What is the serial data fiber modem?

Time : Nov. 18, 2022    View : 56

What’s the serial data fiber modem

The serial data fiber optical modem is a communication product for RS232/RS422/RS485 serial port data to transmit data through optical fiber media.

serial rs485/rs232/rs422 to fiber optic converter

Application field of serial data fiber modem

The serial data fiber modem is widely used in various industrial control, distributed data acquisition, and other occasions, especially suitable for power system automation, traffic control, and other departments.


Technical parameters of serial data fiber modem

Standard: Comply with EIA RS-232, RS-485, RS-422 standard

RS-232 Signals: TX, RX, GND

RS-485 signal: D+, D-, GND

RS-422 signal: R+, R-, T+, T-, GND

Receive sensitivity: better than -36dBm (BER<e-11)

Working mode: asynchronous work, point-to-point or multi-point, 2-wire half-duplex, 4-wire full-duplex

Direction control: using data flow automatic control technology to automatically determine and control the direction of data transmission

Baud rate: 300-115200bps, automatic detection of serial signal rate

Load capacity: support 32-point polling environment (128 points can be customized)

Transmission distance: RS-485/422 end 3000 meters (at 9600bps), RS-232 end is recommended not to exceed 5 meters

Interface protection: 1500W surge protection, 15KV electrostatic protection

Interface characteristics: meet ITU-T V.24 standard

Interface form: RS-232 DB-9 female head, RS-485/422 DB-9 male head, RJ45 socket or 5-position terminal block

Working temperature: -20℃~60℃

Storage temperature: -25℃~85℃

Relative humidity: 5%~95%

Input power supply: 9V power supply

Power consumption: static power consumption within 120mA, dynamic power consumption average within 300mA