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==
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AN/MTA–5:
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7 Main Distribution Frame [[TA-257]]/TTC
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6 Line Relay Circuit [[TA-223]]A/TTC
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3 Trunk Relay Circuit [[TA-226]]A/TTC
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4 Telephone Set [[TA-312]]/PT
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2 Power Distribution Panel [[SB-1032]]/TTC
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4 Battery [[BB-46]]
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1 Air Conditioner
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1 Semitrailer Van [[M-348]]A2 (modified)
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AN/MTA-7:
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9 Manual Telephone Switchboard [[SB-249]]A/TTC
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4 Telephone Set [[TA-312]]/PT
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1 Air Conditioner
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1 Semitrailer Van [[M348]]A2 (modified)
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==Reference File==
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* TM 11–5805–288–15
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==See Also==
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[[MTC - Mobile Telephone Communicaton]]
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[[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.

AN.MTC-9.jpg

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

See Also

MTC - Mobile Telephone Communicaton

5805