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).