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| Categories | Serial to Fiber Converter | 
|---|---|
| Brand Name: | Nufiber | 
| Model Number: | GM168SM-C20 | 
| Certification: | CE | 
| Place of Origin: | Shenzhen, China ( mainland) | 
| MOQ: | 1 pair | 
| Payment Terms: | T/T, Western Union, credit card | 
| Supply Ability: | 10000 pairs per month | 
| Delivery Time: | 1-3 working days after payment | 
| Packaging Details: | Carton packaging, the products are packed in international standard. Each carton is lined with a polythene sheet, thus preventing the cartons from dampness | 
| Fiber Type: | MM Duplex | 
| Distance: | 2km | 
| Interface: | RS232/422/485 | 
| Fiber Connector: | ST/SC/FC | 
| Warranty: | 1 year | 
Serial to Fiber Converter RS485/422/232 Fiber Modem SM Duplex 20km
GM168SM-C20
Overview
Model 168 is a sort of more function and economy RS-232/485/422
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 scurviness environment.
Function and Characteristic
a) Support RS-232/RS-485/RS-422 interface
b) Asynchronous, point to point, rate up to 120Kbps
c) Support 9V~40V DC Volt input, consumption 2W
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
Performance guideline
Interface: support EIARS-232, 485, 422 standard
Rate: 0-500Kbps
Transmit distance: RS-232 port 15m, RS-485/422 port 1500m, optical
port multi-mode 2KM, single-mode 20KM
Working environment: 0℃ to 60℃
Appearance guideline
Interface type: 8 bit terminal block, 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
Power interface
GND --------- Ground
DCIN --------- 9-40V input
Optical fiber interface
IN --------- Optical fiber input
OUT --------- Optical fiber output
RS-485/422 port
T+/D+ --------- RS-422 Send +/ RS-485 +
T-/D- --------- RS-422 Send -/ RS-485-
R+ --------- RS-422 Received +
R- -------- RS-422 Received –
GND --------- Ground
RS-232 port
IN --------- RS-232 input
OUT --------- RS-232 output
GND --------- Ground
Indicator light explain
Power: Power indication
RxD: Optical fiber interface receive indication
TxD: Optical fiber interface send indication
Applications
Products




Ordering information
| Model No. | Specification | 
| GM168MM-C2 | RS232/485/422 TO FIBER,Multimode dual | 
| GM168SM-C20 | RS232/485/422 TO FIBER,Single mode dual fiber,20KM,SC | 
| GM168SM-C40 | RS232/485/422 TO FIBER,Single mode dual fiber,40KM,SC | 
| GM168SM-C20/B1B2 | RS232/485/422 TO FIBER,Single mode single fiber,20KM,SC | 
| GM168SM-C40/B1B2 | RS232/485/422 TO FIBER,Single mode single fiber,40KM,SC | 
Packaging and shipping

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