3-1

Chapter 3

9C300-1 Environmental Module Operation
The 9C300-1 Environmental Module, as shown in Figure 3-1, performs three main
functions. It monitors several chassis environmental parameters, provides
multiple out-of-band management interfaces, as well as system cooling. The
Environmental Module also includes LANVIEW
®
LEDs for at-a-glance
diagnostics.
Figure 3-1. The 9C300-1 Environmental Module

Monitoring Functions

The 9C300-1 Environmental Module monitors the following MMAC-Plus
functions:
External ambient temperature
Fan speed
System humidity
System voltages
Internal operating temperature
123
9C300-1
STATUS
ALARM COM 1 COM 2
EPIM
ENTER
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MMAC