179 Division - Signaling & Ringing Circuits

Signaling Circuits ans Associated Ringer Circuits

Documents

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179-306-101 I1 179-306-101 I1

Date added: 02/09/2012
Date modified: 02/09/2012
Filesize: 995.04 kB
Downloads: 397

Contributed by Russ Kirk.

179-000-000 I66 179-000-000 I66

Date added: 01/16/2012
Date modified: 01/16/2012
Filesize: 194 kB
Downloads: 515
Contributed by Sam Etler .

179-306-101-h-se 179-306-101-h-se

Date added: 11/16/2009
Date modified: 11/16/2009
Filesize: 5.06 MB
Downloads: 711

Multichannel Tone Test Unit - SD-7C004-01 - Description,
Issue 1, Oct. 1975

"1.02 The MTTU has the capability of monitoring a maximum of 100 trunks
for the presence of unauthorized 2600-Hz tone signals."

179-306-101-se 179-306-101-se

Date added: 11/16/2009
Date modified: 11/16/2009
Filesize: 995.04 kB
Downloads: 566

Multichannel Tone Test Unit - SD-7C004-01 - Description,
Issue 1, Oct. 1975

"1.02 The MTTU has the capability of monitoring a maximum of 100 trunks
for the presence of unauthorized 2600-Hz tone signals."

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