Enterasys Networks C2K122-24 Manuel d'utilisateur télécharger pdf (Page 50)

Connecting to the Network

3-20 Hardware Installation

Connecting to the Network

Thefollowingprocedurescoverthecableconnectionsfromthenetworkorotherdevices

totheswitchRJ45portsoranyinstalledoptionalXFP.

• ConnectingUTPCablesonpage 3‐20

• ConnectingFiber‐OpticCablestoLCPortsonpage 3‐23

Connecting UTP Cables

ThefixedRJ45frontpanelportsare10/100/1000Mbpsportsandhaveinternalcrossovers.

Whenconnectingaworkstationtotheseports,useastraight‐throughcable.When

connectingnetworkingdevicestotheseports,suchasabridge,repeater,orrouter,usea

crossovercable.

Toconnecttwistedpairsegmentstothe 

switch,refertoFigure 3‐12andproceedas

follows:

1. Ensurethatthedevicetobeconnectedattheotherendofthesegmentis

powered ON.

2. ConnectthetwistedpairsegmenttotheswitchbyinsertingtheRJ45connectoronthe

twistedpairsegmentintothedesiredRJ45port(forexample,Port8).



Figure 3-12 Connecting a UTP Cable Segment to RJ45 port

Note: All fixed RJ45 front panel ports support Category 5 Unshielded Twisted Pair (UTP)

cabling with an impedance between 85 and 111 ohms. Category 3 cable may be used if

the connection is going to be used only for 10 Mbps.

1 RJ45 connector 3 Port 8 Link/Activity LED

2 Port 8

11 12

1 2 ... 45 46 47 48 49 50 51 52 53 54 55 ... 69 70

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Enterasys Networks C2K122-24 Manuel d'utilisateur Page 50