The TN777B Network Controller delivers control channel messages between distributed networks of port circuit packs on the TDM bus and processor circuit pack. Information is routed between 4 data channels directly from the processor circuit pack to the customer connected equipment.
- 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
- TN777B Network Controller
These items have been refurbished. Refurbished items have been cleaned, tested, and confirmed to be fully functional. Grade A - Refurbished items show wear from consistent use and can have some scratches and may have some yellowing or discoloration.
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- Item(s) must be returned within 30 days from invoice date.
- Item(s) must be received in original condition preferably in the same packing materials.
- Item(s) should be securely packed for safe return.
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- Products usually ship within two business days after payment. If you have a rush order, or need an item delivered on Saturday please call to request faster shipping.
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