Cisco High Density Voice/Fax Extension Module - 8 x FXS/DID
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Wired Networking
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General Information
This Cisco High-Density Extension Module for voice and fax has 8 FXS and DID ports. Individual ports on the baseboard module can be configured for FXS or DID signaling. An on-premises FXS interface connects directly to a standard telephone, fax machine, or similar device and supplies ring, voltage, and dial tone. Signaling support available in FXS mode includes loop-start and ground-start. DID trunks from the central office can be connected to this Cisco High-Density Extension Module baseboard for off-premises connections. Signaling support available in DID mode includes immediate, delay dial, and wink start. Users plug in up to two expansion modules in any combination to increase the voice and fax capacity of this Cisco High-Density Extension Module baseboard.

Technical Information
Application/Usage:Data Networking

Interfaces/Ports:8 x FXS/DID
Interfaces/Ports Details:1 x RJ-21 Connector
Interfaces/Ports Details:8 x Port FXS/DID

Additional Information:
  • Spare Product
  • Voice and fax over IP
  • Voice and fax over Frame Relay
  • VoATM
  • Caller-ID support
  • Voice and fax over same port
  • Works with existing phones, faxes, PBXs, and key systems

Hardware Compatibility:

  • Cisco 2821 Router
  • Cisco 2851 Router
  • Cisco 3825 Router
  • Cisco 3845 Router

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Shipping Restrictions
  • This item cannot be shipped to PO Boxes.
  • This item can be shipped only within the U.S.

  • UPC: 746320925837 
  • Mfr's Part #: EVM-HD-8FXS/DID=