Hardware Feature Description; 10/100Base-Tx Twisted Pair Ports - Allied Telesis AT-GS900/5E Guia De Instalacion

Chapter 1: Product Description

Hardware Feature Description

10/100Base-TX
Twisted Pair
Ports
The below sections describe the hardware features of the AT-GS900/xE
Gigabit Ethernet switch:
Five or eight 10/100/1000 Mbps twisted pair ports
System and port LEDs
DC power jack
The AT-GS900/xE Gigabit Ethernet switch features sixteen twisted pair
ports. The features of the twisted pair ports are explained in the following
sections.
Type of Connector
All twisted pair ports feature 8-pin RJ-45 connectors. (For the port pinouts,
refer to "RJ-45 Twisted Pair Port Connectors" on page 36.)
Speed
The ports are 10Base-T, and 100Base-T compliant and are capable of 10
megabits per second (Mbps), 100 Mbps, and 1000 Mbps speeds. The
ports are IEEE 802.3u Auto-Negotiation compliant. With Auto-Negotiation,
the switch automatically matches the highest possible common speed
between each switch port and each end-node. For example, if an end-
node is capable of only 10 Mbps, the switch sets the port connected to the
end-node to 10 Mbps.
Duplex Mode
Each twisted pair port on the switch can operate in either half- or full-
duplex mode. The twisted pair ports are IEEE 802.3u-compliant and will
Auto-Negotiate the duplex mode setting.
Note
In order for the switch to set the duplex mode for each port correctly,
the end-nodes that you connect to the switch ports should also use
Auto-Negotiation. Otherwise, a duplex mode mismatch can occur,
affecting network performance. For further information, refer to
"Duplex Mode" on page 18.
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