Enterasys-networks Enterasys SecureStack B2 B2G124-24 Manual de usuario descargar pdf (Pagina 52)

Connecting to the Network

3-22 Hardware Installation

Figure 3-12 Connecting to a Modem

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Mini‐GBIC.

• ConnectingUTPCablesonpage 3‐22

• ConnectingFiber‐OpticCablestoMT‐RJPortsonpage 3‐26

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

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 3‐13andproceedas

follows:

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

powered ON.

1 DB9 female cable connector 4 DB25 male connector 7 PC with VT emulation application

2 Serial interface cable 5 Local modem

3 DB9 male Console port 6 Remote modem

ÂÃ Á À

ÄÅÆ

Console

CPU

RPS

MGR

DOWN

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.

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Enterasys-networks Enterasys SecureStack B2 B2G124-24 Manual de usuario Pagina 52