Artifact Details

Title

Electronic switching systems - No. 1

Document Titles

A-level interrupt program

Document Titles

Carrier group alarm

Document Titles

Centrex console demand exercises

Document Titles

Centrex maintenance supervisory programs

Document Titles

Data link diagnostic programs

Document Titles

Dial tone speed test program

Document Titles

Interrupt request table

Document Titles

Key and lamp program

Document Titles

Master control center programs

Document Titles

Plugging up programs

Document Titles

Ringing and tone plant diagnostic

Document Titles

Ringing and tone plant monitor and exercises

Document Titles

Station ringer and T-T test programs

Catalog Number

102774947

Type

Text

Date

1971

Publisher

Bell Telephone Laboratories, Inc.

Category

Program Listing

Collection Title

Al Kossow collection

Credit

Gift of Al Kossow

Lot Number

X6512.2012