Embedded Files
ASU 1A1/SA20452 EXCH 4 PORT +SPM- 374433
ASU 1A2/SA20452 EXCH 4 PORT - 374455
ASU 1A4/SA20452 EXCH 4 PORT - 391304
ASU 1A3/SA20452 EXCH 4 PORT + SPM- 391303
4 port Exchange line Unit with SPM
4 port Exchange line Unit with SPM
(Subscriber pulse metering)
(Subscriber pulse metering)
ASU1A5 / SA20452
Made by GEC in 1986
Firmware Improvements M 4XCH 1.5
Firmware Improvements M 4XCH 1.5
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