Chapter 9. Check, Adjust, Remove, and Replace Procedures 9-37
Replacing the Back Board Assembly
The back board is an interface board between the power supply units, Library Control
Blade, drive docking card, and the Accessor assembly robotics.
Figure 9-41. Back board
Removal Procedures
1. Take the library offline. See “Taking the Library Offline/Online” on page 7-23.
2. In the Operator Panel top menu, select Unlock Magazine, and press Enter.
3. Select All Magazines, and press Enter.
4. Remove and clearly label the cartridge magazines from the library.
Note: If the cartridge magazines fail to unlock in response to the Unlock
Magazine command from the Operator Panel, you can unlock the
magazines manually. See “Unlocking Cartridge Magazines Manually” on
page 9-4.
5. Power OFF the library by toggling the power supply switch on both supplies to
the OFF (O) position.
6. Disconnect the power cables from the library power supplies.
7. If the library is installed in a rack, remove the library from the rack and remove
the rack ear mounting brackets (see Figure 6-15 on page 6-14). For directions on
removing and replacing the library in a rack, see “Replacing a Library in a Rack”
on page 9-3.
8. Remove the 15 screws securing the library housing cover, and remove the cover.
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