Chapter 2. Installing the system hardware
After verification that you have all of the hardware components that you require,
you can install them.
You completed the initial steps of verifying the shipping contents and becoming
familiar with the hardware components. You verified that the power and
environmental requirements are met and planned the location of the enclosures.
You are now ready to begin installing the hardware components and connecting
the data cables and power cords.
NEBS-compliant earth connection
When you install enclosures into a Network Equipment-Building System (NEBS)
compliant installation, each enclosure must have a reliable electrical earth
connection that is separate to any earth connections provided by power supply
cables.
On system enclosures, this connection is made by using the front enclosure
mounting screws that are part of the standard installation described in Installing
the support rails and Installing the enclosures. To provide a reliable electrical earth
connection, the upright mounting rails of the racks into which enclosures are
installed must meet the following requirements before installing the support rails
and enclosures:
v Upright mounting rails must not be painted, oxidized or otherwise insulated
from the enclosure flanges and mounting rails. If paint, oxidization or other
insulation is present, it must be removed and the metal must be brought to a
bright, non-corroding finish.
v Upright mounting rails must have their own NEBS-compliant connection to
earth, independent of the earth connections provided by any power supply
cables.
Notes:
1. If the system is required to be NEBS-compliant, some system configuration
settings must be made. For details, see “Configuring a system to be
NEBS-compliant” on page 161.
2. For more information about configuration guidelines and restrictions, see the
following website: http://www-01.ibm.com/support/
docview.wss?uid=ssg1S1005422
3. If a Storwize V5000 Gen2 system is clustered with a Storwize V5000 system,
NEBS compliance cannot be enabled. NEBS compliance is not supported on
Storwize V5000 systems.
Installing support rails for the system
Before you install a control or expansion enclosure, you must first install the
support rails. The same rails for are used for control and expansion enclosures.
© Copyright IBM Corp. 2016, 2018 17
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