HP StoreEver MSL Tape Libraries - Manual (Page 16)

Figure 3 Press the power buttons on both Libraries to power on the extended library
.
If the master Library is powered on first, it will prompt the user to power on the lower Library. If the
lower Library is powered on first, it will remain in an uninitialized state until it receives an initialization
command from the master Library.
Powering off the extended library
To power off the extended library, power off the master Library. The master Library will power the
lower Library off. If the master Library is powered off with the emergency power off procedure or the
power cord is removed, the lower Library will lose communication with the master Library and must
be powered off by depressing its power button and holding it for at least 10 seconds.
Figure 4 Press the power button on the master Library to power off the extended library
.
Configuring and operating an extended library 16