Allied-telesis AT-8550SP Manual de usuario descargar pdf (Pagina 28)

Overview

Twisted Pair Port LEDs and the LED Mode Select Button

This section applies to the AT-8524M, AT-8524POE, AT-8550GB, and

AT-8550SP switches.

The port LEDs on the front panel display port status information. Each

port has two LEDs. One of the LEDs displays the status of the link

between a port and its end node. The second LED, labeled MODE,

displays a variety of status information, depending on the switch model.

You use the Mode Select button on the front panel to toggle the Mode

LEDs to display different status information. The LEDs next to the Mode

Select button indicate the status being displayed by the port Mode LEDs.

Note

Toggling the Mode Selection button does not affect the normal

operations of the switch.

Table 2 describes the LEDs for the 10/100Base-TX twisted pair ports on

the AT-8524M, AT-8550GB, and AT-8550SP switches.

Table 2 LEDs for the 10/100Base-TX Twisted Pair Ports on the

AT-8524M, AT-8550GB, and AT-8550SP Switches

LED State Description

LINK OFF Indicates that there is no link between the

port and the end node.

Green Indicates a valid link has been established

between the port and the end node.

Mode - COL OFF Indicates that no data collisions are

occurring on the port.

Flashing

Green

Indicates that data collisions are occurring

on the port.

Mode - 100

(AT-8524M)

OFF Indicates that the port is operating at 10

Mbps.

Green Indicates that the port is operating at 100

Mbps.

Mode - SPD

(AT-8550GB

and

AT-8550SP)

OFF Indicates that the port is operating at 10

Mbps.

Green Indicates that the port is operating at 100

Mbps.

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Allied-telesis AT-8550SP Manual de usuario Pagina 28

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