install–38 - Ibm

AC power
connector
Lever
Strain-
relief clamp
AC power
switch
Figure 47. Connecting the power cord to the AC power connector
6. Plug the power cord into a properly grounded electrical outlet.
7. Turn on the power-supply switch.
8. Make sure that the green Power LED on the new power-supply CRU is on and
the amber Fault LED is off.
v If the Power LED is off, the power-supply CRU might not be installed
correctly. Remove it and then reinstall it.
v If the Fault LED is on or the Power LED stays off, see the
storage-management software for problem determination.
For more information about the LEDs, see “Checking the LEDs” on page 39.
Working with hot-swap RAID controllers
Each RAID controller fits into the back of the storage server and has the following
components:
v Battery
v Cache memory
v Two host ports and one expansion port
v One Ethernet port
v One serial port
Each RAID controller has a unique hardware Ethernet address, which is printed on
a label on the front. There is also a label giving the cache battery manufacturing
and installation dates on the top of the controller unit. Figure 48 on page 60 shows
the location of these items.
Chapter 5. Installing and replacing components 59