Enterasys-networks Enterasys Platinum Distributed Forwarding Engine 7 Manuel d'utilisateur Page 31

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100BASE-TX Network
DFE-Platinum Series Hardware Installation Guide 2-3
100BASE-TX Network
Thefixedfrontpanelportsofthe7G428549and7G420572provideaconnectionthat
supportsCategory5UTPcabling.Thedeviceattheotherendofthetwistedpairsegment
mustmeetIEEE 802.32002100BASETXFastEthernetnetworkrequirementsforthe
devicestooperateat100 Mbps.The fixed
frontpanelportsalsosupportthe802.3af2003
standardforPoweroverEthernet(PoE)powersourcingapplicationsoverexisting
cabling.FormoreinformationaboutPoE,refertoAppendix C.
1000BASE-T Network
The7G428549and7G420572support10/100/1000MbpsviafixedRJ45frontpanel
connectors.Theseconnectorssupportcopperwireconnectionsthatcanoperateupto
1000 Mbps.Thedeviceattheotherendofthetwistedpairsegmentmustmeet
IEEE 802.32002networkrequirementsforthedevicestooperateatGigabit
speed.
Note: The fixed ports of the modules support Category 5 UTP cabling with an impedance
between 85 and 111 ohms for 100 Mbps operation.
The modules are capable of operating at either 10, 100, or 1000 Mbps. The module
automatically senses the speed of the other device and adjusts its speed accordingly.
Note: The fixed ports of each module support Category 5 UTP cabling with an
impedance between 85 and 111 ohms for 100 and 1000 Mbps operation and can
automatically sense the port speed of the other device and adjusts its speed accordingly.
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