Optical Transceiver 20KM 2CH Video, 1CH Backward or Bi-directional Semiduplex RS485 Data 3 Levels Lightning Proof, Dual Powe 2CH Video Optical Transceiver 

                                                                                                                                               

Support Max. 20CH 232/485/CAN cable, 16CH Audio, 16CH Switching Values, 8CH Telephone, 49 Connectors, 1CH Independent Ethernet, Internet Management, 3 Levels Lightning Proof, Dual Power Input, Power Connection Protect. Serveral units combinable in a big cabinet. Aluminium case. Enhanced Functions.

Remarks:
1, Every unit includes a transmitter, a receiver and related accessories. Pls note following:
2, Power adaptors included in quotation, 220V AC default. Pls notify if you need different power supply;
3,  OEM accepted if you need special design;
4, Transmission distance selectable: 2KM / 20KM / 40KM / 80KM/ 100KM. Default distance is 20KM;
5, All equipments, if no special note, are 10bit, 20KM distance,single mode FC fiber connector, single fiber bi-directional transmission.
6, RS232, RS485,RS422, etc Supportable

Optical Transceiver