8 Channels RS485/RS232/RS422 to Fiber Optic Converter

8 channels RS232/485/422 fiber modem provides 8-Channel RS232/485/422 transmission on fiber. The product breaks through contradictions between traditional serial interface communication distance and communication rate, besides, it also can solve electromagnetic interference, ground ring interference, and lightning damage. The device greatly improves the reliability, security, and confidentiality of data communication. It is widely used for various industrial control, process control, and traffic control occasions, especially for banks, power, other sectors, and systems that have special requirements of electromagnetic interference environment. RS232/RS485/RS422 channel can transmit adaptable serial data asynchronously at 0Kbps-115200Kbps baud rate.

● Based on self-copyright IC 

● Support 3 line RS232 (TXD, RXD, GND), support for flow control CD, DSR, CTS

● Have three Loop Back Mode: E1 interface Loop Back (ANA)、RS232/485/422 interface Loop Back(DIG)、Command the remote RS232/485/422 interface Loop Back(REM)

● RS232/RS485/RS422 supports hot-plug, supports DTE or DCE device interconnection 

● RS232/RS485/RS422 channel can transmit adaptable serial data asynchronously 0Kbps-57600Kbps baud  rate

● Have pseudo-random code test function, easily line opened, can be used as a 2M BER Tester

● Serial port interface lightning-protection reached IEC61000-4-5 (8/20μS) DM(Differential Mode): 6KV,  Impedance (2 Ohm), CM(Common Mode): 6KV, Impedance (2 Ohm) standard

● AC 220V, DC-48V, DC+24V, DC Power and Polarity-Free

● Fiber

Multi-mode Fiber

50/125um, 62.5/125um,

Maximum transmission distance: 5Km @ 62.5 / 125um single mode fiber, attenuation (3dbm/km)

Wave Length: 820nm

Transmitting power: -12dBm (Min) ~-9dBm (Max)

Receiver sensitivity: -28dBm (Min)

Link budget: 16dBm

Single-mode Fiber

8/125um, 9/125um

Maximum transmission distance: 40Km

Transmission distance: 40Km @ 9 / 125um single mode fiber,attenuation (0.35dbm/km)

Wave Length: 1310nm

Transmitting power: -9dBm (Min) ~-8dBm (Max)

Receiver sensitivity: -27dBm (Min)

Link budget: 18dBm

● Serial interface 

Standard

    EIA/TIA-232 RS-232 (ITU-T V.28)

    EIA/TIA-422 RS-422 (ITU-T V.11)

    EIA/TIA-485 RS-485 (ISO/IEC8284)

    Serial Interface

    RS-422: TXD+, TXD-, RXD+, RXD-, Signal Ground

    RS-485 4 wires: TXD+, TXD-, RXD+, RXD-, Signal Ground

    RS-485 2 wires: Data+(Correspond TX+), Data-（Correspond TX-）, Signal Ground

    RS-232: RXD, TXD, Signal Ground

● Working environment

Working temperature: -10°C ~ 50°C

Working Humidity: 5%~95 % (no condensation)

Storage temperature: -40°C ~ 80°C

Storage Humidity: 5%~95 % (no condensation)