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RS485 RS422 Serial To Fiber Converter

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RS485 RS422 Serial To Fiber Converter

Brand Name : Nufiber

Model Number : GM268SM-T20A/B

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 packaing, the products are packed in international standard. Each carton is lined with a polythene sheet , thus preventing the cartons from dampness

Fiber Type : SM Bidi

Distance : 20km

Interface : RS485/422

Fiber Conector : ST/SC/FC

Warranty : 3 years

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Serial to Fiber Converter RS485/422 Fiber Modem SM Bidi 20km GM268SM-T20A/B


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.


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


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


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


Applications


Products



Ordering Information


Model No.Specification
GM268MM-C2RS485/422 TO FIBER,Multimode dual fiber,2KM,SC
GM268SM-C20RS485/422 TO FIBER,Single mode dual fiber,20KM,SC
GM268SM-C40RS485/422 TO FIBER,Single mode dual fiber,40KM,SC
GM268SM-C20/B1B2RS485/422 TO FIBER,Single mode single fiber,20KM,SC
GM268SM-C40/B1B2RS485/422 TO FIBER,Single mode single fiber,40KM,SC

Packaing and shipping



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