Din Rail 2 Channel RS485 Optical Fiber Modem

8 optical direction convergence type RS485 optical terminal equipment, with 8 SC/FC/LC optical fiber modules, can connect 8 optical directions, divided into convergence type central equipment and node equipment, the convergence end can provide a total of 1-2 RS485 interfaces.

This product solves the problems of electromagnetic interference, ground ring interference and lightning damage, improves the reliability, security and confidentiality of data communication, and can be widely used in various industrial control, process control and traffic control occasions, especially suitable for industry, power and departments and systems with special requirements for electromagnetic interference environment;

● Fiber  

Optical port：1-8

Optical Fiber：Single/Dual fiber

Fiber interface：FC/SC/ST/LC(SFP)

Wavelength: 850nm/1310nm multimode; 1310nm/1550nm single mode

Transmission distance without relay: 0~80Km

Typical transmit power:

    Single mode 100uw-0.93mw

● 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-

RS-485 4 wires: TxD+ TxD- RxD+ RxD-

RS-485 2 wires: A (for TX+) B (for TX-) Ground

RS-232: RXD TXD Signal Ground

●Environmental Index

Working temperature: -40℃—+85℃

Storage temperature: -40℃—+85℃

Working humidity: 0%—95% (non-condensing)

MTBF: >100,000 hours

● Anodized aluminum alloy shell, IP40 protection level, can withstand the test of harsh environment;

● With 8 SC/FC/LC fiber modules, it can connect 8 optical directions, divided into two types of equipment: convergence center equipment and node equipment

● The convergence end can provide a total of 1-2 RS485 interfaces, and RS232 or RS422 interfaces can also be selected.

● 1-2 serial ports are completely independent and can support the transmission of 2 physically isolated independent serial ports

● RS485 can transmit asynchronous serial port data with adaptive baud rate from 0-256kbps;

● RS485 interface lightning protection reaches IEC61000-4-5 (8/20μS) differential mode: 6KV, impedance (2Ω); common mode: 6KV, impedance (2Ω) standard;

● Meet the requirements of industrial level 4 electromagnetic compatibility;

● Super lightning protection function: lightning protection, anti-inductive high voltage, anti-surge, etc.;

● No fan, efficient heat dissipation, reducing repair time;

● Optional AC 220V, DC -48V, DC +24V, DC power supply has no positive and negative polarity, supports internal isolation, redundant dual power input;