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If you want to add an additional, redundant NIC card to your Rhino Ceros 3U IP PBX Appliance, you must purchase the Rhino CEROS-NIC. The Rhino CEROS-NIC adds an additional 10/100/1000 network interface card to your Ceros PBX Appliance.
The Rhino CEROS-NIC adds redundancy safeguarding in the event that the primary NIC card on your Rhino Ceros 3U IP PBX Appliance should happen to fail. With the Rhino CEROS-NIC, you can build in a redundant network connection so that your Ceros 3U IP PBX does not lose network connectivity in the event of failure of the primary NIC interface.