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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 1.0
November 2010
Summary of Contents for MXB IP
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