| Section
| Date
| Issue
| Size
| Title
|
| 220-100-100 | 2001-06-01 | 1 | 79.85 KB | XM24 Expansion Module - Installation Instructions |
| 220-121-301PT X1 | 1972-03-01 | B | 28.80 KB | Tandem Marker SD-25361-01 Cross-Connections - Crossbar Tandem Offices |
| 220-121-900PT | 1973-08-01 | A | 260.63 KB | Route Verification Tests Using Route Verification Unit PJ25012 - Crossbar Tandem Offices |
| 220-160-501 | 1962-09-01 | 5 | 502.37 KB | Trunk Circuits - Tests Using Automatic Incoming Test Circuit SD-25161-01 - Crossbar Tandem Offices |
| 220-409-501PT X1 | 1957-02-13 | A | 226.96 KB | Return Loss Tests Using DE-90071-01 Test Set - Crossbar Tandem Offices |
| 220-409-501PT X2 | 1956-12-15 | A | 186.32 KB | Return Loss Tests on Toll Connecting Trunks - Crossbar Tandem Systems |
| 220-422-101 | 1976-01-01 | 1 | 917.50 KB | Computerized Maintenance and Administration Support III (COMAS III) - Description - Crossbar Tandem Office |
| 220-450-501PT X1 | 1972-07-01 | A | 116.28 KB | Sender Test Frame SD-25364-01 - Tests - Crossbar Tandem Offices |
| 220-500-900PT | 1973-10-01 | B | 291.75 KB | AMA Accuracy - Equipment Test Requirements - Crossbar Tandem CAMA Offices |
| 220-500-901PT | 1973-10-01 | A | 183.50 KB | Code Openings - Rate and Route Verification Tests - Crossbar Tandem Offices |
| 220-501-501PT A | 1964-11-01 | B | 44.76 KB | Transverters Using Sender Test Frame - Crossbar Tandem Offices Arranged for CAMA |
| 220-501-503PT A | 1964-11-01 | B | 35.06 KB | Transverter Miscellaneous Tests - Crossbar Tandem Offices Arranged for CAMA |
| 220-532-301PT | 1961-04-01 | A | 141.62 KB | Verification of CAMA Trunk Decade Cross Connections on Sender Link Frames and Trunk Test Frame Using Trunk Automatic Test Circuit SD-25960-01 - Crossbar Tandem Offices Arranged for CAMA |
| 220-535-303PT A | 1981-04-01 | B | 30.98 KB | Master Timing Circuit SD-25633-01 - Daylight Saving Time and Leap Year Changes - Crossbar Tandem Offices |
| 220-600-900PT | 1967-06-01 | A | 244.91 KB | AMA Accuracy - Traffic Service Position - Crossbar Tandem Offices |
| 220-600-900PT A | 1968-04-01 | A | 27.11 KB | AMA Accuracy - Traffic Service Position - Crossbar Tandem Offices |