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IBM TotalStorage DR550 SMB Version 1.0 ------ 27 May 2005 Page 22
IBM Storage Systems Copyright © 2005 by International Business Machines Corporation
8. Verify that the grounding impedance is correct by using the ECOS 1020, 1023, B7106,
C7106, or an appropriately approved ground-impedance tester.
Cabling AC
Many racks have sets of AC power rails (left and right) traversing vertically in the rear of the rack
cabinet. Each rail in a set should be connected to a different AC power feed if that is available. This
is to enhance the availability of the rack components.
Each device in the rack is connected to the AC Power Rails. You can choose the left or right side as
appropriate. It is recommended that you balance the power requirements between the rails when
possible.
Installation
Use the documentation provided with the P5 520 to mount the server in the rack. Please note that
you will need 4 EIA and should plan to install the server in close proximity to the monitor.
Use the documentation provided for the 7316-TF3 monitor. Please review the cable routing
instructions to insure that the cables are routed appropriately to the LCM switch.
If you are installing a SAN switch, use that documentation as well. The switch will need to be placed
between the monitor and server to insure proper air flow and cooling.
Power on Sequence
The devices in the rack should be powered on in the following sequence:
1. SAN Switch (Before proceeding to step 2, confirm that the SAN Switch(es) have completed
their power on sequencing. This is indicated with a green light showing for power.)
2. P5 520
3. 7316-TF3
Similarly, should power need to be shut down, the reverse of the power on sequence should be
followed (once the applications and operating systems have been shutdown):
1. 7316-TF3
2. P5 520
3. SAN Switch(es)