431A channel unit extender test set
Subtitle: operation manual
By: Lear Siegler, Inc., Sierra Electronic Division.
Contributors: Lear Siegler, Inc. Sierra Electronic Division.
Publisher: The Division
Published: 1985
Place of publication: Menlo Park, CA (3885 Bohannon Dr., Menlo Park 94025)
Language: eng
Number of pages: 30
Subjects: Telephone switching systems, Electronic -- Testing.; Electronic instruments.
Notes: Cover title.
"Issue 2, July 1, 1985."
"SOM-431A."