Installation guide

Main Processing Board 4-2
Chapter 4: Board Installation
MBX IP Hardware & Installation Guide
Main Processing Board
MPB 100/300
The Main Processor Board controls:
• communication between the peripheral Board,
• supervises all resources in the system,
• controls the gain adjustment of the PCM signal,
• generates the System tones, and
• manages System call processing.
The MPB100/MPB300 shown on the next two pages incorporates the main control of the
System, and is composed of the microprocessor and memory, the PCM management and
miscellaneous functional circuits.
>>> MPB100/MPB300 must
be installed in the MPB slot of the Basic KSU (BKSU).
Release 1.7
April 2012