| Section
| Date
| Issue
| Size
| Title
|
| 660-000-000 | 1982-02-01 | 25 | 1.04 MB | Numerical Index - Division 660 - Test Center Operation |
| 660-000-000 | 1982-11-01 | 32 | 629.69 KB | Numerical Index - Division 660 - Test Center Operation |
| 660-000-000 | 1972-10-01 | 40 | 406.47 KB | Numerical Index - Division 660 - Test Center Operation |
| 660-000-000 | 1985-08-01 | 59 | 492.45 KB | Numerical Index - Division 660 - Test Center Operation |
| 660-000-000PT X1 | 1982-12-01 | X | 237.90 KB | Pacific Tel. - Numerical Index - Division 660 - Test Center Operation |
| 660-000-000PN A | 1980-11-01 | B | 208.21 KB | Pacific Northwest Bell - Numerical Index - Division 660 - Test Center Operation |
| 660-000-000SW A | 1975-11-01 | L | 178.82 KB | Numerical Index - Division 660 - Test Center Operation |
| 660-000-005 | 1966-12-01 | 1 | 746.71 KB | Alphabetical Index - Test Center Operation - Divisions 660 Through 669 |
| 660-000-010 | 1953-10-01 | 2 | 41.79 KB | The Plant Service Center Employee's Part in the Telephone Business |
| 660-001-011SW A | 1972-01-01 | A | 39.51 KB | Toll Type Equipment Test List - Test Center Operation |
| 660-002-010 | 1966-10-01 | 3 | 288.67 KB | 904-Type Data Test Centers Maintenance Directory |
| 660-003-010 | 1971-10-01 | 3 | 371.31 KB | Cable Trouble Analysis Plan - Introduction and Definition |
| 660-003-010SW A | 1972-04-01 | F | 154.68 KB | Cable Trouble Analysis Plan - Introduction and Definition |
| 660-003-011 | 1971-10-01 | 3 | 561.87 KB | Cable Trouble Analysis Plan - Cable Trouble Code Card Form E-3628A |
| 660-003-012 | 1971-10-01 | 3 | 677.99 KB | Cable Trouble Analysis Plan - Cable Trouble Ticket Form E-5039 - Cable Trouble Summary Form E-3626A |
| 660-003-012SW A | 1979-12-01 | A | 31.90 KB | Cable Trouble Analysis Plan - Cable Trouble Ticket Form E-5039 - Cable Trouble Summary Form E-3626A |
| 660-003-012SW A | 1968-03-01 | B | 78.77 KB | Cable Trouble Analysis Plan - Cable Trouble Ticket Form E-5039 - Cable Trouble Summary Form E-3626A |
| 660-003-013 | 1971-10-01 | 3 | 409.63 KB | Cable Trouble Analysis Plan - Cable Trouble Analysis - Summary of Trouble Data Form E-5408 - Subgroup Codes Form E-5040, Detail Codes Form E-5119 |
| 660-005-011 | 1972-04-01 | 1 | 447.34 KB | Office Responsibilities - Special Services |
| 660-095-900SW | 1967-03-01 | A | 763.08 KB | Counting, Classifying, and Summarizing Troubles in Toll Open Wire (Using Detailed Trouble Classifications) |
| 660-095-901SW | 1967-03-01 | A | 397.37 KB | Analysis of Toll Open Wire Troubles By Detailed Trouble Cause |
| 660-095-915PT | 1980-11-01 | D | 564.00 KB | Long-Haul Microwave Radio Relay - Control Office Responsibilities |
| 660-095-916PT | 1971-05-01 | B | 278.22 KB | Long-Haul Microwave Radio Relay - Assignment of Control Offices |
| 660-095-917PT | 1971-05-01 | A | 216.28 KB | Short-Haul Radio Facilities - Control Office Responsibilities |
| 660-095-918PT | 1971-05-01 | A | 108.49 KB | Short-Haul Radio Facilities - Assignment of Control Offices |
| 660-100-010 | 1966-09-01 | 2 | 174.94 KB | Customer Trouble Report Analysis Plan - General |
| 660-100-010SW A | 1974-01-01 | D | 26.62 KB | Customer Trouble Report Analysis Plan - General |
| 660-100-011 | 1966-09-01 | 2 | 649.97 KB | Customer Trouble Report Analysis Plan - Categories of Trouble Reports and Classes of Service Measured |
| 660-100-011SW A | 1974-02-01 | H | 323.47 KB | Customer Trouble Report Analysis Plan - Categories of Trouble Reports and Classes of Service Measured |
| 660-100-012 | 1966-09-01 | 2 | 185.80 KB | Customer Trouble Report Analysis Plan - Customer Service Quality Indicators - MC SIRBAN |
| 660-100-013 | 1966-09-01 | 2 | 817.55 KB | Customer Trouble Report Analysis Plan - Trouble Reports - Classification Codes and Definitions for the Handling and Analysis of Trouble Reports - Forms E-4736 and E-4736A |
| 660-100-013SW A | 1975-11-01 | H | 154.62 KB | Customer Trouble Report Analysis Plan - Trouble Reports - Type, Disposition, and Cause |
| 660-100-013SW X1 | 1966-02-01 | A | 42.02 KB | Plant Service Center Referrals to DDD Service Bureaus |
| 660-100-013SW X1 | 1967-07-01 | B | 43.50 KB | Plant Service Center Referrals to DDD Service Bureaus |
| 660-100-013SW X1 | 1967-09-01 | C | 40.48 KB | Plant Service Center Referrals to DDD Service Bureaus |
| 660-100-014 | 1966-09-01 | 2 | 521.92 KB | Customer Trouble Report Analysis Plan - Manual Trouble Report Ticket, Forms E-4732-1 and E-4732-2 |
| 660-100-014SW A | 1974-01-01 | D | 23.47 KB | Customer Trouble Report Analysis Plan - Manual Trouble Report Ticket, Forms E-4732-1 and E-4732-2 |
| 660-100-015 | 1966-09-01 | 2 | 552.44 KB | Customer Trouble Report Analysis Plan - Summaries - Forms E-4737, E-4737A, and E-2700 |
| 660-100-015SW A | 1974-02-01 | D | 562.97 KB | Customer Trouble Report Analysis Plan - Summaries - Forms E-4737, E-4737A, and E-2700 |
| 660-100-016SW A | 1974-01-01 | C | 16.86 KB | Customer Trouble Report Analysis Plan - Analyzing Trouble Reports - Manual |
| 660-100-017SW | 1974-01-01 | A | 4.07 MB | Customer Trouble Report Analysis Plan - Mechanization - General Description, Procedures, and Forms |
| 660-100-017SW X1 | 1974-01-01 | A | 235.94 KB | CTRAP Logic Error Messages |
| 660-100-018SW | 1974-01-01 | A | 1.08 MB | Customer Trouble Report Analysis Plan - Mechanized Trouble Report Ticket, Form SW-6911 |
| 660-100-019SW A | 1974-01-01 | A | 23.44 KB | Customer Trouble Report Analysis Plan - Analyzing Trouble Reports - Mechanized |
| 660-100-900SW | 1974-01-01 | A | 1.00 MB | Saber Card Reader - Description and Use |
| 660-100-901SW | 1974-01-01 | A | 349.63 KB | Saber Card Reader - Multi-Purpose Card Form SW-6891 |
| 660-101-301 | 1953-07-01 | 1 | 773.70 KB | Permanent Signals |
| 660-101-302 | 1954-11-01 | 1 | 272.03 KB | Cable Sheath Opening Record |
| 660-101-303 | 1954-01-01 | 1 | 944.46 KB | Cable and Line or Station Transfers |
| 660-101-303SW A | 1974-02-01 | A | 203.88 KB | Cable and Line or Station Transfers |
| 660-101-304 | 1963-02-01 | 2 | 837.93 KB | Handling Customer Trouble Reports on TWX and Wide Area Services |
| 660-101-305 | 1964-08-01 | 1 | 384.87 KB | Handling Customer Trouble Reports on Data-Phone Services |
| 660-101-306 | 1966-07-01 | 1 | 1.16 MB | Community Antenna Television (CATV) Distribution Systems - Test Center Procedures |
| 660-101-307 | 1964-09-01 | 1 | 405.29 KB | Plant Service Center Responsibilities for Switched Services Networks |
| 660-101-311 | 1969-03-01 | 1 | 378.94 KB | Instant Test |
| 660-101-312 | 1976-12-01 | 4 | 561.15 KB | Maintenance of Service Charge on Services With Customer Provided Equipment |
| 660-101-312PN A | 1978-06-01 | A | 45.60 KB | Maintenance of Service Charge on Services With Customer Provided Equipment |
| 660-101-312PN X1 | 1976-12-01 | B | 54.23 KB | Maintenance of Service Charge with Customer Provided Equipment (CPE) - American District Telegraph Co. (ADT) |
| 660-101-312SW A | 1972-03-01 | C | 31.57 KB | Maintenance of Service Charge on Services With Customer Provided Equipment (CPE) |
| 660-101-313 | 1975-10-01 | 2 | 126.30 KB | Bulk Dispatch - Trouble Reports |
| 660-101-314 | 1973-06-01 | 1 | 58.51 KB | No-Access Procedure |
| 660-101-314PN A | 1979-10-01 | A | 26.08 KB | No-Access Procedure |
| 660-101-315 | 1973-06-01 | 1 | 67.43 KB | Procedures for Test OK - Customer Doesn't Answer (TOK-DA) |
| 660-101-315PN A | 1979-10-01 | A | 21.77 KB | Procedures for Test OK - Customer Doesn't Answer (TOK-DA) |
| 660-101-317 | 1975-11-01 | 1 | 146.96 KB | Handling Trouble Reports When Acoustically or Inductively Coupled Devices Are Used for Data Transmission |
| 660-102-300 | 1953-07-01 | 2 | 840.72 KB | Operating Practice for Test Center - Emergency Routine |
| 660-103-300 | 1972-06-01 | 5 | 603.95 KB | Contact Handling |
| 660-104-300 | 1972-06-01 | 7 | 251.84 KB | Appointments |
| 660-150-010 | 1953-06-01 | 2 | 2.11 MB | Subscriber Line Card File |
| 660-150-010 | 1974-11-01 | 4 | 2.29 MB | Customer Line Card File |
| 660-151-010 | 1961-05-01 | 2 | 4.42 MB | Customer Line Cards |
| 660-151-010 | 1975-02-01 | 4 | 3.58 MB | Customer Line Cards |
| 660-151-010 A | 1961-11-01 | 1 | 221.46 KB | Customer Line Cards |
| 660-151-010SW A | 1974-02-01 | E | 810.29 KB | Customer Line Cards |
| 660-152-010 | 1966-03-01 | 3 | 789.54 KB | Description and Use of Marker Cards |
| 660-152-010 | 1973-04-01 | 4 | 306.58 KB | Description and Use of Marker Cards |
| 660-167-300 | 1965-09-01 | 1 | 4.43 MB | Cable Restoration - Dedicated Plant - Identifying Paper Insulated Cable Pairs |
| 660-168-274 | 1981-04-01 | 2 | 1.94 MB | Automated Repair Service Bureau Equipped With Mechanized Loop Testing - Central Office Preparation and Testing Procedures for No-Test Trunk Circuits Using KS-22475 Trunk Test Set |
| 660-168-371 | 1978-07-01 | 1 | 3.14 MB | Automated Repair Service Bureau Equipped With Automatic Line Verifier - Diagnose Loop Testing Frame/Line Fault Detector Fault |
| 660-168-900SW | 1981-11-01 | A | 622.14 KB | Centralized Audit, Parameter and Error Reconciliation (CAPER) - Center Administration |
| 660-168-900SW X1 | 1981-11-01 | A | 124.81 KB | Automatic Line Record Update |
| 660-195-010SW | 1972-02-01 | C | 227.41 KB | Repair Service Observations - Gray Audograph and Gray E.T.C. |
| 660-195-013SW A | 1975-10-01 | A | 33.08 KB | Reporting Interruptions and Overtime for Billing Adjustments |
| 660-195-013SW X1 | 1972-02-01 | C | 213.03 KB | Reporting of Service Interruptions for Billing Adjustments (Interruption Allowance) |
| 660-195-031SW A | 1971-06-01 | B | 39.68 KB | Denial of Service for Nonpayment |
| 660-195-032SW | 1968-08-01 | B | 984.29 KB | Operating Procedures - Line Message Register Tests |
| 660-195-035SW | 1970-04-01 | A | 210.75 KB | Protection of Buried and Underground Cable |
| 660-195-040SW | 1974-05-01 | C | 478.37 KB | Handling Customer Exchange Special Service Trouble Reports by Centralized Special Service Center |
| 660-200-015 | 1971-03-01 | 1 | 556.21 KB | Private Line Service - Minimum Service Charge Arrangements |
| 660-200-300 | 1954-01-01 | 1 | 370.69 KB | Special Safeguarding Measures |
| 660-200-300 A | 1956-10-01 | 1 | 22.20 KB | Special Safeguarding Measures |
| 660-200-301 | 1959-05-01 | 1 | 276.64 KB | Private Services - Protection and Safeguarding |
| 660-200-301SW A | 1975-10-01 | E | 85.45 KB | Private Services - Protection and Safeguarding |
| 660-201-010SW A | 1968-08-01 | B | 38.92 KB | Intercity Private Line Telephone and Telegraph Facility Maintenance - Office Responsibilities |
| 660-201-010SW X1 | 1975-07-01 | B | 247.60 KB | Telephone Facility Maintenance - Assignment of Control Offices |
| 660-201-010SW X1 | 1979-05-01 | C | 304.36 KB | Telephone Facility Maintenance - Assignment of Control Offices |
| 660-207-010 | 1972-05-01 | 4 | 230.58 KB | Restoration Sequence - Message and Special Service Circuits |
| 660-207-010 | 1974-09-01 | 5 | 149.46 KB | Restoration Sequence - Message and Special Service Circuits |
| 660-207-020 | 1974-04-01 | 3 | 233.25 KB | Special Services - Administration of Priority Special Services |
| 660-215-500 | 1976-03-01 | 1 | 29.46 MB | Special Services Consulting Guide |
| 660-215-500 A | 1977-04-01 | 1 | 35.23 KB | Special Services Consulting Guide |
| 660-225-010SW X1 | 1971-07-01 | B | 200.98 KB | Kansas - Serving Test Centers |
| 660-225-011 | 1972-01-01 | 6 | 1.51 MB | Special Services - Mechanized Results Measurement Plan - Definitions |
| 660-225-011SW A | 1968-09-01 | B | 302.45 KB | Private Services - Results Measurement Plan - Definitions |
| 660-225-012SW A | 1968-09-01 | A | 22.60 KB | Private Services - Results Measurement Plan - Preparation and Use of the Private Service Report Ticket Forms E-4220 and E-4221 |
| 660-225-013SW A | 1968-09-01 | A | 21.59 KB | Private Services - Results Measurement Plan - Preparation and Use of the Private Services Results Summary Form E-4223 |
| 660-225-104 | 1977-12-06 | 1P | 2.01 MB | Special Services System - Trouble Ticket E-6944 (Preliminary) |
| 660-225-107 | 1977-12-01 | 1P | 1.53 MB | Special Services System - Analysis Plan (Preliminary) |
| 660-225-109 | 1977-12-01 | 1P | 822.65 KB | Special Services System - Special Outputs and Summaries |
| 660-230-100 | 1979-11-01 | 2 | 1.24 MB | Administrative Procedures - Digital Data System |
| 660-295-905SW | 1975-09-01 | B | 343.71 KB | Private Line Services - Report of Overtime and Interruptions |
| 660-400-010 | 1971-10-01 | 1 | 1.33 MB | Trunk Service Results Plan |
| 660-400-010 | 1977-12-01 | 3 | 1.46 MB | Trunk Outage Results Plan |
| 660-400-010SW A | 1973-08-01 | B | 34.15 KB | Trunk Service Results Plan - Trunk Service Results Summary Form E-3994 |
| 660-402-010 | 1978-05-01 | 3 | 632.98 KB | Recording of Manual Transmission Measurements and Measurement Schedules |
| 660-402-010PN X1 | 1972-02-01 | B | 63.90 KB | Forms for Recording Transmission Measurements |
| 660-402-010SW A | 1971-06-01 | B | 129.16 KB | Forms for Recording Transmission and Measurement Schedules |
| 660-402-300 | 1977-12-01 | 12 | 982.90 KB | Transmission Maintenance - Overall 1 kHz Loss Measurements on Message Trunks |
| 660-403-300PN A | 1975-04-01 | A | 26.67 KB | Message Circuit Noise Measurements - Test Classifications and Intervals - Message Trunks |
| 660-402-300SW A | 1971-06-01 | B | 51.06 KB | Transmission Maintenance - Overall 1000 Hz Loss Measurements on Message Trunks |
| 660-402-310 | 1971-04-01 | 1 | 86.36 KB | Transmission Maintenance - Echo Suppressor Tests Using 58-Type Echo Suppressor Measuring System |
| 660-403-010 | 1971-02-01 | 5 | 710.47 KB | Forms for Recording Overall Noise Measurements on Trunks |
| 660-403-010SW A | 1971-06-01 | C | 105.65 KB | Forms for Recording Overall Noise Measurements on Trunks |
| 660-403-011 | 1976-03-01 | 4 | 3.18 MB | Trunk Transmission Maintenance Index - Mechanized Summary Procedure - Data Reporting |
| 660-403-011SW A | 1971-06-01 | A | 800.00 KB | Trunk Transmission Maintenance Index - Mechanized Summary Procedure - Data Reporting |
| 660-403-011SW X1 | 1974-07-01 | 5 | 195.04 KB | Trunk Transmission Maintenance Index - Control Office Codes - Kansas Area |
| 660-403-300 | 1975-02-01 | 4 | 466.34 KB | Message Circuit Noise and Impulse Noise Measurements - Message Circuit Trunks - Test Classifications and Intervals |
| 660-403-300SW A | 1973-10-01 | A | 82.22 KB | Message Circuit Noise and Impulse Noise Measurements - Message Circuit Trunks - Test Classifications and Intervals |
| 660-403-500 | 1978-03-01 | 5 | 757.03 KB | Message Circuit Noise Measurements on Message Trunks - Requirements |
| 660-403-500 A | 1981-04-01 | 1 | 29.44 KB | Message Circuit Noise Measurements on Message Trunks - Requirements |
| 660-403-503 | 1977-07-01 | 5 | 255.00 KB | Crosstalk Tests on Message Trunks |
| 660-409-011SW X1 | 1972-04-01 | 3 | 181.38 KB | Trunk Transmission Maintenance Index - Control Office Codes - Kansas Area |
| 660-420-010 | 1970-01-01 | 1 | 779.53 KB | Automatic Trunk Test Frames Associated With ATMS - Central Office Administration |
| 660-430-011 | 1971-02-01 | 6 | 655.93 KB | Control of Trunk Loss Deviations - Administration of Measurements - Use of Form E-3834 and Form E-5152 |
| 660-430-011SW A | 1971-06-01 | C | 21.29 KB | Control of Trunk Loss Deviations - Administration of Measurements - Use of Form E-3834 and Form E-5152 |
| 660-430-012 | 1977-06-01 | 3 | 353.51 KB | Control of 1 kHz Trunk Loss Deviations |
| 660-440-010 | 1977-09-01 | 3 | 1.02 MB | Test Line Circuits and Communication Trunks - Nationwide Distance Dialing Plan |
| 660-440-107 | 1979-12-01 | 2 | 1.45 MB | 107-Type Test Line for Data Transmission Maintenance - Description |
| 660-450-010 | 1972-05-01 | 5 | 2.17 MB | Forms for Recording Circuit or Trunk Order Test Results |
| 660-450-010 A | 1980-04-01 | 2 | 80.81 KB | Forms for Recording Trunk or Circuit Order Test Results on Message Trunks Test Center Operation - Trunk Maintenance - General |
| 660-450-010SW A | 1972-05-01 | B | 184.89 KB | Circuit Order Test Results - Forms for Recording Private Line and Special Service Test Results |
| 660-450-300 | 1978-05-01 | 3 | 2.10 MB | Trunk Order or Circuit Order Tests for All Types of Message Trunks - General Information |
| 660-450-301 | 1972-06-01 | 3 | 1.43 MB | Circuit Order or Trunk Order Tests for All Types of Message Trunks |
| 660-450-301 | 1981-11-01 | 5 | 4.48 MB | Preservice and Maintenance Tests for All Types of Message Trunks |
| 660-450-301PN X2 | 1975-09-01 | A | 1.32 MB | Circuit Order or Trunk Order Tests for All Types of Message Trunks |
| 660-450-301SW A | 1974-01-01 | C | 51.16 KB | Circuit Order or Trunk Order Tests for All Types of Message Trunks |
| 660-450-302 | 1965-04-01 | 1 | 927.81 KB | Circuit Order or Trunk Order Tests for Carrier Telegraph Layouts |
| 660-450-501 | 1964-02-01 | 1 | 269.80 KB | Circuit Order or Trunk Order Tests - Message Trunks - Testing Methods |
| 660-450-502 | 1963-11-01 | 1 | 899.61 KB | Circuit Order or Trunk Order Tests - Testing Methods - Measurement of Office Wiring and Equipment Losses - 2-Wire Switching Offices |
| 660-450-503 | 1963-09-01 | 1 | 677.87 KB | Circuit Order or Trunk Order Tests - Testing Methods - Measurement of Office Wiring and Equipment Losses - 4-Wire Switching Offices |
| 660-450-504 | 1963-09-01 | 1 | 401.08 KB | Circuit Order or Trunk Order Tests - Testing Methods - Adjustment of Transmission Levels on Combination Trunks - Intermediate Offices |
| 660-450-505 | 1973-10-01 | 3 | 272.05 KB | Circuit Order or Trunk Order Tests - Testing Methods - Channel Net Gain and Frequency Response Characteristics |
| 660-450-505 | 1978-04-01 | 4 | 742.08 KB | Trunk Order or Circuit Order Tests - Testing Methods - Channel Net Gain |
| 660-450-506 | 1973-06-01 | 1 | 1.38 MB | Circuit Order or Trunk Order Tests for Overseas Operator Bridged Access Trunks - IOC and IOTC Operation - 4A and 4M Toll Switching Systems and 3C or 3CL Switchboards |
| 660-450-506 A | 1974-05-01 | 1 | 43.15 KB | Circuit Order or Trunk Order Tests for Overseas Operator Bridged Access Trunks - IOC and IOTC Operation - 4A and 4M Toll Switching Systems and 3C or 3CL Switchboards |
| 660-450-507 | 1977-10-01 | 1 | 4.07 MB | Common Channel Interoffice Signaling - Voice Frequency Link - Description, Maintenance, and Tests |
| 660-460-010 | 1978-04-01 | 1 | 128.04 KB | No. 4 ESS Offices - Terminal Balance Records |
| 660-460-100 | 1978-04-01 | 1 | 289.09 KB | No. 4 ESS Offices - Terminal Balance - General Information |
| 660-460-301 | 1978-04-01 | 1 | 74.46 KB | No. 4 ESS Offices - Terminal Balance Requirements |
| 660-461-100 | 1978-12-01 | 1 | 2.77 MB | No. 1 Trunk Concentrator - General Balancing Information |
| 660-461-101 | 1978-11-01 | 1 | 281.84 KB | No. 1 Trunk Concentrator - General Balance Information - Administration and Records |
| 660-461-301 | 1979-03-01 | 1 | 1.91 MB | No. 1 Trunk Concentrator - Balance Requirements and Verification Tests |
| 660-462-500 | 1978-05-01 | 1 | 220.85 KB | No. 23 Automatic Call Distributing (ACD) System - No. 23 Concentrator - Through and Terminal Balance - Network Built-Out Capacitor (NBOC) Selection |
| 660-462-502 | 1978-05-01 | 1 | 413.98 KB | No. 23 Automatic Call Distributing (ACD) System - No. 23 Concentrator - Through and Terminal Balance - Drop Build-Out Capacitor (DBOC) Adjustment and Verification Tests |
| 660-462-504 | 1978-04-01 | 1 | 141.98 KB | No. 23 Automatic Call Distributing (ACD) System - No. 23 Concentrator - Through and Terminal Balance - Balance Test Equipment and Test Circuit |
| 660-463-010 | 1979-03-01 | 1 | 484.35 KB | Traffic Service Position System No. 1/Remote Trunk Arrangement - Balance - Administration and Records |
| 660-463-010 | 1984-02-01 | 3 | 306.02 KB | Traffic Service Position System No. 1/1B - Impedance Balance - Administration and Records |
| 660-463-100 | 1979-12-01 | 2 | 3.03 MB | Traffic Service Position System No. 1 Remote Trunking Arrangement Position Subsystem 2 - Automatic Coin Toll Service - Balance - General Information |
| 660-463-301 | 1978-08-01 | 1 | 714.95 KB | Traffic Service Position System No. 1/Remote Trunking Arrangement/Position Subsystem 2 - Balance - Requirements |
| 660-463-500 | 1979-10-01 | 2 | 9.13 MB | Traffic Service Position System No. 1 With Remote Trunk Arrangement, Position Subsystem No. 2, and Automatic Coin Toll Service - Balance - Base Unit |
| 660-463-502 | 1978-12-01 | 1 | 921.04 KB | Traffic Service Position System No. 1/Remote Trunk Arrangement/Position Subsystem No. 2 - Balance - RTA |
| 660-463-504 | 1978-11-01 | 1 | 462.68 KB | Traffic Service Position System No. 1 With Position Subsystem No. 2 and Remote Trunking Arrangements - Balance - Test Equipment, Test Circuits, and Terminations |
| 660-470-100 | 1978-09-01 | 2 | 4.27 MB | No. 1/1A ESS Offices With HILO 4-Wire Switching Feature - Through and Terminal Balance - General Information |
| 660-470-300 | 1978-03-01 | 1 | 1.59 MB | No. 1/1A ESS Offices With HILO 4-Wire Switching - Through Balance Requirements |
| 660-470-301 | 1978-03-01 | 1 | 4.10 MB | No. 1/1A ESS Offices With HILO 4-Wire Switching - Terminal Balance Requirements |
| 660-470-502 A | 1978-08-01 | 1 | 110.20 KB | No. 1/1A ESS Offices With HILO 4-Wire Switching - Terminal Balance - DBO Procedures and Verification Tests |
| 660-470-520 | 1978-08-01 | 1 | 1.62 MB | Selection of Office NBO in Large Class 5 Offices Served By No. 1/1A Electronic Switching System (ESS) With HILO 4-Wire Switching Feature |
| 660-471-100 | 1972-08-01 | 1 | 3.25 MB | Crossbar Tandem Offices - Through and Terminal Balance - General Information |
| 660-471-504 A | 1977-07-01 | 1 | 47.00 KB | Crossbar Tandem Offices - Test Equipment, Test Circuits, and Terminations Used in Through and Terminal balance Testing |
| 660-471-520 | 1972-08-01 | 1 | 3.49 MB | Selection of Office NBO in Large Class 5 Offices Served By Crossbar Tandem Office |
| 660-472-010 | 1974-01-01 | 1 | 1.49 MB | No. 5 Crossbar Offices - Through and Terminal Balance - Administration and Records |
| 660-472-100 | 1974-01-01 | 1 | 3.14 MB | No. 5 Crossbar Offices - Through and Terminal Balance - General Information |
| 660-472-100 A | 1977-11-01 | 1 | 169.05 KB | No. 5 Crossbar Offices - Through and Terminal Balance - General Information |
| 660-472-300 | 1973-10-01 | 1 | 174.36 KB | No. 5 Crossbar Offices - Through Balance Requirements |
| 660-472-301 | 1977-12-01 | 3 | 386.66 KB | No. 5 Crossbar Offices - Terminal Balance Requirements |
| 660-472-500 | 1974-03-01 | 1 | 3.55 MB | Selection of Office NBO in Large Class 5 Offices Served By No. 5 Crossbar Office |
| 660-472-500 | 1978-01-01 | 2 | 2.72 MB | No. 5 Crossbar Offices - Network Build-Out Selection for Through and/or Terminal Balance |
| 660-472-501 | 1974-01-01 | 1 | 4.97 MB | No. 5 Crossbar Offices - Through Balance Drop Build-Out Procedures and Verification Tests |
| 660-473-301 | 1974-12-01 | 2 | 8.23 MB | No. 4 Type Crossbar Offices - Terminal Balance Requirements |
| 660-474-100 | 1974-11-01 | 1 | 2.80 MB | Step-by-Step Offices - Terminal Balance - General Information |
| 660-474-301 | 1977-07-01 | 3 | 4.52 MB | Step-by-Step Offices - Terminal Balance Requirements |
| 660-474-500 | 1974-11-01 | 1 | 7.82 MB | Step-by-Step Offices - Office NBO Selection for Terminal Balance |
| 660-474-502 | 1974-10-01 | 1 | 14.97 MB | Step-by-Step Offices - Terminal Balance DBO Adjustments and Verification Tests |
| 660-474-504 | 1974-11-01 | 1 | 15.44 MB | Step-by-Step Offices - Test Equipment, Test Circuits, and Terminations Used in Terminal Balance Testing |
| 660-474-520 | 1974-10-01 | 1 | 3.62 MB | Selection of Office NBO in Large Class 5 Offices Served By Step-by-Step Office |
| 660-475-100 | 1975-01-01 | 1 | 2.55 MB | Toll Switchboards (Class 4P) Offices - Terminal Balance - General Information |
| 660-477-301 A | 1978-01-01 | 1 | 37.90 KB | No. 5 Crossbar - Automatic Call Distributor System (Phase I) - Balance Requirements |
| 660-477-502 A | 1978-01-01 | 1 | 27.96 KB | No. 5 Crossbar - Automatic Call Distributor System, Phase I - Balance Procedures - Drop Build-Out Capacitor (DBOC) Selection and Verification |
| 660-479-100 | 1978-12-01 | 1 | 2.78 MB | Automatic Intercept Systems - General Balancing Information |
| 660-479-200 | 1978-12-01 | 1 | 1015.87 KB | Automatic Intercept System (AIS) - Extended Range - Net Build-Out (NBO) and Drop Build-Out (DBO) Capacitor Selection and Application - AIS Test Circuit |
| 660-480-100 | 1978-12-01 | 1 | 2.75 MB | No. 5 ACD - Phase 1 - General Balancing Information |
| 660-495-900SW | 1967-12-01 | A | 90.16 KB | Transmission Maintenance - Carrier Telegraph Layouts and Plant Order Circuits |
| 660-501-500 | 1970-06-01 | 2 | 469.22 KB | Trunk Transmission Testing Using the Loop-Around Method |
| 660-502-500 | 1968-10-01 | 2 | 197.70 KB | Manual Two-Way Transmission Measurement and Far-End Noise Check Using 104-Type Far-End Equipment |
| 660-503-500 | 1975-04-01 | 1 | 225.66 KB | Use of Expanded ROTL Balance and Long-Term (BALT) Test Port |
| 660-620-011 A | 1969-08-01 | 1 | 280.75 KB | Toll Service Results Plan - Toll Service Report - Forms E-1025 and E-1025A |
| 660-620-014 A | 1969-07-01 | 1 | 106.16 KB | Toll Service Results Plan - Toll Service Results Summary - Form E-3994 |
| 660-625-014 | 1968-04-01 | 1 | 303.19 KB | Trunk Performance Record - Form E-5685 |
| 660-630-010 A | 1974-09-01 | 1 | 26.47 KB | International Service Results |
| 660-630-303 | 1977-02-01 | 1 | 613.61 KB | International Service - International Service Coordination Centers and International Network Management Centers |
| 660-630-311 | 1972-04-01 | 1 | 850.48 KB | Maintenance of International Record Carrier Circuits - Channels to Overseas Locations - Private Line Services |
| 660-630-312 | 1974-08-01 | 1 | 473.11 KB | International Services - Responsibilities and Trouble Locating Procedures for Voiceband Circuits at Group and Supergroup Frequencies |
| 660-895-900SW | 1973-12-01 | A | 604.92 KB | Test Desk Cable Fault Locator Delcon 4913A - Description and Use |