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60-Channel Voice over E1 PCM Multiplexer

View : 1,036
Type : E1 PCM Multiplexer
Description :

This product is a 19-inch 1U rack-mounted device that provides 60 telephone and 2E1 transmission interfaces.


This product is a 19-inch 1U rack-mounted device that provides 60 telephone and 2E1 transmission interfaces, making it very flexible in its applications. The device is equipped with all-digital circuits, ensuring reliable and stable operation, low power consumption, high integration, small size, and easy installation and maintenance.


E1 interface complies with G.703 recommendations, using all-digital clock recovery and smooth phase-locked loop technology.

Voice port supports FXO/FXS/2-wire audio/magnetic interface. The FXO port is connected to a PBX, and the FXS port is connected to the user’s telephone.

It supports caller ID display, reverse polarity billing, and fax function.

It supports mutual dialing between different sites.

Multiple power supply options available, including AC220V, DC-48V/DC+24V, and others. It Supports dual power backup modes such as AC+DC, AC+AC, and DC+DC.

The telephone interface features lightning protection and can withstand lightning strikes up to GB/T17626.5 (IEC61000-4-5) short-circuit current wave 10/700μs, with open-circuit peak output voltage standards of up to 6KV.


● E1 Interface

Standard: comply with protocol G.703;

Rate: n*64Kbps±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: 0dB

DA: 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-E2O60/FCC-E2S60
Function Description 60*telephone over 2E1, 19-inch 1U
Port Description 2*E1 interface, 60*Voice
Power Supply

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

Power consumption: ≤20W

Dimension 19inch  485*200*45mm (WxDxH)



application of Telephone FXO/FXS over E1 PCM multiplexer


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