100BASE-TX Network
DFE-Platinum Series Hardware Installation Guide 2-3
100BASE-TX Network
Thefixedfrontpanelportsofthe7H4385‐49 provideaconnectionthatsupportsCategory
5UTPcabling.Thedeviceattheotherendofthetwistedpairsegmentmustmeet
IEEE 802.3‐2002100BASE‐TXFastEthernetnetworkrequirementsforthedevicesto
operateat100 Mbps.Thefixedfront‐panelportsalsosupportthe802.3af‐2003standard
forPowerover
Ethernet(PoE)powersourcingapplicationsoverexistingcabling.For
moreinformationaboutPoE,refertoAppendix C.
Note: The fixed ports of the module support Category 5 UTP cabling with an impedance
between 85 and 111 ohms for 100 Mbps operation.
The module is capable of operating at either 10 or 100 Mbps. The module automatically
senses the speed of the other device and adjusts its speed accordingly.
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