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TC1900

Async RS-232 Telephone Extender

TC1900
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Features

The TC1900 "Quick-Talk" Phone Extender extends voice over Async RS-232 into a voice network by plugging in an analog telephone. It’s compatible with most PBXs and Key Systems, and provides 2-wire FXS on the telephone side with ring down capability and FXO on the PBX side.

  • Extend Telephone Link with Async RS-232
  • 19.2k, 38.4k, 48k Async Baud Rates
  • PBX and Key System Compatible, FXO/FXS Selectable
  • Voice Bandwidth from 300Hz to 3.4Khz for Toll Quality Sound
  • Built-In Dry Contact Relay for External Alarm and Ringer Connection
  • 12VDC Power Supply, Optional 24VDC, -48VDC, 125VDC or 115/230VAC with Power Adapter
  • Built-In Power Redundancy
  • Rackmount or Standalone
  • Tested and Compatible with:
    code blue ramtel talk a phone

The TC1900 is most often used to extend telephone service in campus networks, power plants and substations or as an existing service data channel to set up a telephone link.

Applications

The TC1900 is often used to extend telephone service in campus networks, power plants, substations, etc., or use an existing service data channel to set up a telephone link. It is also used to set up “hot” telephone service via existing RS-232 links on satellite or microwave networks.

TC1900 - Async RS-232 Telephone Extender
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Specifications

Audio Bandwidth
  1. Frequency300Hz to 3.4Khz
Electrical
  1. Phone ConnectorRJ11 Female
  2. Ring Voltage70Vrms at 20Hz (Depending on the ringing load)
  3. FXO Input Impedance600 Ω
  4. FXS Output Impedance600 Ω
  5. RS-232 ConnectorRJ11 Female
  6. Baud Rate19.2k, 38.4k, 48k
  7. Future Release32k, 56k, 57.6k, 64k
Visual Indicators
  1. Tx and Rx volume, Local off-hook, Remote off-hook,Yes
  2. FXO, FXS, Ring, Optic Rx, Electric Rx, VccA, VccB, PWR A, PWR BYes
Alarm
  1. Dry ContactNormal OPEN
Power
  1. Standard12VDC @ 400mA
  2. Optional24VDC, -48VDC, 125VDC or 115/230VAC with Power Cube
Temperature
  1. Operating-10°C to 50°C
  2. Hi-Temp (optional)-20°C to 70°C
  3. Extreme (optional)-40°C to 80°C
  4. Storage-40°C to 90°C
  5. Humidity95% non-condensing
Physical (Rackmount Unit)
  1. Height(3.53 cm) 1.4"
  2. Width(18.14 cm) 7.2"
  3. Depth(24.89 cm) 9.8"
  4. Weight(907 gm) 2.0 lbs

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