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Broadcast Tools STA III Plus - Smart Telephone auto coupler

Broadcast Tools STA III

 

Overview

The STA-III provides a convenient interface between a telephone line and the users equipment. A short list of the features is presented below.

 

Features:

 

  • Auto-answer and auto-disconnect via CPC (calling party control) and/or long dial tone hang up signals, allowing use behind PBX telephone switches and POTS lines.
  • Front panel, plus remote line seize and drop control for manual operation.
  • Remote line busy input.
  • Electronic telephone hybrid.
  • Remote controllable send and receive audio switcher.
  • Balanced bridging audio input with automatic signal limiter with front panel level control.
  • Balanced low Z audio output with front panel level control.
  • Front panel LEDs display power, ring, valid DTMF tone.
  • Two remote controllable SPST relays.
  • External hook relay activates when a valid access code is accepted. 
  • Momentary SPST relay for End Of Call.
  • User programmable number of rings before auto-answer.
  • User programmable up to ten-digit access code, if required.
  • User defeatable beep tones on line seize.
  • All connections via screw terminals.
  • Loop-thru jack. (This is where you would connect your business telephone system if you were sharing the line.)
  • The STA-III's attractive painted metal chassis may be set on a desktop, mounted on a wall or as part of the new optional RA-1 rack shelf for mounting up to three units in 1-RU.

 

Applications

Phone line coupling

 

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