Home › Produtos › Módulos

DM705-FXS4 – Interface Module with 4 FXS ports

Submitted by zee on Fri, 11/14/2008 - 08:43.
Imagem Pequena:
DM705-FXS4_p.jpg
Introducao:

The DM705-FXS4 is equipped with 4 voice interfaces. It can operate with CAS signaling. Omnibus operation is available. FXS interface can be directly connected to the telephone device.

Caracteristicas:

 

  • 4 voice channels per card. It operates over 2 wires (FXS). 
  • Connection is available on a TELCO50 connector. 
  • Omnibus operation available on the first and second ports. 
  • 600ohms or 900ohms line impedance (selectable through the management system). 
  • 300-3400Hz voice channel frequency. No compression. It uses 1 channel (timeslot) of 64kbit/s. 
  • Codification according G.711, rule A. 
  • Transmission and reception programmable gains. Configurable from –10dBm to +4dBm in 1dBm steps.
  • 12kHz or 16kHz reverse or pulse polarity tariff. 
  • CAS signaling. 
  • Standard test generator with error detector. Activated by the management system.
  • Local digital loop and ring/off hook tests are available on the management system. 
  • Ring generator (ring). 
  • Applications: - POTS (FXO – FXS) service; HOT-LINE (FXS-FXS).
  • It can operate with CPU64 or CPU128