Avaya
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AVDEFTN777B-REF
Avaya Definity TN777B Network Controller - R6 and earlier (Refurbished)
Avaya Definity TN777B Network Controller (R6 and earlier).
More Information
- Communicates control channel messages between the processor circuit pack and the distributed network of port circuit packs on the TDM bus
- Controls 4 data channels that process and route information directly from the processor circuit pack to customer connected equipment
- Has time of day clock with battery back for power failure or low voltage conditions
- Monitors the status of the system clocks and alerts the processor circuit pack in the event of a failure of any clock
- Also supports ISDN
- Replaced by TN794 Network Control/Packet interface for R7 and R8
- Replaced by TN2401 Network Control/Packet interface for R9 and R10
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