Enterasys C2RPS-SYS Installationsanleitung PDF herunterladen (Seite 26)

100BASE-TX Twisted Pair Network

2-2 Network Requirements

100BASE-TX Twisted Pair Network

Whenconnectinga100BASE‐TXsegmenttooneofthefixedRJ45ports(oddnumbered

ports1‐15),useCategory5UTPcabling.The

deviceattheotherendofthetwisted pair 

segmentmustmeetIEEE802.3‐2 002100BASE‐TXFastEthernetnetworkrequirementsfor

the

SecureStackA2tooperateat100Mbps.

1000BASE-T Twisted Pair Gigabit Ethernet Network

TheoptionalMGBIC‐02supports1000BASE‐TcompliantRJ45copperconnections.When

connectinga1000BASE‐Tsegment,useCategory5UTPcabling.Thedeviceattheother

endofthetwistedpairsegmentmustmeetIEEE802.3‐20021000BASE‐TGigabitEthernet

networkrequirementsforthedevicestooperat e at1000

Mbps.

WhentheA2isinstandal onemode(notstacked),thetwostackports17and18maybe

user‐configuredtoserveasastandardswitch portsallowingGigabituplinktothe

network.

100BASE-FX Multimode Fiber-Optic Network

TheA2H254‐16provides8portsthatsupport100Mbpsmultimodefiber‐optic

connectivityusingthefixedfront‐panelMT‐RJports(evennumberedports2‐16).The

MT‐RJfixedfront‐panelportssupport100BASE‐FXfiber‐opticcabling.Thedeviceatthe

otherendofthefiber‐opticsegment

mustmeet100BASE‐FXFastEthernetnetwork

requirementsforthedevicestooperateat100Mbps.IEEE802.3u100BASE‐FX

characteristicsforMultimodeFiberisasegmentlengthof412meters(switchedport)in

halfduplex,2kilometers(switchedport)infullduplex.Thisdistancewillbeconsiderably

shorterfrom

arepeaterport. Makesuretocheckyournetworkdiameterspecifications.

RefertotheCablingGuidefordetails.

Note: When using the fixed RJ45 ports on the SecureStack A2 for 100 Mbps operation

use Category 5 UTP cabling with an impedance between 85 and 111 ohms for 100 Mbps

operation.

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Enterasys C2RPS-SYS Installationsanleitung Seite 26