| Section
| Date
| Issue
| Size
| Title
|
| 666-000-000 | 1986-12-01 | 5 | 223.99 KB | Numerical Index - Division 666 - Testboards and Test Positions for Special Services |
| 666-200-100 | 1964-09-01 | 1 | 2.08 MB | 17E Testboard - General Description |
| 666-200-300 | 1964-07-01 | 1 | 440.36 KB | 17E Testboard - Measurement and Adjustment of Pads for the Transmission Measuring Circuit |
| 666-200-500 | 1964-08-01 | 1 | 415.58 KB | 17E Testboard - Measurement and Adjustment of Office Losses |
| 666-200-501 | 1966-08-01 | 2 | 1.26 MB | 17E Testboard - Operational Tests |
| 666-201-100 | 1966-03-01 | 2 | 2.19 MB | 19A Testboard - General Description |
| 666-201-300 | 1963-08-01 | 1 | 786.88 KB | 19A Testboard - Measurement and Adjustment of Pads for the Transmission Measuring Circuit |
| 666-201-500 | 1966-03-01 | 2 | 2.43 MB | 19A Testboard - Operational Tests |
| 666-201-501 | 1966-03-01 | 2 | 957.93 KB | 19A Testboard - Measurement of Office Losses at 1 kc Relative Envelope Delay and Frequency Response Measurements |
| 666-600-100 | 1974-08-01 | 1 | 2.11 MB | Digital Data System - 950A Testboard (J70176A and B) - Description and Operation |
| 666-600-100 | 1977-12-01 | 2 | 2.22 MB | Digital Data System - 950A Testboard (J70176A and B) - Description and Operation |
| 666-600-101 | 1975-02-01 | 1 | 2.73 MB | Switched Digital Data System - 950B Testboard (J70176C) - Description and Operation |
| 666-600-101 | 1977-12-01 | 2 | 2.81 MB | Switched Digital Data System - 950B Testboard (J70176C) - Description and Operation |
| 666-600-300 | 1974-08-01 | 1 | 880.37 KB | Digital Data System - 950A Testboard (J70176A and B) - Maintenance Procedures |
| 666-600-300 | 1977-12-01 | 2 | 1022.30 KB | Digital Data System - 950A Testboard (J70176A and B) - Maintenance Procedures |
| 666-600-301 | 1975-02-01 | 1 | 920.37 KB | Switched Digital Data System - 950B Testboard (J70176C) - Maintenance Procedures |
| 666-600-301 | 1977-12-01 | 2 | 1.11 MB | Switched Digital Data System - 950B Testboard (J70176C) - Maintenance Procedures |
| 666-600-500 | 1977-12-01 | 2 | 1.57 MB | Digital Data System - 950A Testboard (J70176A and B) - Inspection and Maintenance Tests |
| 666-600-501 | 1977-12-01 | 2 | 1.59 MB | Switched Digital Data System - 950B Testboard (J70176C) - Inspection and Maintenance Tests |
| 666-610-100 | 1977-07-01 | 1 | 1.67 MB | Switched Access Remote Test System 1A (SARTS-1A) - General Description |
| 666-611-100 | 1976-11-01 | 1 | 1.29 MB | Switched Access Remote Test System 1A (SARTS-1A) - Process Controller 1A (PC-1A) and Associated Equipment - General Description |
| 666-611-101 | 1978-07-01 | 2 | 278.64 KB | Switched Access Remote Test System 1A (SARTS 1A) - Process Controller 1A (PC 1A) - Program Features |
| 666-612-100 | 1976-10-01 | 1 | 2.00 MB | Switched Access Remote Test System 1A (SARTS-1A) - Test Position 52A (TP-52A) and Associated Equipment - General Description |
| 666-612-200 | 1976-03-01 | 1 | 640.97 KB | Switched Access Remote Test System 1A (SARTS-1A) - Test Position 52A (TP-52A) - Installation and Initial Tests |
| 666-613-100 | 1978-12-01 | 2 | 842.28 KB | Switched Access Remote Test System 1A (SARTS-1A) - Remote Test System (RTS 1A) - Description |
| 666-613-300 | 1978-06-01 | 1 | 267.06 KB | Switched Access Remote Test System 1A (SARTS-1A) - Remote Test System (RTS 1A) - Maintenance |
| 666-613-500 | 1976-04-01 | 1 | 5.71 MB | Switched Access Remote Test System 1A (SARTS-1A) - Remote Test System (RTS 1A) - Tests |