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| Item number: CIEN4-5999658 Manufacturer no.: TCF-142-M-ST-RM EAN/GTIN: n/a |
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![](/p.gif) | RS-232/422/485 to fiber slide-in modules for the NRack System The TCF-142-RM series of serial-to-fiber converters are slide-in modules that work with the TRC-190 chassis. The modules convert from the RS-232, RS-422, or RS-485 signal to a fiber optic signal.
Features: Extend RS-232/422/485 transmission up to: - 40 km with single mode; - 5 km with multi-mode. 1K or 150K ohm adjustable pull high/low resistor. “Ring" and "Point-to-Point" transmission supported. More information: Indication | LED indicators | Yes | Technical details | Host interface | RS-232/422/485 | ![](/p.gif) | Output interface | Fiber (ST) | ![](/p.gif) | RS-232 signals | GND, Rx, Tx | ![](/p.gif) | Over current protection | Yes | ![](/p.gif) | Surge protection voltage | 2 kV | ![](/p.gif) | Electrostatic Discharge (ESD) protection | 15 kV | ![](/p.gif) | Fiber optic connector | ST | ![](/p.gif) | Transmission distance (multi-mode) | 5 km | ![](/p.gif) | Wavelength | 850 nm | ![](/p.gif) | RS-422 signals | RxD+, RxD-, SGND, TxD+, TxD- | ![](/p.gif) | RS-485 signals | Data+, Data-, RxD+, RxD-, SGND, TxD+, TxD- | ![](/p.gif) | RX sensitivity | -20 dB | ![](/p.gif) | TX output | -5 dB | ![](/p.gif) | Baud rate | 921.6 Kbit/s | Operational conditions | Operating temperature (T-T) | 0 - 60 °C | ![](/p.gif) | Storage temperature (T-T) | -20 - 75 °C | ![](/p.gif) | Operating relative humidity (H-H) | 5 - 95 % | Weight & dimensions | Dimensions (WxDxH) | 86.8 x 136.5 x 21 mm | Power | Input voltage | 12 V | ![](/p.gif) | Power consumption | 150 mA | Material | Housing material | SPCC | Certificates | Certification | EN, CE, FCC, IEC | ![](/p.gif) | Safety | UL/CUL |
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