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  • Products Name: E1 complex provice 1-30 channel audio single

Production function:

This E1 complex provice 1-30 channel audio single (FXO,FXS) through E1 channel, realize long-distance extension of phone line. E1 signal can be transmitted by communication equipment.

This equipment has good performance such as perfect alarm function, high integration rate, low power consumption, works stable and reliable and has good performance, it can satisfy the telephont and date throwin need of telecom operator and special users.


production  characteristic:

  • Realize monitor of remote equipment from local equipment( Having two row of LEDs, upper row indicate local status, lower row indicate remote status.)
  • Based on self-copyright IC;
  • Provide 30 channels audio port, FXOFXS for select;
  • voice port support o port and s port,o port connect with switch, s port connect with telephone.
  • Voice port can be 2/4E&M frequency;
  • support incoming call display, and inverted polarity charging.
  • Support function of signal transmission among all end points
  • Optical port support SC/FC, and support single fiber optic interface.

Echincal date

E1 interface

code  HDB3

line rate    2.048Mbp/s±50

impedance   BNC75Ω(unbalance),RJ4120Ω(balance)
Interface standard ITU-T G.703
interface tolerance according with G.703
Jitter tolerance  according with G.742  and G.823

alarm voltage    75V
alarm frequency    25HZ
2 line input impedance600Ω(hang off)
Alarm detecting voltage35V
Alarm detecting frequency17HZ-60HZ
2 line input impedance600Ω(hang off)

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