Difference between revisions of "AN~MTC-1"

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[[File:AN.MTC-1 AND 1A.jpg]]
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The AN/MTC-1 and -1A were air- or vehicular-transportable manual central offices which provided switching for 196 local battery or common battery subscriber lines and 20 manual or dial trunk circuits. The AN/MTC-1 and the -1A were each housed in two shelters, the AN/MTA-3 and AN/MTA-4. The
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MTA-3 contained three parallel switchboard positions. The AN/MTA-4 housed the relays, frames, storage batteries, and power panel. The AN/MTC-1 or the -1A was used at signal centers in the corps area communication systems.
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==Major Components==
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'''AN/MTC-1''' :
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1 Shelter [[S-179]]/MTA-3 (modified [[S-141]]/G), later [[S-179]]/MTA-3A (modified [[S-141]]B/G)
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3 Switchboards [[SB-249]]A/TTC
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3 Telephone Sets [[TA-312]]/PT
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1 Shelter [[S-180]]/MTA-4 (modified [[S-141]]/G), later [[S-180]]/MTA-4A (modified [[S-141]]B/G)
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3 Main Distribution Frames [[TA-257]]/TTC
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2 Line Relays [[TA-223]]A/TTC
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1 Line Relay [[TA-226]]A/TTC
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1 Power Distribution Panel [[SB-1032]]/TTC
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4 Batteries [[BB-46]]
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3 Telephone Sets [[TA-312]]/PT
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'''AN/MTC-1A''':
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1 Shelter [[S-365]]/MTA-3B (modified [[S-280]]B/G)
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3 Switchboards [[SB-1398]]/GTA
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2 Telephone Sets [[TA-312]]/PT
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1 Shelter [[S-366]]/MTA-4B (modified [[S-280]]B/G)
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3 Main Distribution Frames [[TA-454]]/GTA-14
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2 Line Relays [[TA-452]]/GTA-14
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1 Line Relay [[TA-226]]/TTC
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1 Power Distribution Panel [[SB-1399]]/GTA
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4 Batteries [[BB-46]]
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3 Telephone Sets [[TA-312]]/PT
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2 Intercommunication Stations [[LS-147]]F/FI
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[[File:AN.MTC-1 AND 1A.2.jpg]]
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Early MTC-1 configuration (The shelters are the early version [[S-141]]/G, before the [[S-141]]B/G appeared):
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[[File:AN.MTC-1 AND 1A.3.jpg]]
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==See Also==
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[[S-179]]
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[[S-180]]
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[[AN~MTA-3A]]
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[[AN~MTA-4A]]
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[[AN~MTA-3B]]
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[[AN~MTA-4B]]
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==Reference Files==
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* TM 11-5805-284-14
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* TM 11-5805-284-15
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{{DISPLAYTITLE: AN/MTC-1}}

Latest revision as of 19:15, 14 July 2019

The AN/MTC-1 and -1A were air- or vehicular-transportable manual central offices which provided switching for 196 local battery or common battery subscriber lines and 20 manual or dial trunk circuits. The AN/MTC-1 and the -1A were each housed in two shelters, the AN/MTA-3 and AN/MTA-4. The MTA-3 contained three parallel switchboard positions. The AN/MTA-4 housed the relays, frames, storage batteries, and power panel. The AN/MTC-1 or the -1A was used at signal centers in the corps area communication systems.

Major Components

AN/MTC-1 :

1 Shelter S-179/MTA-3 (modified S-141/G), later S-179/MTA-3A (modified S-141B/G)

3 Switchboards SB-249A/TTC

3 Telephone Sets TA-312/PT

1 Shelter S-180/MTA-4 (modified S-141/G), later S-180/MTA-4A (modified S-141B/G)

3 Main Distribution Frames TA-257/TTC

2 Line Relays TA-223A/TTC

1 Line Relay TA-226A/TTC

1 Power Distribution Panel SB-1032/TTC

4 Batteries BB-46

3 Telephone Sets TA-312/PT

AN/MTC-1A:

1 Shelter S-365/MTA-3B (modified S-280B/G)

3 Switchboards SB-1398/GTA

2 Telephone Sets TA-312/PT

1 Shelter S-366/MTA-4B (modified S-280B/G)

3 Main Distribution Frames TA-454/GTA-14

2 Line Relays TA-452/GTA-14

1 Line Relay TA-226/TTC

1 Power Distribution Panel SB-1399/GTA

4 Batteries BB-46

3 Telephone Sets TA-312/PT

2 Intercommunication Stations LS-147F/FI



AN.MTC-1 AND 1A.2.jpg

Early MTC-1 configuration (The shelters are the early version S-141/G, before the S-141B/G appeared):

AN.MTC-1 AND 1A.3.jpg

See Also

S-179

S-180

AN~MTA-3A

AN~MTA-4A

AN~MTA-3B

AN~MTA-4B

Reference Files

  • TM 11-5805-284-14
  • TM 11-5805-284-15