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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

Ordering

For more information

For assistance with this product or to request a user manual please contact Technical Support.