4Ch Telephone Voice FXS/FXO Pots Fiber Multiplexer with Ethernet

Overview

LNK-PH04-E is a new generation 4-Ch Telephone Fiber Mux. It can provide a 4-line voice interface and 1-line 10/100MEthernet Interface directly upon the optical transmission. Voice Broadband Optical Multiplexer is mainly used in implementing connections between telephones and SPC exchanges through transmission network, as well as providing various kinds of data operation interfaces.
The device is widely used in: places such as telephone bars, middle and small scale companies, expressways and some temporary construction sites which demand quick solutions to the need of telephone and data operation, and the “Village-village Connection” telephone accessing project which is now in progress.

Features
Voice port supports FXO and FXS port, EM2/4 audio interface, FXO port docking with program-controlled switchboard, FXS port connected to the user's telephone;
Voice FXO/FXS access supports caller ID feature and reverse polarity billing functions
Support various sites mutual number allocation function
Provide 4 expansion interface, you can extend 1~4Channel asynchronous data, such as RS232/RS485/RS422/Manchester code; 1~4Channel voice, 1~8Channel switch or two/four line audio and so on
Ethernet interface supports 10M/100M, half/full duplex auto- adaptable and VLAN
Ethernet interface can support AUTO-MDIX (crossed line and straightly connected line self-adaptable )
The transmission distance is up to 2-120Km without interruption
The 4 U rack plug-in can be offered and support the SNMPA service.
AC 220V, DC-48V, DC24V can be optional
Data interface provide the lightning-protection function,which can reach the GB/T17626.5(IEC61000-4-5) (8/20μs), CM (6KV).