MODEL 218 RS-232 serial Serial Optic Fiber MODEM

1. Summarize

Model 218 is a sort of more function and economy RS-232 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.

2. Function and Characteristic

a) Support RS-232 interface

b) Asynchronous, point to point, rate up to 120Kbps

c) Support 5V DC input, consumption 2W

d) Internal or external power choice

e) Working wavelength:  1310nm

f) Auto test signal rate, zero delay auto transmit

3. Performance guideline

Interface: support EIARS-232 standard

Rate: 0-120Kbps

Transmit distance: Rs-232 port multi-mode 2KM, single-mode 20KM

Working environment: -25℃ to 70℃

4. Appearance guideline

Interface type: DB-9 female (RS-232), multi-mode choice ST/SC/FC interface,single-mode choice FC/SC/ST interface

L*W*H: 100mm*69mm*22mm

Shell: Iron

Colour: White

Weight: 230g

5. Pin define

Power interface

DCIN   ---------   5V input RS-232 port

IN       ---------   RS-232 input

OUT    ---------   RS-232 output

GND    ---------   Ground

Optical fiber interface

IN      ---------   Optical fiber input

OUT   ---------   Optical fiber output

6. Indicator light explain

Power: Power indication

RxD: Optical fiber interface receive indication

TxD: Optical fiber interface send indication

7. Application