Teletypewriter Central Office, AN/MGC-17

JAN Type: AN/MGC-17
Nomenclature: Teletypewriter Central Office
Reference: TM 11-5815-205-15
NSN: 5815-00-926-0162
Components: S-169/MGC-17 Electrical Equipment Shelter (modified S-144/G), 2 ea TT-4A/TG Teletypewriter Set, 2 ea TT-76B/GGC Teletypewriter Set, 3 ea TH-5/TG Telegraph Terminal, SB-22/PT Manual Telephone Switchboard, 6 ea TA-182/U Telegraph-Telephone Signal Converter, TA-312/PT Telephone Set, 2 ea TSCE/KW-7 Communications Security Equipment.
Weight: 1400
Power Input: 155 VAC 50-60 Hz 3113 W
Replaced By: MGC-17A
Part of: MGC-17
Description: The MGC-17 is a VF telegraph switching center. It provides terminating facilities for teletypewriter traffic on secure circuits and for switching teletypewriter circuits. Facilities are also provided for tape and keyboard transmission and for tape and page reception. By using the two TT-76B's and security equipment, operation on two half-duplex or one full-duplex secure circuits is possible. The TT-4A can be used to obtain page copy of incoming messages; or, it can be used for switching circuits with the SB-22. Six signal converters (TA-182's) are provided for ringing conversion from 20 Hz to either 1,225 Hz or 1,600 Hz.
Source: Special Text 11-154-3, 1 Feb 70
Created: Sat Mar 3 19:56:39 2001
Last Modified: Sat Mar 31 14:58:06 2001


Teletypewriter Central Office, AN/MGC-17A

JAN Type: AN/MGC-17A
Nomenclature: Teletypewriter Central Office
Reference: TM 11-5815-205-15
Components: S-316/MGC-17A Electrical Equipment Shelter (modified S-318/G), 2 ea TT-98/TG Teletypewriter Set, 2 ea TT-76B/GGC Teletypewriter Set, 3 ea TH-22/P Telegraph Terminal, SB-22/PT Manual Telephone Switchboard, 6 ea CV-425/U Telegraph-Telephone Signal Converter, TA-312/PT Telephone Set, 2 ea TSCE/KW-7 Communications Security Equipment.
Weight: 1400
Power Input: 155 VAC 50-60 Hz 3113 W
Part of: MGC-17A
Description: The MGC-17A is a VF telegraph switching center. It provides terminating facilities for teletypewriter traffic on secure circuits and for switching teletypewriter circuits. Facilities are also provided for tape and keyboard transmission and for tape and page reception. By using the two TT-76B's and security equipment, operation on two half-duplex or one full-duplex secure circuits is possible. The TT-4A can be used to obtain page copy of incoming messages; or, it can be used for switching circuits with the SB-22. Six signal converters (TA-182's) are provided for ringing conversion from 20 Hz to either 1,225 Hz or 1,600 Hz.
Source: Special Text 11-154-3, 1 Feb 70
Created: Sat Mar 3 19:56:39 2001
Last Modified: Sat Mar 31 15:02:40 2001



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