Installation guide

Introduction
1.1 DECarray Overview
Table 1–2 DECarray Specifications
Characteristic Specification
Number of disk ISEs Minimum: 2, maximum: 24
Formatted storage capacity Minimum: 2, maximum: 48 (in 2 or 4 GB
increments)
Dimensions (nominal) 152.4 cm (60.5 inches) H, 60.96 cm (24.0
inches) W, 76.2 cm (34.0 inches) D
Weight
Minimum configuration
Maximum configuration
228 kg (500 lb)
454 kg (1000 lb)
Agency compliance FCC, UL, IEC, CSA, and VDE
Temperature +10°C to +40°C (+50°F to +104°F).
Reduce rating by 1.8°C for each 1000
meters altitude
(1.0°F for each 1000 feet altitude)
Humidity 10% to 85% @ maximum wet bulb
temperature of +32°C (+90°F) and
minimum dew point of +2°C (+36°F)
Recommended Environmental Limits
1
Operating environment
Temperature 18°C to 24°C (64.4°F to 75.2°F) with
an average rate of change of 3°C/hour
maximum and a step change of 3°C or less
Relative humidity 40% to 60% (noncondensing) with a step
change of 10% or less (noncondensing)
Altitude Up to 2400 meters (8000 feet)
Air quality (maximum
particle count)
Not to exceed 500,000 particles per cubic
foot of air at a size of 0.5 micron or larger
Air volume (at inlet) 50 cubic feet per minute (0.026 cubic meters
per second)
Nonoperating environment
Temperature -40°C to +66°C (-40°F to +151°F)
Relative humidity 10% to 80%, noncondensing
1
These limits are for optimum equipment performance and reliability.
(continued on next page)
1–4 Introduction