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Western Electric 551B KSU Key Service Unit With 118A Frequency Generator For Sale
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![Western Electric 551B KSU Key Service Unit With 118A Frequency Generator Western Electric 551B KSU Key Service Unit With 118A Frequency Generator](img-large/g/6RoAAOSw~jpmiwJP/s-l1600/Western-Electric-551B-KSU-Key-Service-Unit-With-11.jpg)
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Western Electric 551B KSU Key Service Unit With 118A Frequency Generator : $300.00
Western Electric 551B “Shoebox” Key Service Unit (KSU). Complete with hard to find 118A Frequency Generator for ringing current with correct mounting bracket. Also comes with (4) 400 Type Key Telephone Units (KTUs), one for each line. (2) are Issue 15, so they will ring on any POTS line or VoIP adapter without grounded ringing. Also included is an original Western Electric power cord. Has not been tested, but I see no reason it will not work.
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