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5. Use the shipping bracket to secure the storage enclosure
for shipping:
IMPORTANT: Use of the shipping bracket is required only
when the rack is shipped with the MSA70 Enclosure
installed.
a. Loosen the thumbscrew on the shipping bracket.
b. Slide the shipping bracket forward until it engages the
chassis.
c. Tighten the thumbscrew.
If you are installing the storage enclosure into a telco rack,
order the appropriate option kit at the RackSolutions website:
http://www.racksolutions.com/hp
. Follow the enclosure-specific
instructions on the website to install the rack brackets.
Cabling
Supported cables
For a complete list of supported cables, see the QuickSpecs on
the HP website: http://www.hp.com.
Cabling guidelines
• Always use the shortest cables possible. The the maximum
supported cable length between SAS ports is 6 M (19.59
ft)
• Only use supported SAS cables with 3-Gb connectors.
• Always be sure that the servers attached to the MSA
enclosure are powered down and power cords are
disconnected before connecting SAS cables.
Choosing a configuration
Single-enclosure configuration
Item Description
1 Server
2 SAS cable
3 MSA Enclosure
Cascading (1+1) configuration
Item Description
1 Server
2 SAS cable
3 SAS cable
4 MSA Enclosure 1
5 MSA Enclosure 2
* Only an MSA70 enclosure can be cascaded with another
MSA70. Do not mix with other types of storage enclosures.
Power cords
The power cord should be approved for use in your country.
WARNING! To reduce the risk of electric shock or
damage to the equipment:
• Do not disable the power cord grounding
plug. The grounding plug is an important
safety feature.
• Plug the power cord into a grounded
(earthed) electrical outlet that is easily
accessible at all times.
• Do not route the power cord where it can
be walked on or pinched by items placed
against it. Pay particular attention to the
plug, electrical outlet, and the point where
the cord extends from the storage system.
To connect AC power cords:
1. Connect the power cords to the power supplies.
2. Connect the power cords to the AC power source.
Powering up
IMPORTANT: Always power up the enclosure first, and
then the server. This ensures that the servers, during their
discovery, see the enclosure as an operational device. If
you do not power up the enclosure before powering up the
servers, you will need to power down the servers, ensure
that the enclosure is powered up, and then power back up
the servers.