1-6 Site Requirements and Recommendations
HN4000 Hardware Installation Guide 920550-5020 Rev 14
1.4 Site Requirements and Recommendations
Table1‐3liststheHN4000environmentalrequirementsforHN4000equipmentoperatingin
COorOSPenvironments.
Table1‐4liststheinstallationclearancesfortheHN4000equipment.Theclearancedareasmust
provideforafreeflowofair.
SeeAppendix CforacompletelistofHN4000technicalspecifications.
Table 1-3 Environmental Conditions
Item Requirement
OperatingTemperature ‐40°C(‐40°F)to+65°C(+149°F),perGR‐3108Class2
ShortTermHumidity 5%to90%non‐condensing,perGR‐63‐CORE
Altitude Upto5,900feet(1800meters)‐Fulltemperaturerange
Deratetheambienttemperatureby1degF/400ft(1degC/220m)above5900
ft(1800m).
SeismicZones1‐4 StandardANSI19”and23”racks
StandardETSI600mmrack
Mountinseismicstrengthenedandapprovedracksorcabinets.Theracks
mustbesecuredtothefloorusinganchorboltspertherackmanufacturer’s
instructions.
IntendedEnvironment CentralOffice(CO)orOutsidePlant(OSP)locationthathasaclosed‐
loop/filteredcoolingsystem(suchasaControlledEnvironmentVault(CEV)
orRemoteTerminal(RT)).
Table 1-4 HN4000 Installation Clearances
Area HN4000 Side-Exhaust Model
Clearances
HN4000 Rear-Exhaust Model
Clearances
Rear Flush 4”(100mm)
Front >3”(>75mm) >3”(>75mm)
RightSide(FacingUnit) 4”(100mm) Flush
LeftSide(FacingUnit) 4”(100mm) 4”(100mm)
TopandBottom Flush Flush
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General