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Quasar PC104 - multichannel E1 card for Asterisk in PC-104+ format




  • PC-104+ form-factor
  • 8 (4) E1 ports
  • Embedded TDM switch
  • DMA mode
  • Linux driver (x86, x64)
  • Linux configuration utility
  • Works with any DAHDI-compatible PBX - Asterisk (FreePBX), FreeSwitch, Yate


Quasar-E1 interface board is intended for connection of E1 interfaces to the servers running under Asterisk soft PBX. The board format is PC-104+.

Technical data

Connector typeIDC right angle, 10 pins
Cable typesymmetrical twisted pair, 120 ohm
Nominal pulse voltage3 V +- 10%
Data transmission rate2048 kbit/s +- 50 ppm
CodingAMI or HDB3
Signal attenuation, no more than-40 db for port 0, -6 db for port 1
Conformance to standardsITU-T G.703, G.704, G.706, G.732, G.823
E1 multiframeCRC4, CAS
Dimensions96 x 96 x 23 mm
Bus interface


PCI only used

Software support 
  • Configuration utility for Linux
  • DAHDI driver for Asterisk

Order codes

Quasar-8PCI-PC1048 E1 ports
Quasar-4PCI-PC1044 E1 ports
Quasar-8PCI-PC104-58 E1 ports, extended temperature
Quasar-4PCI-PC104-54 E1 ports, extended temperature


  • embedded telecom
  • voice processing in industrial conditions


  • 8 (4) E1 channels
  • PCI or PCI express interface
  • Embedded TDM switch
  • PMC form factor (IEEE P1386.1)
  • PCI/PCIe card form factor
  • Linux Asterisk driver
  • Linux configuration utility
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