HP StoreEver ESL G3 Tape Libraries - Manual (Page 15)

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Tape drives
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Cartridge storage
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Operator panel
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Power system
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I/O Management Unit and Ethernet Expansion Blade (EEB)
Figure 2 Front and back view of the control module
2. Control module front view 1. Magazines and cartridge slots
4. I/E station 3. Control module back view
6. I/O management unit 5. Drive clusters
8. Power supplies 7. Library management module
10. Accessor 9. Picker
Expansion modules
Expansion modules (also referred to as standard expansion modules or EMs) enable the library to
expand by adding space for tape drives, I/E stations, and cartridges. Each EM can add several
hundred LTO cartridge slots, depending on the number of tape drives installed and whether an
I/E station is installed. The library maximum configuration includes 15 EMs for a total of 16
modules. EMs can only be added to the right of the control module. See
Figure 3 (page 16) and
Figure 4 (page 16) .
NOTE: For libraries shipped before May 2013 and running a firmware version prior to 663H,
EMs in positions 9-12 are storage-only and do not contain I/E stations or drives.
For libraries shipped after May 2013 and running firmware version 663H or later, EMs can contain
I/E stations and drives throughout the library. Some restrictions apply, see
“Import/Export stations”
(page 19) and “Tape drives” (page 22) for more information.
The EMs can accommodate the following components:
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I/O management unit (optional)
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Tape drives (optional)
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I/E station (optional)
Expansion modules 15