HP SureStore E Tape Library Models 2/20, 4/40, and 6/60 - (English) User's Guide

Library Installation
Connecting and Powering on the Library
Chapter 11-28
NOTE The AC power cord is the librarys main AC disconnect device and must
be easily accessible at all times.
7. Connect a power cord to each power supply module on all levels.
8. Power on the library by pressing the recessed power (standby) switch,
located on the front of the library in the bottom right corner.
After the power-up test is complete (after several minutes), you will
see the Home Screen on the library's front panel. The Home Screen
displays the status of the drives and library. See Front Panel Status
Information (Home Screen) on page 2-7.
9. Power on other peripherals, and then the host.