Allied Telesis Switch AT-SBXPWRSYS1 Manual do Utilizador descarregar pdf (Página 35)

SwitchBlade x3112 Installation Guide

10/100/1000Base-T Twisted Pair Ports

This section applies to the 10/100/1000Base-T ports on the AT-

SBx31GT24, AT-SBx31GT40, and AT-SBx31GP24 PoE Ethernet Line

Cards.

Connector Type The ports on the AT-SBx31GT24 and AT-SBx31GP24 Line Cards have 8-

pin RJ-45 connectors. The ports on the AT-SBx31GT40 Line Card have 8-

pin RJ point 5 connectors. The ports use four pins at 10 or 100 Mbps and

all eight pins at 1000 Mbps. The pin assignments are listed in “Port

Pinouts” on page 220.

Speed The ports can operate at 10, 100, or 1000 Mbps. The speeds can be set

automatically through Auto-Negotiation, the default setting, or manually

with the SwitchBlade x3112 Management Software.

Note

Twisted-pair ports have to be set to Auto -negotiation to operate at

1000 Mbps. You cannot manually set twisted-pair ports to 1000

Mbps.

Duplex Mode The twisted-pair ports on the AT-SBx31GT24 and AT-SBx31GP24 Line

Cards can operate in either half- or full-duplex mode at 10 or 100 Mbps.

Ports operating at 1000 Mbps can only operate in full-duplex mode. The

twisted-pair ports are IEEE 802.3u-compliant and Auto-Negotiate the

duplex mode setting.

You can disable Auto-Negotiation on the ports and set the duplex mode

manually.

Note

Switch ports that are connected to 10 or 100 Mbps end nodes that

are not using Auto-Negotiation should not use Auto-Negotiation to

set their speed and duplex mode settings, because duplex mode

mismatches might occur. You should disable Auto-Negotiation and

set the speed and duplex mode settings manually with the

SwitchBlade x3112 Management Software.

Note

The ports on the AT-SBx31GT40 Line Card only support full-duplex

mode.

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