NEW
  >   產品中心   >   正文

30FXO/FXS PCM Voice Multiplexer Over E1

This model provides 1-30channels of voice signal through E1 channel to realize extension of telephone line through E1. E1 signal can be transmitted by fiber multiplexer.

Description

This model provides 1-30channels of voice signal through E1 channel to realize extension of telephone line through E1. E1 signal can be transmitted by fiber multiplexer.

Features

■Monitoring remote device from local device (2 row indicator LED, upper indicates local, lower indicates remote)

■Based on self copyright IC

■Provides 1-30 channels of voice signal and supports call 

■indication and opposite pole charging

■Supports function of signal transmission among all end points

■Voice port supports O port and S port, O port connecting with exchange and S port with user’s telephone


Parameter

E1 interface

Standard:conforms to G.703 standard.

Coding:HDB3

Interface rate:2.048Mbps±50ppm

Impedance:75Ω (unbalance)/ 120Ω (balance)

Connector:BNC (75Ω)/ RJ45 (120Ω)

Jitter Performance: according to G.742 and G.823

Clock:internal clock, line clock.

FXS Telephone Port

Ring voltage:75V

Ring frequency:25HZ

2 line input impedance:600Ω (hanging off)

Wastage:40db

FXO Exchange Port

Ring detecting voltage:35V

Ring detecting frequency:17HZ-60HZ

2 line input impedance:600Ω (hanging off)

Wastage:40db

 

Dimension

Desktop type:483W×138D×44Hmm

Power supply

AC220V:input voltage:  AC220V±20%,50HZ

DC-48Vvoltage error range: -36V-72V    

Operating Conditions

Voltage:AC180V-260V, DC-48V, DC+24V

Power Consumption:<=10Watts

Working temperature:0°C~50°C

Storage temperature:-40°C~+70°C

Humidity:95%

  No causticity and solvent, dust free, and no strong magnetic interference.

平码三中三论坛高手