Operation Diagnosis
Basic Configuration
Release
6.0
07/2010
9.3
Out-of-band Signaling
187
9.3.4 Monitoring the Fan
Devices of the Mach 4000 range have a replaceable plug-in fan. This plug-in
fan considerably reduces the inner temperature of the device.
Fans are subject to natural wear. The failure of one or more fans in the plug-
in fan can have a negative effect on the operation and life span of the device,
or can lead to a total failure of the device.
Figure 51: Signal Contact dialog
exit Switch to the privileged EXEC mode.
show signal-contact 1
Displays the status of the operation monitoring
and the setting for the status determination.
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