Figure 5.2. NetWall 6000 Series PSU Alarm Shutoff Button
In normal operation there is a green LED light that is illuminated on the back of each PSU. This
LED will
not
be illuminated if power is available and its PSU has failed. The LED is shown
illuminated in the image shown below.
Figure 5.3. NetWall 6000 Series PSU Power LED
Monitoring PSU Status with cOS Core Hardware Monitoring
The current PSU status and therefore failure can be detected by using the cOS Core
Hardware
Monitoring
feature and this is fully described in the separate
cOS Core Administration Guide
. This
feature can confirm for the administrator that a PSU has failed and which PSU it is.
Steps for Swapping a PSU (AC Power)
To swap a PSU, use the following steps:
1.
If the metal retaining bracket is covering the PSU's power supply cord connector, push this
upwards and fully back.
2.
Remove the power supply cord from the PSU.
3.
Push the PSU's locking lever to one side and pull the PSU out.
Chapter 5: PSU Replacement
80