AN~MTA-4
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Telephone Connecting and Switching Group
MAJOR COMPONENTS
1 Shelter, Electrical Equipment S-180/MTA–4.
3 Main Distribution Frame, Telephone TA–454/GTA–14 (V)
1 Panel, Power Distribution SB-1399/GTA-14 (V).
2 Telephone Circuit, Line Relay TA—452/GTA–14 (V).
1 Telephone Circuit, Trunk Relay TA—453/GTA–14 (V).
2 Telephone Set TA-312/PT.
1 Terminal Box TA-125/GT