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Cabinet Requirements and Specifications for an EX8208 Switch
You can mount an EX8208 switch on a cabinet that contains a 19-in. rack as defined in
Cabinets, Racks, Panels, and Associated Equipment (document number EIA-310-D)
published by the Electronics Industry Association (http://www.eia.org).
Cabinet requirements consist of:
•
Cabinet size and clearance
•
Cabinet airflow requirements
Table 40 on page 100 summarizes cabinet requirements and specifications for EX8208
switches.
Table 40: Cabinet Requirements and Specifications for an EX8208 Switch
Guidelines for the EX8208 SwitchCabinetRequirement
•
TheminimumcabinetsizeforaccommodatinganEX8208
switchis23.62in.(60cm)wideand30.0in.(76.2cm)deep.
Large cabinetsimprove airflow and reducethe chanceof
overheating.Toaccommodatea single EX8208 switch in
a four-postrack,the cabinetmust be at least14 U high (or
15 U if youinstall the power cordtray,which is optional for
the four-postrack).Toaccommodatea single EX8208
switch in a two-postrack,the cabinet must be atleast15
U high.
A U is the standardrackunit defined in Cabinets, Racks,
Panels, and Associated Equipment (documentnumber
EIA-310–D)published bythe Electronics Industry
Association (http://www.eia.org).
•
Withadequate coolingair and airflowclearance,youcan
stackthreeEX8208 switchesin a cabinet with a four-post
rackthathas atleast42 U of usableverticalspace.(45U
arerequiredifyouinstalltheoptionalpowercordtray.)You
canstack threeEX8208 switchesin a cabinetwith a
two-postrackthathasatleast45Uofusableverticalspace
(fortwo-postrackinstallations, installing the power cord
tray is mandatory). In all cases, the rackmust meetthe
strengthrequirementstosupport the weight.
•
Theminimum totalclearanceinside the cabinet is 29.2 in.
(74.17 cm) between the inside of the frontdoor and the
inside of the reardoor.
Cabinetsize and clearance
Copyright ©2010,Juniper Networks,Inc.100
CompleteHardwareGuide forEX8208 EthernetSwitches