RS485 RS422 Serial To Fiber Converter SM Duplex 1310nm Fiber Modem
Serial to fiber Converter RS485/422 to Fiber Optic Converter SM Duplex 1310nm Fiber Modem
Description
Model 268 is a sort of more function and economy RS-485/422 interface optic fiber MODEM. It is the best choice to connect RTU to HOST or SCADA controller. It used Optic fiber as transfer medium, increase the transfer function of system. Communication equipment abstain menace effective to lightning strike, surge, electromagnetism disturb under the secure environment.
Performance guideline
Interface: support EIA RS-485, RS-422 standard
Rate: 0-120Kbps
Transmit distance: RS-485/422 port 1200m, optical port multi-mode 2KM, single-mode 20KM
Working environment: -25℃ to 70℃
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Appearance guideline
Interface type: 5 bit terminal block (RS-485/422), multi-mode choice ST/SC/FC interface, single-mode choice FC/SC/ST interface
L*W*H: 100mm*69mm*22mm
Shell: Iron
Color: White
Weight: 230g
Pin define
Optical fiber interface
IN --------- Optical fiber input
OUT --------- Optical fiber output
RS-422 port
T+ --------- RS-422 Send +
T- --------- RS-422 Send -
R+ --------- RS-422 Received +
R- -------- RS-422 Received –
GND --------- Ground
RS-485 port
D+ --------- RS-485+
D- --------- RS-485-
GND --------- Ground
Indicator light explain
Power: Power indication
RxD: Optical fiber interface receive indication
TxD: Optical fiber interface send indication
Function and Characteristic
a) Support RS-485/RS-422 interface
b) Asynchronous, point to point, rate up to 120Kbps
c) Support 5V DC power input
d) 1500W surge protection, 15KV static protection
e) RS-485/422 port support 32 node (can choice hand-tailor 128 Node)
f) Working wavelength: 1310nm
g) Auto test signal rate, zero delay auto transmit
Applications
Products
Ordering Information
| Model No. | Specification |
| GM268MM-C2 | RS485/422 TO FIBER,Multimode dual fiber,2KM,SC |
| GM268SM-C20 | RS485/422 TO FIBER,Single mode dual fiber,20KM,SC |
| GM268SM-C40 | RS485/422 TO FIBER,Single mode dual fiber,40KM,SC |
| GM268SM-C20A/B | RS485/422 TO FIBER,Single mode single fiber,20KM,SC |
| GM268SM-C40A/B | RS485/422 TO FIBER,Single mode single fiber,40KM,SC |
Packaing and shipping
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RS485 RS422 Serial To Fiber Converter SM Duplex 1310nm Fiber Modem Images
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