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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
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9C300-1
STATUS
ALARM
COM 1 COM 2
EPIM
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