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RS232 Fiber Optic Modem ("Pocket Rocket"; Async/Sync)

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Compact and versatile, the TC1100 "Pocket Rocket" synchronous & asynchronous RS-232 fiber modem is ideal for point-to point network connectivity applications.

Notice: Product End of Life
(08/19/2020) for new applications use TC1705

The TC1100 is “DCE” only and supports external synchronous data transmission up to128 Kbps and all popular internal clock rates (switch-selectable) including 2.4K, 4.8K, 9.6K, 38.4K, 64K, 128K. It supports asynchronous data rates up to 64 Kbps.

  • Data Rates up to 115 Kbps
  • Selectable Internal Clock or Slave Clock
  • DCE Only
  • Hardened Temperature Version (-20°C to 70°C) (optional)
  • Multimode or Single Mode (850/1300/1550nm)
  • Five Troubleshooting LEDs
  • Sturdy Compact Metal Case


Notice: Product End of Life
(08/19/2020) for new applications use TC1705

Typical applications include linking remote terminals or printers to host computers, tail circuits to existing multiplexers and extending data communications links. Fiber Optic Modems are also ideal for connecting data communications devices in harsh manufacturing or outdoor environments here EMI or RFI interference, ground loops and lightning are prevalent.

TC1100 - Sync/Async RS-232 Fiber Optic Modem
Click to enlarge


Notice: Product End of Life
(08/19/2020) for new applications use TC1705
Data Rates
  1. Asyncup to 115 Kbps
  2. Syncup to 128 Kbps
Internal Clock
  1. User-Selectable2.4K, 4.8K, 9.6K, 19.2K, 38.4K, 64K, 128K
  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. ConnectorDB25 Male
  2. Interface(DCE ONLY) RS-232
  1. Bit Error Rate1 in 109 or Better
Visual Indicators
  1. LEDsDC, RxD, TxCLK, TxD, SYNC
  1. Standard12VDC @250mA
  2. Optional115/230VAC (with External 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(2.24 cm) 0.88"
  2. Width(10.05 cm) 3.96"
  3. Depth(7.77 cm) 3.06"
  4. Weight(104.0 gm) 3.67 oz
* 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.