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TA-838A/TT FIELD TELEPHONE SET
   

RUGGEDIZED

SOLID STATE

DIGITAL COMPUTER CONTROLLED

SEVEN OPERATIONAL MODES

SELF TEST

DIAGNOSTIC FAULT LOCATION

MILITARY COMPONENTS

LOW BATTERY POWER CONSUMPTION

 
FEATURES :  
   
Meets Requirements of U.S. Military Specification MIL - T - 49110 (EL).

4 Wire or 2 Wire Local or Common Battery Mode selection for Operation with 
   AN/TTC-25, AN/TTC- 38 (V) AN/TTC-39 or SB-3614 Switching Centers.

Typical Operating Current of 300 ua On-Hook, 4 mA Ring and 1.8 mA Off-Hook 
   Extends Useful Battery Life.

Optional Automatic Tester Available for Precise Fault Location.

Input Response and Output Tone Signal Generation are Digital Computer 
   Controlled for Accuracy and Reliability.

Voice and Signal Paths have Internal Self Checking Circuits.

Component and Circuit Design, 4 Layer PC Board and Shielding Reduce Noise 
   Generation and Susceptibility.
 
   
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