10 Chapter 1: Overview
553-3211-510 Standard 1.0 October 1998
The module power distribution unit (MPDU) in each AEM provides a
circuit breaker for each Application Module in the AEM so you can power
down components in one module without affecting the other (see Figure 3).
Figure 3
MPDU circuit breaker associations
Module Power
Distribution Unit
(MPDU)
Breaker for
left-side
Application Module
Breaker for
right-side
Application Module
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