AN/MTA-3
The Thelephone Switchboard Group AN/MTA-3 was together with the Thelephone Connecting and Switching Group AN~MTA-4 part of the AN~MTC-1(A). The MTA-3 contained three parallel switchboard positions
Major Components
As part of the AN/MTC-1:
1 Shelter S-179/MTA-3 (modified S-141/G)
3 Switchboard SB-249A/TTC
3 Telephone Set TA-312/PT
As part of the AN/MTC-1A:
1 Shelter S-280B/G (modified), later called S-365/MTA-3B
3 Switchboard SB-1398/GTA
2 Telephone Set TA-312/PT
See Also