AN/TTC-7
central office
Components
3 Manual Telephone Switchboards SB-249/TTC
3 Main Distribution Frames TA-257/TTC
1 Line Relay Telephone Circuit TA-223/TTC
1 Line Relay Telephone Circuit TA-224/TTC
1 Trunk Relay Telephone Circuit TA-226/TTC
1 Trunk Relay Telephone Circuit TA-276/TTC
1 Power Distribution Panel BD-132—A
References
- TM 11-2146 Telephone Central Office AN~TTC-7, Depts of the Army and Air Force, Jan.1, 1958
See Also
TTC - Transportable Telephone Communication