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60Voice over 2×E1 PCM Multiplexer

View : 259
Type : voice over E1
Description :

This device is 1U High, which provides 60channel telephone outputs.

Overview

This device is 1U High, which provides 60channel telephone outputs, Equipment electrical parts for the whole digital circuits, machine reliability, stability, low power consumption, high integration, small size, easy installation, and maintenance. Many customers are telecommunications operators 2*E1 leased lines used in computer networking, this equipment can be rented at the E1 line opened a few line phone, you can make free calls between headquarters and branch offices of this.

Features

Based on proprietary integrated circuits;

Alarm status can be monitored on the end;

2*E1 interface complies with G.703, all-digital clock recovery, and smooth phase-locked technology;

Voice port supports FXO and FXS port, 2/4 wire audio interface, Magnet phone, FXO port docking with program-controlled switchboard, FXS port connected to the user’s telephone

60-line voice access, support caller ID function, and reverse polarity billing  functions;

Support Telephone Number mutual function of each site;

E1 signal can be detected as a barrier to the end device is lost or shut E1;

Telephone interface with lightning protection, lightning reached IEC61000-4-5Short circuit current wave 8 / 20μs, open-peak output voltage 6KV standards.

Multiple power mode options: AC220V, DC-48V/DC+24V, etc;

Parameters

  • E1 Interface

Interface Standard: comply with protocol G.703;
Interface Code: HDB3;

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

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

Allowed Attenuation: 0~6dBm

Interface Rate: n*64Kbps±50ppm;

  • FXS Phone Interface

  Ring voltage: 75V

 Ring frequency: 25HZ

 Two-line Impedance:     600 Ohm (pick up)

 Return loss: 40 dB

  • FXO Switch Interface 

Ring detect voltage: 35V

Ring detection frequency:    17HZ-60HZ

Two-line Impedance:    600 Ohm (pick up)

 Return loss: 40 dB

  • EM 2/4 Line

  AD: 0dB

DA: 0dB

Two/Four-line 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)

Specifications

Model FCC-E2O60/FCC-E2S60
Functional Description 60 * telephone over 2E1,19”inch 1U
Port Description 2* E1 interface;60*Voices
Power

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

Power consumption: ≤20W

Dimension Product Size:   19inch  485x200x45mm(WxDxH)
Weight

19inch  3.2KG

Application

application of Telephone FXO/FXS over E1 PCM multiplexer

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