Fiber Modem RS485/422/232 to Fiber Extender Serial to Fiber Optic Converter Duplex ST SM 20km DC24V Power Supply



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

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

Applications


Products

Ordering information

Packaging and shipping

Shenzhen Nufiber Systems Technology Co., Ltd. Established in June, 2003,is a professional manufacturer and exporter which mainly engaged in fiber optic equipment and HD network transmission devices. Headquartered in Shenzhen, it also has offices in Hangzhou, Kunming. The business and customers are located in more than 20 countries and regions.

We are committed to providing customers around the world to provide comprehensive products, the latest technology and professional services to help customers to build high-quality network platform, combined with the actual needs of customers, and providing individualized to meet customer demand for a comprehensive solution.

In recently years, relying on the R & D strength of itself and Huazhong University of Science and Technology, the company has owned many creative products and patented technology such as Optical Transceiver Module, Fiber Media Converters, Industrial Switches, Digital video fiber converter, IP Ethernet Coaxial extender, POE switch, DVI/HDMI fiber optic extender and others. Now, with the growth of the industry development, it has maintained annual average increasing rate of 30%. At present, the company has been the famous supplier in HD transmission industry. It has lots of customers and cases in security monitoring and professional audio and visual industry…

Now, the company has quickly stood among the forefront of domestic HD transmission suppliers with strong R & D strength and competitive marketplace. In the future, the company will keep sustainable innovation to promote HD transmission change, and create new business value for our users.