Description
Central Processing Unit The Central Processing Unit ETU contains a 32-bit microprocessor that controls the system. Included are 16, 4-party conference circuits, 16 analog and 16 digital voice mail circuits, 4-channel PBR circuits, a Tone Generator, MOH input and two built-in melodies. One required per basic 192 KSU. The image displayed is for illustrative purposes only and may not be the product listed
