Chapter 1 Description
Modules
Scalar i500 User’s Guide 15
Modules
Scalar i500 libraries are modular, and you can increase the size at any
time. The three base systems for the Scalar i500 library are as follows:
• The 5U library, consisting of a control module
• The 14U library, consisting of a 5U control module and a 9U
expansion module
• The 23U library, consisting of a 5U control module and two 9U
expansion modules
These configurations can be scaled up by adding 9U expansion modules
to a maximum rack height of 41U. Expansion modules provide additional
capacity as your storage and tape drive requirements change. See
Figure Figure 4
on page 17 for an illustration of library scalability. For
information on installing, removing, and replacing modules, see
Installing, Removing, and Replacing
on page 290.
Each module has a specific number of fixed storage slots, I/E station
slots, and tape drive slots available. See Library capacity is as follows.
on
page 532 for the number of slots available for each library configurations.
Warning: All libraries taller than 14U must be installed in a rack
having a main protective earthing (grounding) terminal,
and power must be supplied via an industrial plug and
socket-outlet and/or an appliance coupler complying with
IEC 60309 (or an equivalent national standard) and having
a protective earth (ground) conductor with a cross-
sectional area of at least 1.5 mm2 (14 AWG).
To ensure proper airflow and access space, allow 60 cm (24
inches) in the front and back of the library.
Note: Slot counts in this document do not include five inaccessible
slots in the bottom row of any library configuration. For more
information about these slots, see Unused Slots
on page 251.
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