The Avaya TN790 is very similar to the Avaya 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, Circuit packet level replacement for the Avaya TN786B/CPP1 combination Does not support a mezzanine board for memory expansion (no CPP1 circuit pack is used) Provides a performance increase over the TN 786B/CPP1 combination RISC processor at 40 MHZ includes all of the functions of the TN786B processor as well as providing an operating system base more common with R7r Diagnostics for the Avaya TN790 are enhanced over earlier systems Compatible with the processor interface circuit pack (TN765), the PACCON circuit pack (TN778), the NETCON circuit pack (TN777B), and the duplication interface circuit pack (TN772)
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TN790B Circuit packet level replacement for the TN786B/CPP1 combination
Does not support a mezzanine board for memory expansion (no CPP1 circuit pack is used) Provides a performance increase over the TN 786B/CPP1 combination RISC processor at 40 MHZ includes all of the functions of the TN786B processor as well as providing an operating system base more common with R7r Diagnostics for the TN790 are enhanced over earlier systems Compatible with the processor interface circuit pack (TN765), the PACCON circuit pack (TN778), the NETCON circuit pack (TN777B), and the duplication interface circuit pack (TN772) Available in Release 6 and some earlier systems.
TN790
