Dell FC4500 Reference Guide - Page 97

Operating Limits, Requirement, Description

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Technical Specifications and Operating Limits A Operating Limits The ambient temperature specification is measured at the front door inlet. The site must have air conditioning of the correct size and placement to maintain the specified ambient temperature range. The air conditioning must be able to handle the BTU requirements of the DPEs. Requirement Ambient temperature Temperature gradient Relative humidity Elevation Drive module power Description 10°C to 40°C (50°F to 104°F) 10°C/hr (50°F/hr) 20% to 80% noncondensing 2438 m (8,000 ft) at 40°C; 3077 m (10,000 ft) at 37°C 25 W drive slot maximum (seeking) The operating limits listed above for temperature and humidity must not be exceeded inside the closed cabinet in which the DPE and any DAEs are mounted. Mounting equipment in a cabinet directly above or below a DPE does not restrict air flow to the DPE because air flows through the DPE from front to back. Cabinet doors must not impede the front-to-back air flow. Operating Limits A-5

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A
Operating Limits
A-5
Technical Specifications and Operating Limits
Operating Limits
The ambient temperature specification is measured at the front door
inlet. The site must have air conditioning of the correct size and
placement to maintain the specified ambient temperature range. The
air conditioning must be able to handle the BTU requirements of the
DPEs.
The operating limits listed above for temperature and humidity must not be
exceeded inside the closed cabinet in which the DPE and any DAEs are
mounted. Mounting equipment in a cabinet directly above or below a DPE
does
not
restrict air flow to the DPE because air flows through the DPE from
front to back. Cabinet doors must not impede the front-to-back air flow.
Requirement
Description
Ambient temperature
10
°
C to 40
°
C (50
°
F to 104
°
F)
Temperature gradient
10
°
C/hr (50
°
F/hr)
Relative humidity
20% to 80% noncondensing
Elevation
2438 m (8,000 ft) at 40
°
C; 3077 m (10,000 ft) at 37
°
C
Drive module power
25 W drive slot maximum (seeking)