Specifications

91
ASPECIFICATIONS
Environmental specifications
RadiSysdoesnotprovideenvironmentalcertificationtestingbecauseanymeaningful
emissionsagencycertificationmustincludetheentiresystem.Thus,theCPMisdesigned
andtestedtopasstheenvironmentalspecificationsnotedbelow,butisnotcertified.
WARNING! This product contains static-sensitive components and should be handled with
care. Failure to employ adequate anti-static measures can cause irreparable damage to
components.
TheoperatingenvironmentmustprovidesufficientairflowacrosstheCPMtokeepit
withinitstemperaturespecification.
Table 26. Environmental specifications
Characteristic State Value
Temperature
(ambient)
Operating +5° C to +40° C for ATCA-4500 and ATCA-4550
+5° C to +35° C for ATCA-4555
30° C/hr rate of change
Short term operating
a
–5° C to +55° C
30° C/hr rate of change
Storage –40° C to +70
°
C
Rate of change:
• 23° C to –40° C at 30° C/hr
• –40° C to 23° C at 13° C/min
• +23° C to +70° C at 30° C/hr
• +70° C to +23° C at 10° C/min
Relative humidity Operating 5% to 85% RH non-condensing
Short term operating
a
5% to 90%, RH non-condensing at +30°C but not to exceed
0.024 kg water per kg dry air.
Storage 5% to 90%, RH non-condensing at +40°C but not to exceed
0.024 kg water per kg dry air.
Short term storage
a
5% to 95%, RH non-condensing at +40°C but not to exceed
0.024 kg water per kg dry air.
Altitude Operating Up to 1800 meters (5,905 feet), +55°C
> 1800 meters up to 4000 meters (13,123 feet), derated
linearly 1°C per 305 meters from 1800-4000 meters