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16 Channel Voice FXO/FXS over E1 PCM Multiplexer (Desktop Type)

View : 980
Type : E1 PCM Multiplexer
Description :

This device is a desktop type and can provide 16 phone outputs.


This device is a desktop type and can provide 16 phone outputs. The device is based on a fully digital circuit, resulting in reliable and stable operation, low power consumption, high integration, small size, and easy installation and maintenance.


16 ch voice over e1 pcm mux 16 ch voice over e1 pcm mux


The device can monitor the alarm status of the remote end.

E1 interface complies with the G.703 recommendation, using fully digital clock recovery and smooth phase-locked loop technology.

The voice port supports FXO and FXS, EM2/4 audio interface, where the FXO port is connected to the PBX, and the FXS port is connected to the user’s telephone.

It supports caller ID display and reverse polarity billing functions.

It supports mutual dialing between different sites.

The device is able to detect whether the remote device is powered off or the E1 is disconnected when the E1 signal is lost.

It supports 4U 17-slot card-type chassis, which can be managed by SNMP.

Multiple power supply options are available: AC220V, DC-48V/DC24V, etc.

Telephone interface is equipped with lightning protection, which meets the GB/T17626.5 (IEC61000-4-5) short-circuit current wave 8/20μs and open-circuit peak output voltage 6KV standard.


● E1 Interface

Standard: comply with protocol G.703;

Rate: 2048Kbps±50ppm;

Line Code: HDB3;

E1 Impedance: 75Ω (unbalance), 120Ω (balance);

Jitter Performance: In accord with protocol G.742 and G.823

Input Port Attenuation Allowed: 0~6dBm


● FXS Phone Port

Ring voltage: 75V

Ring frequency: 25HZ

2-wire Impedance: 600 Ohm (off-hook)

Return loss: 40 dB


● FXO Trunk Port

Ring detection voltage: 35V

Ring detection frequency: 17HZ-60HZ

2-wire Impedance: 600 Ohm (off-hook)

Return loss: 40 dB


● EM 2/4 Wire

AD gain: 0db

DA gain: 0db

2/4-wire Impedance: 600 Ohm

Return loss: 20 db


Working Environment

Working temperature: -10°C ~ 50°C

Working Humidity: 5%~95 % (no condensation)

Storage temperature: -40°C ~ 80°C

Storage Humidity: 5%~95 % (no condensation)


Model FCC-E1O16/FCC-E1S16
Function Description 16*POTS (FXO/FXS/2 wire Voice) E1 Mux, Desktop Type
Port Description 1 E1 interface; 16*FXO/FXS Interface
Power Supply

Power supply: AC180V ~ 260V; DC –48V; DC +24V

Power consumption: ≤10W

Dimension  Desktop Type    216X140X42mm(WXDXH)



application of 16 voice pcm mux


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