Title
Electronic switching systems no. 1 : arranged with 2-wire featuresCatalog Number
102774943Type
DocumentDescription
Items in this folder were originally bound. This folder contains multiple program listings. All listings are labeled "AT&TCo SPCS."Includes:
Network and SD controller diagnostic program
Teletypewriter maintenance programs
Auto. message accounting maintenance programs
Program store exercise programs
Trunk and line test panel program
Date
1971Publisher
Bell Telephone Laboratories, Inc.Identifying Numbers
| Document number | PR-1A028-10 | Network and SD controller diagnostic program |
| Document number | PR-1A029-10 | Teletypewriter maintenance programs |
| Document number | PR-1A030-14 | Auto. message accounting maintenance programs |
| Document number | PR-1A031-14 | Program store exercise programs |
| Document number | PR-1A040-14 | Trunk and line test panel program |