4 Channel Fxs Fxo Voice Modem

We are leading manufacturer supplier and exporter of 4 Channel Fxs Fxo Voice Modem in Hangzhou Zhejiang China with following details:

Description:
Desk-top PCM multiplexer that can provides 1-4 channel FXO/FXS telephone and 4 channels RSS232/422/485 interface wall-mouthed or 4U rack plug-in support the SNMPA service.
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 a Village-village Connectiona telephone accessing project which is now in progress.

Features:

Voice port supports FXO and FXS port magnet phone 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
The transmission distance is up to 2-140Km without interruption
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) (8/20I s) CM (6KV).