Difference between revisions of "AN~MTC-9"
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The Manual Telephone Central Office AN/MTC-9 was an air- or vehicular-transportable manual central office | The Manual Telephone Central Office AN/MTC-9 was an air- or vehicular-transportable manual central office | ||
which provided switching for 596 local battery or common battery subscriber 1ines and 60 manual or dial trunk circuits. The AN/MTC-9 was housed in two semitrailer vans, the [[AN~MTA-5]] and the [[AN~MTA-7]]. The AN/MTA-5 contained the relays, frames, storage batteries, and power panel. The AN/MTA-7 housed nine switchboards cabled in a four-panel multiple arrangement. The AN/MTC-9 was used at army signal centers in an area type communications system. | which provided switching for 596 local battery or common battery subscriber 1ines and 60 manual or dial trunk circuits. The AN/MTC-9 was housed in two semitrailer vans, the [[AN~MTA-5]] and the [[AN~MTA-7]]. The AN/MTA-5 contained the relays, frames, storage batteries, and power panel. The AN/MTA-7 housed nine switchboards cabled in a four-panel multiple arrangement. The AN/MTC-9 was used at army signal centers in an area type communications system. | ||
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| + | [[File:AN.MTC-9.jpg]] | ||
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| + | ==Major Components== | ||
| + | |||
| + | AN/MTA–5: | ||
| + | |||
| + | 7 Main Distribution Frame [[TA-257]]/TTC | ||
| + | |||
| + | 6 Line Relay Circuit [[TA-223]]A/TTC | ||
| + | |||
| + | 3 Trunk Relay Circuit [[TA-226]]A/TTC | ||
| + | |||
| + | 4 Telephone Set [[TA-312]]/PT | ||
| + | |||
| + | 2 Power Distribution Panel [[SB-1032]]/TTC | ||
| + | |||
| + | 4 Battery [[BB-46]] | ||
| + | |||
| + | 1 Air Conditioner | ||
| + | |||
| + | 1 Semitrailer Van [[M-348]]A2 (modified) | ||
| + | |||
| + | AN/MTA-7: | ||
| + | |||
| + | 9 Manual Telephone Switchboard [[SB-249]]A/TTC | ||
| + | |||
| + | 4 Telephone Set [[TA-312]]/PT | ||
| + | |||
| + | 1 Air Conditioner | ||
| + | |||
| + | 1 Semitrailer Van [[M348]]A2 (modified) | ||
==Reference File== | ==Reference File== | ||
* TM 11–5805–288–15 | * TM 11–5805–288–15 | ||
| + | |||
| + | ==See Also== | ||
| + | |||
| + | [[MTC - Mobile Telephone Communicaton]] | ||
| + | |||
| + | [[5805]] | ||
Latest revision as of 11:07, 28 June 2019
The Manual Telephone Central Office AN/MTC-9 was an air- or vehicular-transportable manual central office which provided switching for 596 local battery or common battery subscriber 1ines and 60 manual or dial trunk circuits. The AN/MTC-9 was housed in two semitrailer vans, the AN~MTA-5 and the AN~MTA-7. The AN/MTA-5 contained the relays, frames, storage batteries, and power panel. The AN/MTA-7 housed nine switchboards cabled in a four-panel multiple arrangement. The AN/MTC-9 was used at army signal centers in an area type communications system.
Major Components
AN/MTA–5:
7 Main Distribution Frame TA-257/TTC
6 Line Relay Circuit TA-223A/TTC
3 Trunk Relay Circuit TA-226A/TTC
4 Telephone Set TA-312/PT
2 Power Distribution Panel SB-1032/TTC
4 Battery BB-46
1 Air Conditioner
1 Semitrailer Van M-348A2 (modified)
AN/MTA-7:
9 Manual Telephone Switchboard SB-249A/TTC
4 Telephone Set TA-312/PT
1 Air Conditioner
1 Semitrailer Van M348A2 (modified)
Reference File
- TM 11–5805–288–15