Avaya Definity TN790B Processor (Refurbished)The Avaya Definity TN790B is very similar to the TN790. The circuit pack is designed to handle errors that are associated with the EM BUS and is required for use of the C LAN (TN799) and NetPkt (TN794) circuit packs in R7 and later. Please contact us to Provide Firmware Level needed so we can Load This card with the exact SW required prior to shipping More Information Circuit packet level replacement for the TN786B CPP1 combination Does not support a
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