Table 1-1. Tactical telephones and switchboards.
a. Local-battery telephones.
(1) TA-1/PT is a lightweight, waterproof, sound-powered telephone. It is found at the infantry
squad level. The TA-1 telephone can interface with any battery-powered telephone or switchboard. The
infantry squads used the TA-1/PT for internal communications and to link with the platoon headquarters
element (See Appendix A, Figure A-1.)
(2) TA-312/PT is a 2-wire battery-operated field telephone. It can operate both in the local-
battery or common-battery mode. The units can use the TA-312/PT or the TA-43/PT in a point-to-point
wire system or in any 2-wire ringdown communication system. The TA-312/PT and the TA-43/PT are
the two primary telephones used by the maneuver battalions. (See Appendix A, Figure A-2.)
(3) TA-341/TT is a 4-wire telephone. It can operate on local-battery or common-battery mode.
The TA-341/TT can be used with an automatic analog switchboard or in a point-to-point configuration.
Most of the TA-341/TTs found today are assigned to the Reserve Components. Initially, the TA-341/TT
telephones were issued to Corps Area Signal Battalion with the AN/TTC-38 switchboard. (See
Appendix A, Figure A-3.)
SS 0029
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