4-4
Environmental Monitoring
Advanced Cooling Module Failure LED
Each ACM has a fault LED built into it (see Figure 4-2). If an ACM fails, its
ACM Failure LED will turn on, and the alarm buzzer on the VEM card will
sound. The alarm buzzer may be silenced by pressing the alarm silence button.
Figure 4-2. ACM Failure LED
Mute
Temp
SCSI Out
SCSI In
LVD
SE
PSU 1
0
1
PSU 2
PSU 1
ACM
LEDs
VEM
Host
Shelf
2
0/1
1
2
1
2