The Definity TN798B integrates many functions of the TN790 processor and the TN777B NETCON circuit packs onto a single circuit pack.

The TN798B provides serial communications and maintenance functions throug a 32 -bit RISC CPU complex and a maintenance processor complex.

The TN798B terminates ISDN LAPD signaling over the Definity TDM bus for PRI and BRI trunk circuit packs.

The TN798B does not provide x.25 communications nor does it provide a duplication option.

The TN798B does contain an on board modem; an external modem must be connected to the RS-232E port previously used for the internal modem.

2 Year Warranty