Fiber Optical Modem


Model HY-11-218 is a sort of more function and economy HY-11-232 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 scurviness environment.


2.Function and Characteristic

  1. Support HY-11-232 interface
  2. Asynchronous, point to point, rate up to 120Kbps
  3. Support 5V Volt input, +14 or –14V Volt output,consumption 2W
  4. .Internal or external power choice.
  5. Working wavelength: 850nm(multi-mode)

                   1310nm(single mode)

  1. Auto test signal rate, zero delay auto transmit.


3. Performance guideline

Interface: support EIA HY-11-232 standard

Rate: 0-120Kbps

Transmit distance: HY-11-232 port 15m, optical port multi-mode 2KM,

single-mode 20KM

Working environment: -25? to 70?


4. Appearance guideline

Interface type: DB-9 female(HY-11-232), multi-mode choice ST/ SC/FC

interface, single-mode choice FC/SC/ST interface

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