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T1 / E1 Fiber Optic Modem (Rackmount & Standalone)

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The TC1630R/S Standalone/Rackmount Fiber Optic T1 Modem / E1 Modem provides T1 and E1 network connectivity for linking Channel Banks, PBXs etc. to distances up to 80km.

Featuring low current consumption and high reliability, the TC1630R/S Fiber T1 Modem / E1 Modem comes in standalone or rack mount chassis options and offers advanced features such as Jitter Removal, Multiple LEDs and a replaceable Line Interface Module.

  • Distances up to 80km
  • Power/Optical Redundancy
  • Local & Remote Loopback
  • Extensive trouble-shooting LED Indicators
  • No Jitter
  • Multimode & Single Mode (850/1300/1550nm)
  • One Fiber Bi-Directional Fiber Optic Option
  • Low Current Consumption
  • Replaceable Line Interface Module
  • Local Dry Contact Alarm Relay
  • RJ45 (RJ48C) and Detachable Terminal Block Connectors


The TC1630R/S Fiber Optic T1/E1 Modem is typically used to link Channel Banks, PBX’s, and M13 Multiplexers to DSX-1 Cross Connects. It is also used to link Customer Premises Equipment to CSU/DSUs and with metallic medium T1/E1 multiplexers to transmit over fiber optic cable.
TC1630R/S - T1/E1 Fiber Optic Modem
Click to enlarge


Data Rates
  1. T11.544 Mbps
  2. E12.048 Mbps
  1. TransmitterLED/ELED
  2. ReceiverPIN Diode
  3. Wavelength850/1300nm MM, 1300/1550nm SM
  4. Fiber Optic ConnectorsST, Optional FC
  5. Loss Budgets * - 850/1300/1550nm
  6. Multimode @62.5/125µm15dB
  7. Single Mode @9/125µm20dB
  1. InterfaceT1 or E1 (G.703)
  2. T1 Connector (100 ohm)Detachable Terminal Block
  3. E1 Connector (120 ohm)Detachable Terminal Block
  4. E1 Connector (75 ohm)Detachable Terminal Block & BNC Cable
Visual Indicators
  1. System StatusPower, Alarm
  2. T1/E1 StatusO-SYNC, BPV, AIS, T1/E1 OK, RMT1-0, RMTLB
  1. Bit Error Rate1 in 1010 or Better
Diagnostic Functions
  1. Local & Remote LoopbackYes
  1. Standard12VDC @ 250mA
  2. Optional24VDC, -48VDC or 115/230VAC (with Power Cube)
  1. Operating-10°C to 50°C
  2. Hi-Temp (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) 1.4"
  2. Width(18.14 cm) 7.2"
  3. Depth(16.57 cm) 6.6"
  4. Weight(635 gm) 1.4 lbs
* Contact factory for higher requirements


For more information

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