Planning overview
285
Planning and Installation
The maximum weight per system bay caster is 600 lbs and the
maximum weight per storage bay caster is 800 lbs. Table 42 on
page 265 describes weights for various DMX-3 configurations.
Listed below are some of the pre-installation items to consider before
installing the DMX-3 at your site:
◆ Equipment ramp needed if the receiving floor is not level with
computer room floor
Note: All portions of the DMX-3 bays, including optional doors, shall
clear ramp and threshold slopes up to 1:10 (rise to run ratio), per Code of
Federal Regulations – ADA Standards for Accessible Design, 28 CFR Part
36.
◆ Weight capacities for Table 42 on page 265:
• Service elevator if delivery is to another floor
• Computer room floor
• The loading dock
• The loading dock tailgate
◆ Length of covering required for floor protection
◆ Direct dial-up phone line (for remote support) within six feet (two
meters) of the unit (“Remote support” on page 287).
◆ System cabling and power cabling routing requirements. The
Presite Survey completed with the EMC Systems Engineer
reports the cable lengths (Fibre Channel or serial) required for
each host connection to the Symmetrix DMX-3. From a physical
planning perspective, review the routing paths from the hosts to
the Symmetrix DMX-3. Resolve any physical access issues before
the installation date. Also consider if host cables and power
cables require overhead routing (“Overhead host cable routing”
on page 294 and “Overhead power cable routing” on page 294).
◆ Power hardware requirements (“Power and cooling data” on
page 269 and “Electrical specifications and power requirements”
on page 270).
◆ Environmental requirements -- The Symmetrix DMX-3 requires
the environmental specifications outlined in “Environmental
data” on page 266.
◆ “Physical data” on page 264 provides overall system dimensions
and weights for the Symmetrix DMX-3 configurations.
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