4-1
CHAPTER
4
Battery FRUs
This chapter provides instructions for removing and installing batteries and battery
modules. The FC arrays have an independent battery module located above each
I/O module. The SCSI arrays contain a battery on each controller module.
The battery dating information is the same for all batteries.
Topics covered in this chapter are:
■ “Battery Operation” on page 4-2
■ “Battery Status on the Initial Firmware Screen” on page 4-2
■ “Battery Dating on the Battery Labels” on page 4-3
■ “Replacing a Battery” on page 4-5
■ “Replacing a SCSI Battery” on page 4-5
■ “Replacing an FC Battery” on page 4-8
■ “FC Battery Status and In-Service Date Procedures” on page 4-10