Specification :

The 120 Channel Telephone products adopt the most advanced international technology of digital video and optical fiber transmission, performing synchronous, undistorted, uncompressed and high quality signal transmission over all kinds of optical fiber. This Fiber Optical Transmitter & Receiver can be easily used in the normal operation by virtue of LED indication of working status, and without any electric or optical regulation on site.
Features
Æ Card-type or Stand-alone type for your choice; suitable for concentration management in 4U Racks
Æ Compatible with all sorts of telephone format, interface RJ11 type
Æ Provide 1 ~ 4 voice access, support the call display and reverse polarity billing function
Æ Voice support O and S interface, O and pabx docking, S and user' s telephone connected
Æ Support FXO/ FXS normal telephone, 2/ 4W audio, magnet telephone etc
Æ Support video intact regenerative relay, the transmission can be above 200km;
Æ LED indication of power and other parameter status, monitoring real-time operation
Æ Modularized and industrialized design ensuring reliability and flexibility