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Field telephone

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  • Model Number :DH-132 & DH-123A

Description

Purpose and use
The TA-312/PT is a two-wire. battery-operated field telephone it may be used in a simple point-to point voice frequency (vf) wire communication link any two-wire rundown subscriber position of a telephone communication system.
Technical Character
  • Voltage requirements : 3 volts D.C. (BA-30)
  • Frequency range : 300∼3.200 Hz
  • Signaling
    - Frequency -----------20 Hz
    - Voltage --------------- 90∼100 volts
  • Station-to-station
  • Net Weight : 4.35 Kgr
Wire description and type or gage
Maximum distance (miles)
Field Wire WD-1/TT
Wet ------ 14. Dry ----- 22
Field Wire WD-14/TT
Loaded --- 22. Dry ----- 14
Spiral-for cable CX-1065/G
29
Lead-covered cable, 19-gage
30
Open-wire lines, W-2 #14 AWG copper
230
Open-Wire lines, W-74 #12 AWG copper
520

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  • Field telephone

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Field telephone

Field telephone

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  To Mr. Myungtaek Shim
Kangseo Electornnics Co., Ltd.
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Category : Corded Telephones
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