Warnings And Cautions; Preparation Procedures; Extending A Vls Node From The Rack - HP 12000 User Manual

Warnings and Cautions

Before removing the node access panel, be sure that you understand the following warnings and
cautions.
WARNING!
Do not disable the AC 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.
Unplug the power cord from each power supply to disconnect power to the equipment.
WARNING!
internal system components to cool before touching them.
CAUTION:
node without the access panel results in improper airflow and improper cooling that can lead to
thermal damage.

Preparation Procedures

To access some components and perform certain replacement procedures, you must perform one
or more of the following procedures:
Extend the node from the rack. See
If you are performing service procedures in an HP, Compaq branded, telco, or third-party
rack cabinet, use the locking feature of the rack rails to support the node and gain access to
internal components.
For more information about telco rack solutions, see the RackSolutions.com web site
www.racksolutions.com/hp).
If you must remove a non-hot-plug component from the node, power off the system. See
Powering Off the
Remove the node from the rack. See
Remove the node access panel. See
If you must remove a component located inside the node, remove the access panel.

Extending a VLS Node from the Rack

WARNING!
adequately stabilized before extending a node from the rack.
WARNING!
out of the rack. The sliding rails could pinch your fingertips.
To extend a node from the rack:
1. Loosen the thumbscrews that secure the node faceplate to the front of the rack.
2. Extend the node on the rack rails until the node rail-release latches engage.
3. After performing the replacement procedure, slide the node back into the rack:
a. Press the node rail-release latches and slide the node fully into the rack.
b. Secure the node by tightening the thumbscrews.
To reduce the risk of electric shock or damage to the equipment:
To reduce the risk of personal injury from hot surfaces, allow the drives and the
Do not operate the node for long periods without the access panel. Operating the
System.
To reduce the risk of personal injury or equipment damage, be sure that the rack is
Be careful when pressing the rail-release levers and sliding the component into or
Extending a VLS Node from the
Removing a VLS Node from the
Removing the VLS Node Access
Rack.
(http://
Rack.
Panel.
Preparation Procedures 155