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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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