Chapter 12 Installing, Removing, and Replacing
Cabling the Library
Scalar i500 User’s Guide 303
Cabling Libraries With
SAS Tape Drives 12
Each SAS tape drive should be connected directly to the host bus adapter
(HBA) using one SAS cable. The LTO-4 and LTO-5 SAS tape drives in the
Scalar i500 library use the SFF-8088 type SAS connector. The connector
needed on the host end of the cable depends on the type of Host Bus
Adapter (HBA) being used.
The library does not support daisy-chaining SAS cables. The library does
not support the use of SAS expander devices or cables at this time.
Use this procedure, along with Figure 43
and Figure 44, to connect SAS
cables directly to the host.
Caution: Quantum sells both SAS-1 and SAS-2 tape drives. SAS-2
technology and the SAS-2 standard allow for increased
connection speed and greater cable lengths when
compared to SAS-1. Quantum recommends the use of
Quantum-qualified cables when using SAS tape drives.
Quantum engineers and qualifies cables specifically to be
compatible with the tape library SAS connection
architecture.
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 mm
2
(14 AWG).
To ensure proper airflow and access space, Allow 60 cm
(24 inches) in the front and back of the library.
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