About This Guide
CAUTION: To properly ventilate the system, you must provide at least 7.6 cm (3.0 in.) of
clearance at the front and back of the enclosure.
CAUTION: The enclosure is designed to be electrically grounded (earthed). To ensure proper
operation, plug the AC power cord into a properly grounded AC outlet only.
NOTE: Any indications of component replacement or printed wiring board modifications may void any
warranty.
Where to Go for Additional Help
In addition to this guide, the following information sources are available:
• User documentation
• Service Quick Reference Guide
• Service training guides
• Service advisories and bulletins
• QuickFind information services
• Systems Insight Manager software
Telephone Numbers
For the name of the nearest HP authorized reseller:
• In the United States, call 1-800-345-1518.
• In Canada, call 1-800-263-5868.
For HP technical support:
• In the United States and Canada, call 1-800-633-3600.
• Outside the United States and Canada, refer to
http://www.hp.com.
vi HP StorageWorks Modular Smart Array 20 Maintenance and Service Guide