Avaya Definity TN786B Processor Circuit Card (Refurbished)Key Features: Mfr. Part #: TN786B Manages the Lucent Definity G3 system and executes stored programs to perform call processing and maintenance Consists of one 80386SX, 16 MHZ, Intel processor, 7 Mbyte Flash ROM used for the system program, 4 Mbyte of DRAM used for customer translations, an interface to the MBUS, and logic to support the shadowing function in duplicated systems Monitors its sanity and reports processor failures monitors and controls