Allied-telesis AT-GS900/24 Manual de usuario descargar pdf (Pagina 15)

AT-GS900/16, AT-GS900/24 Fanless Gigabit Ethernet Switches Installation Guide

Hardware Feature Description

The following sections describe hardware features of the AT-GS900/16

and AT-GS900/24 Fanless Gigabit Ethernet switches:

 System and Port LEDs

 Twisted Pair Ports

 AC Power Connector

Twisted Pair

Ports

The AT-GS900/16 Fanless Gigabit Ethernet switch features 16 twisted

pair ports, and the AT-GS900/24 Fanless Gigabit Ethernet switch features

24 twisted pair ports.

Type of Connector

The twisted pair ports feature 8-pin RJ-45 connectors. (For the port

pinouts, refer to RJ-45 Twisted Pair Port Connectors “RJ-45 Twisted Pair

Port Connectors” on page 39.)

Speed

The ports are 10Base-T, 100Base-TX, and 1000Base-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

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 19.

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