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FM280 RS231/485/422 serial optic fiber modem

Overview
Fm280 is a RS-232/RS-485/RS-422 serial fiber modem, designed for industrial standard. The hanging designs support DIN-rail installation. Now many users choose RS-232/RS-485/RS-422 serial fiber modem to solve electromagnetic interface and extend RS-232/RS-485/RS-422 serial transmission distance to 2km (multi-mode fiber) or up to 20/ 40/60km (single- mode fiber).
 
FM280 can provide port to port transparent transmission among RS-232/RS-485/RS-422 serial ports. It transmits the optical signal through fiber cable, so it has anti-jamming function, and also surge protection function.

Features

• Auto sense serial signal rate, zero delay automatic transmit;
• Adopt automatic send data control, auto distinguish and control data transfer direction;
• Supply two interfaces (RS485/422);
• Operation wavelength: 850nm (multi mode), 1310nm (single mode);
• Transmission distance: Multi-mode 2KM, signal-mode 20KM, 40KM;
• Power supply: 5~40V DC (outside power), or 85~265V AC (inside power);
• Providing surge protection and 15KV static protection.

Technical Specification

Standard	E1A RS-232, RS-485
RS-232 signal	IN, OUT, GND
RS-485 signal	RS-485 signal
RS-422 signal	R+, R-, T+, T-, GND
Fiber signal	IN, OUT
Working mode	synchronisms, point to point or multi-point
Band rate	0-500Kbps, auto monitoring signal rate
Fiber wavelength	Multi-mode 850nm, signal-mode 1310nm
Electricity port transmission distance	RS-232: 15m; RS-485/422: 1200m
Optic port transmission distance	Multi-mode 2KM, signal-mode 20, 40
Load ability	RS-485/422 port Support 32 nodes (128 nodes for subscriber)
Optical connector	Multi-mode: SC; ?Single-mode: FC
Interface protection	600W surge protection, 15KV static protection
Operating temperature	－25℃～70℃
Storage temperature	－40℃～85℃
Humidity	5%~95%
Input power	5~40V, wide voltage
Power consumption	2W
Dimension	100mm(length)﹡69mm(width) ﹡22mm(height)
Figure	Ferric figure
Color	Black
Weight	230g
Input power	5-40VAC
Power Consumption	2W