l
Load the rack beginning at the bottom to prevent the rack from becoming top-heavy.
l
For ESD protection, EMC Data Domain recommends that you wear a suitable antistatic
wrist or ankle strap. Observe all conventional ESD precautions when handling plug-in
modules and components.
l
Do not extend components on slide rails until you have loaded at least three or more
similarly weighted items in the rack, or unless the rack is bolted to the floor or
overhead structure to prevent tipping.
Description of the system
This section includes site requirements, product specifications, and descriptions of front
and rear panels.
Site requirements
The site requirements are:
l
The system requires 2U of vertical space in a standard 19”, four-post rack. Do not use
a two-post rack.
l
Use air conditioning that can cope with the maximum BTU/hour thermal rating.
l
Temperature control required with a gradient (change) not to exceed 30° C in an hour.
l
In a closed or multi-unit rack, ensure that the unit has adequate airflow through the
front bezel and back panel and that ambient temperature requirements are met.
l
Ensure that the front bezel and back panel clearances are met.
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Ensure that cables at rear of unit do not obstruct exhaust airflow.
l
If installing in a closed cabinet, ensure that the front and rear doors have at least
65% open area to ensure adequate airflow for cooling.
l
Front bezel requires 1.56 inches (4.0 cm) of unobstructed clearance.
l
Back panel requires 5 inches (12.7 cm) of unobstructed clearance.
l
AC power outlets must be provided with an earth ground conductor (safety ground). A
safe electrical earth connection must be provided to each power cord.
l
Required voltage: 100-120 V~ or 200-240 V~. Frequency: 50 to 60 Hz.
System specifications
Model
Watts
BTU/
hour
Power (VA)
(120V/230V)
Size (U) Power
connectors
Weight
Width
Depth
Height
DD2500
with 7
drives
394
1345
406 (3.38A/
1.76A)
2
2 x grounded,
120 VAC, NEMA
15P/R
65 lb. /
29.5 kg.
19 in. /
48.3 cm.
29.5 in. /
74.9 cm
3.5 in. /
8.9 cm.
DD2500
with 12
drives
487
1662
502 (4.18A/
2.18A)
2
2 x grounded,
120 VAC, NEMA
15P/R
73 lb. /
33.1 kg.
19 in. /
48.3 cm.
29.5 in. /
74.9 cm.
3.5 in. /
8.9 cm.
l
Operating temperature: 50° to 95° F (10° to 35° C), derate 1.1° C per 1000 feet,
above 7500 feet up to 10,000 feet.
l
Operating humidity: 20% to 80%, non-condensing.
Installation and Setup Guide
4
Installation and Setup Guide
