Fiber Modem (RS232 / RS485 / RS422 Series)

1) Auto sense serial signal rate, zero delay automatic transmit
2) 500Kbps the highest rate 
3) Supply three interface (RS232/485/422)
4) Multi-mode 2km, signal-mode 20, 25, 40, 60, 100km

Specifications: 
1) Standard: EIA RS-232, RS-48, RS-422 standard 
2) RS-232 signal: In, Out, GND
3) RS-485 signal: D+, D-, GND 
4) RS-422 signal: R+, R-, T+, T-, GND
5) Fiber signal: In, Out
6) Working: asynchronism, point to point
7) Direction control: adopt automatic send data control, auto distinguish and 
control data transfer direction
8) Band rate: 0 - 500Kbps, auto serial band rate test
9) Fiber wavelength: multi-mode 850nm, signal-mode 1,310nm
10) Electricity port transmission: RS-232 port 15m, RS-485/422 port 1,200m
11) Optic port transmission: multi-mode 2km, signal-mode 20, 25, 40, 60, 100km
12) Loading: RS-485/422 port, support 32 port loop environment (or hand-tailor 
128 point)
13) Interface protection: 600W surge protection, 15kV static protection 
14) Electricity port: 8 terminal blocks
15) Optic port: multi-mode adopt ST/SC/FC connector, signal-mode adopt, 
ST/SC/FC connector
16) Operating temperature: -25 to 70°C
17) Storage temperature: -40 to 85°C
18) Relative humidity: 5% to 95%
19) Input power: 5 - 40V AC
20) Consumption: 2W
21) Dimensions (L x W x H): 100 x 69 x 22mm
22) Shell: Iron
23) Color: white 
24) Weight: 230g