| Section
| Date
| Issue
| Size
| Title
|
| 311-000-000 | 1978-10-01 | 18 | 60.23 KB | Numerical Index - Division 311 - Switched Special Services Systems |
| 311-000-000 | 1980-11-01 | 23 | 64.74 KB | Numerical Index - Division 311 - Switched Special Services Systems |
| 311-001-011 | 1972-12-01 | 1 | 56.10 KB | Equipment Test List - Switched Special Services Systems |
| 311-100-100 | 1980-04-01 | 1 | 1.65 MB | Transmission Testing Considerations - Switched Special Service Circuits |
| 311-100-101 | 1980-07-01 | 1 | 1.34 MB | Signaling Considerations - Switched Special Service Circuits |
| 311-100-102 | 1980-11-01 | 1 | 1012.88 KB | Installation and Maintenance - Tests and Requirements - Switched Special Service Circuits |
| 311-100-500 | 1975-04-01 | 3 | 395.76 KB | Switched Special Services - Circuit Order and Trunk Order Transmission Tests for Special Services Having Access to the Direct Distance Dialing Network |
| 311-100-501 | 1963-07-01 | 1 | 620.88 KB | Switched Special Services - 1000 Hz and Noise Measurements - PBX Central Office Trunks, Off-Premises Station Lines, and Tie Trunks Having Access to the Direct Distance Dialing Network |
| 311-100-501 A | 1972-04-01 | 2 | 760.99 KB | Switched Special Services - 1000 Hz and Noise Measurements - PBX Central Office Trunks, Off-Premises Station Lines, and Tie Trunks Having Access to the Direct Distance Dialing Network |
| 311-100-551 | 1974-06-01 | 3 | 1.85 MB | Special Service Link Lineup - PBX To Central Office 2-Wire Link Using E6 Repeaters |
| 311-100-552 | 1972-11-01 | 2 | 905.10 KB | Special Service Link Lineup - Central Office To Central Office 2-Wire Link Using E6 Repeaters |
| 311-100-552 | 1972-11-01 | 2R | 910.89 KB | Special Service Link Lineup - Central Office To Central Office 2-Wire Link Using E6 Repeaters |
| 311-100-552 A | 1973-04-01 | 1 | 659.77 KB | Special Service Link Lineup - Central Office To Central Office 2-Wire Link Using E6 Repeaters |
| 311-100-553 | 1973-05-01 | 3 | 1006.68 KB | Special Service Link Lineup - Central Office to Station 2-Wire Link Using E6 Repeaters |
| 311-100-553 A | 1974-02-01 | 1 | 487.18 KB | Special Service Link Lineup - Central Office to Station 2-Wire Link Using E6 Repeaters |
| 311-200-001 | 1980-05-01 | 1 | 2.95 MB | Wide Area Telecommunication Service "WATS" - Administrative Procedures for Installation and Maintenance |
| 311-200-001 A | 1980-05-01 | 1 | 1.03 MB | Wide Area Telecommunication Service "WATS" - Administrative Procedures for Installation and Maintenance |
| 311-200-005 | 1985-07-01 | 1 | 7.93 MB | Local Access & Transport Area - Wide Area Telecommunications Services (LATAWATS) - User Guide |
| 311-200-180 | 1970-05-01 | 3R | 1.80 MB | Description of Circuit Arrangements for Providing Foreign Exchange and Other Special Access Services |
| 311-200-180 A | 1972-04-01 | 1 | 581.93 KB | Description of Circuit Arrangements for Providing Foreign Exchange and Other Special Services |
| 311-240-501 | 1973-06-01 | 3 | 1.68 MB | Overall Lineup - Two-Wire Repeatered Nonloaded PBX-CO Trunk With Network at PBX |
| 311-240-501 A | 1974-02-01 | 1 | 1.19 MB | Overall Lineup - Two-Wire Repeatered Nonloaded PBX-CO Trunk With Network at PBX |
| 311-240-502 | 1973-06-01 | 3 | 1.51 MB | Overall Lineup - 2-Wire Repeatered Nonloaded PBX-CO and Local WATS Trunks for PBXs Not Requiring Terminal Balance |
| 311-240-502 A | 1974-02-01 | 1 | 487.29 KB | Overall Lineup - 2-Wire Repeatered Nonloaded PBX-CO and Local WATS Trunks for PBXs Not Requiring Terminal Balance |
| 311-300-500 | 1974-11-01 | 1 | 4.65 MB | PBX Tie Trunk - Tests and Adjustment |
| 311-350-100 | 1972-04-01 | 3 | 916.92 KB | Balance Testing Considerations - PBX 4-Wire Via Net Loss Tie Trunks and Access Lines |
| 311-350-500 | 1972-11-01 | 4 | 2.82 MB | Balance Test Procedures for PBX Switched 4-Wire Tie Trunks and Access Lines |
| 311-530-500 | 1965-01-01 | 1 | 1.48 MB | Group Alerting System - Transmission Testing Methods and Requirements |