | Incoming Selector Test Frame - Cross Connections - Panel Offices |
| 215-120-501 | 1962-11-01 | 4 | 884.07 KB | Trunk Circuits from District or Office Multiple - Tests Using Automatic Incoming Test Circuits - Panel Offices |
| 215-121-501 | 1934-04-01 | 1 | 691.54 KB | Trip Relays - Tests - Panel Offices |
| 215-125-301 | 1954-10-01 | 1 | 641.57 KB | Method of Handling Overstepping of Final Selectors Caused by High Terminating Traffic - Panel Offices |
| 215-127-501 | 1937-08-01 | 1 | 2.67 MB | Incoming and Final Selector Circuits - Test of Traffic Registers - Panel Offices |
| 215-130-301 | 1953-04-01 | 2 | 1.35 MB | Stuck Senders - Method of Tracing - Panel Offices |
| 215-130-302 | 1964-06-01 | 2 | 384.15 KB | Subscriber Sender and Auxiliary Sender - Group Busy Alarm - Method of Handling - Panel Offices |
| 215-132-502 | 1966-07-01 | 8 | 36.33 MB | Subscriber, Auxiliary, and Keypulsing "A" Senders - Tests Using Sender Test Circuits SD-21186-01, SD-21026-01, and SD-21026-02 - Panel Offices |
| 215-133-501 | 1971-12-01 | 4 | 1020.73 KB | Auxiliary Sender Link - Miscellaneous Test - Panel Offices |
| 215-140-101 | 1930-03-01 | 1 | 1.43 MB | Decoder Test Frame - Description - Panel Offices |
| 215-141-101 | 1930-03-01 | 1 | 4.19 MB | Decoder Equipment - Description - Panel Offices |
| 215-141-301 | 1967-06-01 | 9 | 1.93 MB | Decoder Cross-Connections - Panel Offices |
| 215-141-301 | 1972-07-01 | 10 | 5.61 MB | Decoder Cross-Connections - Panel Offices |
| 215-141-305 | 1930-05-01 | 2 | 170.38 KB | Decoder Equipment - Method of Taking Out of Service - Panel Offices |
| 215-141-501 | 1964-08-01 | 6 | 418.68 KB | Decoders - Tests Using Automatic Testing Circuit SD-21188-01 - Panel Offices |
| 215-143-502 | 1930-04-01 | 2 | 425.38 KB | Decoder Connections - Tests - Panel Offices |
| 215-145-101 | 1930-03-01 | 1 | 1.98 MB | Trouble Indicator Frame - Description - Panel Offices |
| 215-145-301 | 1955-03-01 | 3 | 2.79 MB | Trouble Indicator Frame - Alarm Routine - Panel Offices |
| 215-145-501 | 1961-11-01 | 3 | 8.84 MB | Decoder Trouble Indicator - Tests - Panel Offices |
| 215-153-501 | 1965-03-01 | 2 | 4.11 MB | Recording-Completing Trunks - Tests Using Test Set SD-21475-01 or SD-90470-01 - Panel Offices |
| 215-153-502 | 1927-02-01 | 1 | 1.81 MB | Recording Trunks to Toll Offices - Tests - Panel Offices |
| 215-154-301 | 1935-11-01 | 1 | 3.98 MB | Special Service Trunks - Method of Handling Steady Signals - Panel Offices |
| 215-155-301 | 1960-07-01 | 4 | 9.42 MB | Method of Handling Permanent Signals on Permanent Signal Holding Trunks with or without Automatic Number Identification - Panel Offices |
| 215-160-502 | 1962-11-01 | 2 | 1.84 MB | Incoming Selector and Incoming Trunk Circuits From Toll Switchboards - Coin Control Tests - Panel Offices |
| 215-161-501 | 1964-11-01 | 3 | 843.83 KB | Continuity and Polarity Test of Outgoing Trunks at Outgoing Trunk Test Frame Using Test Circuit SD-96370-01 - Panel Offices |
| 215-171-301 | 1966-05-01 | 1R2 | 33.11 MB | Selector Circuits - Unguarded Interval Analysis - Panel Offices |
| 215-173-501 | 1935-03-01 | 2 | 8.51 MB | Call-Through Tests - Panel Offices |
| 215-174-501 | 1968-08-01 | 5 | 3.75 MB | District and Incoming Selector Circuit - Transmission Tests - Panel Offices |
| 215-175-101 | 1953-04-01 | 1 | 5.45 MB | 30A Level Distribution Register - Description - Panel Offices |
| 215-175-301 | 1949-09-01 | 1 | 5.63 MB | Contact Noise Measurements - Summary and Analysis - Panel Offices |
| 215-175-301 A | 1966-02-01 | 1 | 1.11 MB | Contact Noise Measurements - Summary and Analysis - Panel Offices |
| 215-175-501 | 1963-04-01 | 3 | 13.90 MB | Contact Noise Measurements with 30A Level Distribution Register - Panel Offices |
| 215-175-501PN A | 1965-02-01 | A | 4.91 MB | Contact Noise Measurements |
| 215-179-301 | 1928-07-01 | 1 | 2.32 MB | Traffic Register Routine - Panel Offices |
| 215-179-503 | 1962-11-01 | 2 | 5.22 MB | Traffic Registers - DSA Switchboards - Tests - Panel Offices |
| 215-181-501 | 1962-04-01 | 1 | 5.73 MB | Recorder Circuit for Use with Automatic Test Circuits - Operating Methods - Panel Offices |
| 215-183-501 | 1963-12-01 | 4 | 3.52 MB | Fuse Alarms - Tests - Panel Offices |
| 215-188-301 | 1962-11-01 | 2 | 1.66 MB | Dial Tone Speed Register Circuit and Dial Tone Speed Indicating Circuit - Alarm Routine - Panel Offices |
| 215-188-501 | 1965-01-01 | 6 | 10.90 MB | Dial Tone Speed Register and Dial Tone Speed Indicating Circuits - Tests - Panel Offices |
| 215-203-506 A | 1972-10-01 | 1 | 1.03 MB | District Coin Control Circuits - Tests - Link Type Panel Offices |
| 215-233-101 | 1929-10-01 | 1 | 12.64 MB | Sender Monitor Circuits and Sender Make-Busy Frame - Description - Panel Offices |
| 215-233-301 | 1935-11-01 | 2 | 1.49 MB | Sender Monitor Position - Non-Coin - Method of Operation - Link Type Panel Offices |
| 215-233-302 | 1935-11-01 | 2 | 420.53 KB | Sender Monitor Position - Coin - Method of Operation - Link Type Panel Offices |
| 215-259-904PT | 1963-01-01 | A | 342.81 KB | Final Selector Test Frame SD-20043-011 - Tests - Battery Cutoff Panel Offices |
| 215-259-905PT | 1963-01-01 | A | 251.12 KB | Final Selector Test Frame ES-20149-011 - Tests - Ground Cutoff Panel Offices |
| 215-259-906PT | 1963-01-01 | A | 389.44 KB | Subscriber Sender Test Frame SD-21026-011 - Tests - Panel Offices |
| 215-302-502 | 1933-01-01 | 2 | 335.61 KB | Subscriber Lines Having Ground on Cutoff Relays - Voltmeter and Insulation Breakdown Tests Using Test Set Per SD-21623-011 or ES-239832 - Line Finder Equipment - Panel Office |
| 215-302-503 | 1962-11-01 | 4 | 5.77 MB | Line and Cutoff Relays - Subscriber Lines Having Ground on Cutoff Relays - Tests Using Test Set Per SD-21623-011 or ES-239832 - Line Finder Equipment - Panel Office |
| 215-304-501 | 1962-11-01 | 2 | 12.23 MB | Line Finder and District Selector Circuits - Sender Selector Type - Tests Using Automatic Test Circuit SD-21438-01 or ES-239515 - Panel Offices |
| 215-305-501 | 1927-01-01 | 1 | 245.03 KB | Line Finder-District Sender Selectors - Hunting Test - Panel Offices |
| 215-311-501 | 1935-05-01 | 2 | 6.01 MB | Local Office Selector Circuits - Tests Using Test Set ES-20150-01 or ES-239844 - Ground Cutoff Relay Panel Offices |
| 215-320-501 | 1962-11-01 | 3 | 7.47 MB | Incoming Selector Circuits From Panel Local, Office Tandem and Panel Sender Tandem Offices - Manual Brush Continuity Test Using Test Set ES-20150-01 or ES-239844 - Ground Cutoff Relay Panel Offices |
| 215-320-502 | 1962-11-01 | 3 | 11.94 MB | Incoming Selector Circuits From Panel Local, Office Tandem and Panel Sender Tandem Offices - Manual Test Using Test Set ES-20150-01 or ES-239844 - Ground Cutoff Relay Panel Offices |
| 215-331-501 | 1966-08-01 | 3 | 9.06 MB | Final Selector Circuits - Automatic Tests Using Final Selector Test Circuits - Ground Cutoff Relay Panel Offices |
| 215-331-502 | 1965-02-01 | 3 | 569.91 KB | Final Selector Circuit Test Using Test Set ES-20150-01 or ES-239844 - Ground Cutoff Relay Panel Offices |
| 215-341-501 | 1927-01-01 | 1 | 231.17 KB | Non-Coin Subscriber Senders - Sender Selector Type - Test of Sender Signals - Panel Offices |
| 215-351-501 | 1972-08-01 | 2 | 5.84 MB | Trunk Finders and Outgoing Trunk Circuits for Intercepting and Verification Request Service - Tests - Ground Cutoff Relay Panel Offices |
| 215-521-101 | 1935-05-01 | 2 | 8.12 MB | Incoming and Final Selector Test Set SD-20050-01 - Description - Battery Cutoff Relay Panel Offices |
| 215-522-501 | 1966-02-01 | 5 | 8.47 MB | Incoming Selector Circuits From Panel Local, Office Tandem, and Panel Sender Tandem Offices - Manual Test Using Test Set SD-20050-01 - Battery Cutoff Relay Panel Offices |
| 215-532-502 | 1934-10-01 | 3 | 10.36 MB | Final Selector Circuits - Tests Using Test Set SD-20050-01 - Battery Cutoff Relay Panel Offices |
| 215-551-501 | 1972-09-01 | 3 | 3.01 MB | Trunk Finders and Outgoing Trunk Circuits for Intercepting and Verification Request Service - Test - Battery Cutoff Relay Panel Offices |
| 215-606-501 | 1970-08-01 | 5 | 8.82 MB | Outpulser Connector Circuit - Tests - Panel Offices - Arranged for ANI-Type B |
| 215-721-501 | 1972-09-01 | 6 | 2.22 MB | Outgoing Trunk Operational Tests Using Outgoing Trunk Test Frame or Testboard - Panel and Panel Tandem Offices |
| 215-722-501 | 1972-05-01 | 2 | 30.91 MB | Trunk Transmission Tests - Panel and Panel Tandem Offices Provided with Outgoing Trunk Test Frame or Testboard |