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Enterasys Networks A2H254-16 Switch User Manual

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Connecting to the Network

SecureStack A2 Installation Guide 3-23

Connecting to the Network

Thissectionprovidestheproceduretoconnectfiber‐opticcablesfromthefixedfront

panelMT‐RJportstothenetworkorotherdevices.Inadditionthissectionwillalsocover

connectionsofanyinstalledoptionalMini‐GBICstothenetworkorotherdevices.

• ConnectingFiber‐OpticCablestoFixedMT‐RJPortsonpage3‐23

• ConnectingFiber‐OpticCablestoMT‐RJMini‐GBICPortsonpage3‐25

• ConnectingFiber‐OpticCablestoLCMini‐GBICPortsonpage3‐27

• ConnectingUTPCablestoRJ45Portsonpage3‐29

Connecting Fiber-Optic Cables to Fixed MT-RJ Ports

Thissectionprovidestheproceduretoconnectfiber‐opticcablesfromthe100BASE‐FX,

MT‐RJfixedfrontpanelportsoftheA2H254‐16tothenetworkorotherdevices.Each

fiber‐opticlinkconsistsoftwofiber‐opticstrandswithinthecable:Transmit(TX)and 

Receive(RX).

ThetransmitstrandfromanA2H254‐16portconnectstothereceiveportofafiber‐optic

100BASE‐FXEthernetdeviceattheotherendofthesegment.Thereceivestrandofthe

applicableMT‐RJportontheswitchconnectstothetransmitportofthefiber‐optic

100BASE‐FX

Ethernetdevice.

Toconnectafiber‐opticcablesegmenttotheswitch,refertoFigure3‐15andproceedas

follows:

1. Removetheprotectivecovers(notshown)fromtheMT‐RJfrontpanelconnectorand

fromtheconnectoroneachendofthecable.

Note: An odd number of crossovers (preferably one) must be maintained between devices

so that the transmit port is connected to the receive port of the other device and vice versa.

Note: Leave the protective covers in place when the connectors are not in use to prevent

contamination.

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