Artifact Details

Title

Electronic switching systems no. 1 : arranged with 2-wire features

Document Titles

Direct distance dialing service observing program

Document Titles

Incoming trunk test programs

Document Titles

Line load control program

Document Titles

Multiline service observing program

Document Titles

Recent change update and control programs

Document Titles

Service order programs

Document Titles

Traffic data processing programs

Document Titles

Traffic measurements programs

Catalog Number

102774941

Type

Text

Date

1970-1971

Publisher

Bell Telephone Laboratories, Inc.

Identifying Numbers

Document number PR-1A075-11 Line load control program
Document number PR-1A077-03 Multiline service observing program
Document number PR-1A078-10 Direct distance dialing service observing program
Document number PR-1A079-12 Incoming trunk test programs
Document number PR-1A081-14 Traffic measurements programs
Document number PR-1A082-10 Traffic data processing programs
Document number PR-1A083-14 Recent change update and control programs
Document number PR-1A084-14 Service order programs

Description

Items in this folder were originally bound. This folder contains multiple program listings. All listings are labeled "AT&TCo SPCS."

Category

Program Listing

Collection Title

Al Kossow collection

Credit

Gift of Al Kossow

Lot Number

X6512.2012