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Connecting 48 Vdc Power for PoE Operation
3-12 Installation
Connecting 48 Vdc Power for PoE Operation
TheMatrix N7(7C105‐P)chassisprovides48VdctoconnectedPDs(powereddevices)by
wayofitsbackplaneconnectiontoaPoE‐compliantDFE module
suchasthe7G4285‐49or
7G4205‐72.
ForaMatrixE7,(6C107),MatrixN3(7C103)andMatrixN7(7C107)chassis,anoptional
externalEnterasysMatrixN‐POEPowerSystemisrequiredtosupportPDconnectionsto
the7G4285‐49.ThepowerfromtheMatrixN‐POEPowerSystemissupplied
througha
DCpowercableconnectiontothefront‐panel48VdcOptionalPowerconnectoronthe
7G4285‐49.
RefertotheMatrixN‐SeriesN‐POEPowerSystemInstallationGuidetoinstallandconnecta
MatrixN‐POEPowerSystemtothe7G4285‐49.
Connecting to the Network
Thissectionprovidestheproceduresforconnectingunsh ieldedtwistedpair(UTP)
segmentsfromthenetworkorotherdevicestothe7G4285‐49and7G4205‐72
(“ConnectingUTPCablestoDFEModules”onpage 3‐13).
Warning: The 48 V wire harness contains two fuses, F11 and F29. If a fuse needs to be
replaced, it must be done by service personnel only. The fuse must be replaced with the
same Type and Rated fuse 20 A, 400 VDC.
Advertencia: E arnes del cable de 48V contiene dos fusibles, F11 y F29. Si un fusible
requiere ser reemplazado, debe ser hecho por personal de servicio unicamente. El fusible
debe ser reemplazado por uno del mismo tipo y clasificado como fusible de 20 A,
400 VDC.
Warnhinweis: Im Kabelbaum der 48V Zuleitung befinden sich 2 Sicherungen, F11 und
F29. Die Sicherung darf nur duch Fachpersonal getauscht werden und darf auch nur
durch den gleichen Typ ersetzt werden ( 20A / 400VDC ).
Note: If you are planning to install a PoE-compliant DFE module such as the 7G4285-49
in a Matrix N3 (7C103) or Matrix N7 (7C107) chassis, install and connect the Matrix
N-POE Power System before connecting to PDs.
Note: If the module is being installed in a network using Link Aggregation, there are rules
concerning the network cable and port configurations that must be followed for Link
Aggregation to operate properly. Before connecting the cables, refer to the Enterasys
Matrix DFE-Platinum Series Configuration Guide for the configuration information. For
details on how to obtain manuals, refer to the “Related Documents” in About This Guide.