Installation guide

7–6 Installation Troubleshooting
7.1.1 Removing an RF72 Disk ISE from an SF72 Storage
Enclosure
This section provides the procedure for removing an RF72 disk ISE from
an SF72 storage enclosure.
WARNING
Take all possible ESD precautions when unpacking the RF72 disk
ISEs. Wear a correctly grounded ESD strap.
Have an orderly shutdown of the SF72 enclosure containing the
disk ISE performed. Refer to the system documentation.
1. Power down the SF72 enclosure.
a. Take each existing RF72 disk ISE on that DSSI bus off-line
(Figure 7–1) by pressing and releasing each Ready button on
the operator control panel (OCP). The button indicators go out.
b. Press and release the drive dc power switches for all the ISEs on
that DSSI bus.
c. Set the ac power switch on the rear of the enclosure to 0.