Installation guide

Installing the Chassis
3-10 Matrix N5 PoE Chassis (7C105-P) Installation Guide
IfyouplantoinstalloptionalN‐POE‐1200WDCpowersupplymodules,proceedto
InstallingOptionalN‐POE PSMs(page 3 ‐10)forinstructions.Otherwise,installtheDFE
EthernetmodulesasdescribedintheinstallationguideshippedwithyourDFESeries
module,thenproceedto“ConnectingACPowerto7C205‐1”
onpage 3‐13forinstructions
topowerupthechassis.
Installing Optional N-POE PSMs
WhenyoureceiveyourN5chassis,chassisbaycoversareinplaceoverbothPoEpower‐
supplybays.Thebaycovershavethreepurposes.Theyprovideanintakeairventilation
path,reduceElectromagneticInterference,andprovideaccesstothetwoslotsineach
chassisbay.Theleftbayhaspower‐supply
slots1and2;therightbay,slots3and 4.
AsshowninTable 3‐4,youcanhavepowerredundancywithtwotofourN‐POE PSMs
installedaslongasthetotalloaddoesnotexceedpowerdemandasstatedinthe
Redundancycolumn.WhentwoormoreN‐POE PSMs
areinstalled,theloadisevenly
sharedbyalltheN‐POE P SMs.Ifonepowersupplyfailsorisremovedforanyreason,the
otherpowersuppliestakeuptheload.
Note: To install the DFE modules, refer to the module installation guide for the installation
instructions. Before you power up the N5 chassis, it is recommended that you complete
the installation of any optional N-POE-PSM-1200W power supplies, as applicable, and
DFE modules.
Caution: Observe all Electrostatic Discharge (ESD) precautions when handling sensitive
electronic equipment.
Precaución: Al trabajar con equipos electrónicos sensibles, tome todas las precauciones
de seguridad para evitar descargas de electricidad estática.
Table 3-4 Power Distribution According to Number of Installed Power Supplies
Power
Supplies
Redundancy
Hot
Swappable
Power Sharing
1 None No Maximum power 1200 Watts
2 Yes, if power demand is
less than 1200 Watts.
1
1. If power requirements exceed this wattage, power redundancy is no longer supported. Removing a
power supply under this condition will cause the remaining power supplies to go into overcurrent
protection and shut down the power system.
Yes The total load is shared by both power
supplies.
3 Yes, if power demand is
less than 2400 Watts.
1
Yes The total load is shared by the three power
supplies.
4 Yes, if power demand is
less than 3600 Watts.
1
Yes The total load is shared by the four power
supplies.