Products  >  Interface Card IC-4FXS View Printable

End of Life Notice (PDF). This legacy product is not recommended for new installations. For next-generation alternatives, please refer to the above EOL notice.

The IC-4FXS is a PMC standard compatible interface card for the SmartNode 2000 series. It provides 4 analog FXS ports and connects to the SmartNode base unit through a PCI packet and PCM circuit interface.

The IC-4FXS supports up to 4 simultaneous voice or fax calls. It is a flexible analog telephony card designed to meet the needs of small enterprises that want to connect their analog telephony equipment, such as an analog PBX or analog telephones, to a multi-service IP network.

The on board dedicated micro-controller and DSPs offload the CPU of the SmartNode 2000 series base unit enabling the conversion of voice/fax circuits into related IP-packets in real-time with minimal delay and jitter.

Configuration Example
The example shows the connection of a PBX via an IC-4FXS Card into an IP network.

  • Four 2-wire analog FXS ports
  • G.168 echo cancellation
  • DTMF detection and generation
  • Line power for each FXS port
  • Silence suppression and comfort noise
  • Support of various voice codecs: G.711 A-Law/µ-Law, G.723.1, G.729A, Transparent
  • EMC & CE Compliant
  • 1-year warranty
  • Optional Upgrade: 2-5 year Warranty
  • Optional Upgrade: 1-5 year Enhanced Warranty (includes free Advance Replacements)


Ordering information for this product is not publicly available at this time.
Please accept our apology as we regret any inconvenience to you.

For more information
about the availability of this product and/or alternative solutions,
please contact Patton's Product Management team at or +1 301 975 1000

Sales: / +1 301 975 1000
Support: / +1 301 975 1007
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