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TC1903

Fiber Optic Telephone/Analog Extender (w/ 1-Fiber Bi-Directional Option)

TC1903
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Features

Packaged in a small, modem-sized form factor, the TC1903 "Quick-Talk" Fiber Optic Phone/Analog Extender extends analog and POTS telephone service to remote sites.

It is compatible with most PBXs or Key Systems and provides 2-wire FXS on the telephone side with ring down capability and FXO on the PBX side.

  • Extend Telephone or 2/4-Wire Analog 600Ω Link with Fiber
  • PBX and Key System Compatible
  • 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
  • High Temp or Extreme Temp Options
  • Rackmount or Standalone
  • Tested and Compatible with:
    code blue ramtel talk a phone

Applications

The TC1903 is often used to extend telephone/analog service in campus networks, power plants, substations, etc or use an existing service data channel to set up a telephone/analog link. It is also used to set up "hot" telephone service via fiber optic networks. Other applications include taking advantage of the inherent benefits of fiber optics to reduce noise/EMI or maximize security/isolation.
TC1903 - Fiber Telephone Extender
Click to enlarge

Specifications

Audio Bandwidth
  1. Bandwidth300Hz to 3.4Khz
Optical
  1. TransmitterLED/ELED
  2. ReceiverPIN Diode
  3. Wavelength850nm/1300nm Multimode, 1300nm/1550nm Single Mode
  4. Fiber Optic ConnectorsST or SC
  5. Loss Budget * - 850/1300/1550nm
  6. Multimode @62.5/125µm15dB
  7. Single Mode @9/125µm20dB
Electrical
  1. Phone ConnectorRJ11 Female
  2. Ring Voltage55Vrms at 25Hz (Depending on the ringing load)
  3. FXO Impedance600Ω
  4. FXS Impedance600Ω
Visual Indicators
  1. Tx and Rx volume, Local off-hook, Remote off-hook, FXOYes
  2. FXS, Ring, Optic Rx, Electric Rx, VccA, VccB, PWR A, PWR BYes
Alarm / Ring
  1. Dry ContactNormal OPEN
Power
  1. Standard12VDC @500mA
  2. Optional24VDC, -48VDC, 125VDC, or 115/230VAC with Power Cube
Temperature
  1. Operating-10°C to 50°C
  2. Optional-20°C to 70°C
  3. Storage-40°C to 90°C
  4. Humidity95% non-condensing
Physical (Standalone Unit)
  1. Height(3.53 cm) 1.39"
  2. Width(18.13 cm) 7.14"
  3. Depth(16.59 cm) 6.53"
  4. Weight(544 gm) 1.2 lbs
* Contact factory for higher requirements

Ordering

For more information

Product version may differ from current manual. For assistance or proper manual version please contact Technical Support.