Allied-telesis AT-8550SP Manual de usuario descargar pdf (Pagina 33)

AT-8500 Series Fast Ethernet Switch Installation Guide

GBIC and SFP Expansion Slot LEDs

The GBIC and SFP slots on the AT-8550GB and AT-8550SP switches,

respectively, have two LEDs. The LEDs display the operating status of the

fiber optic port. Use the Mode Select button on the switch to toggle the

status information displayed by the MODE LED. The LEDs are defined in

Table 6.

Table 6 LEDs for the Optional GBIC and SFP Ports on an AT-8550GB and

AT-8550SP Switches

LED State Description

LINK OFF Indicates that there is no link between the

port and the end node.

Solid

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 - SPD Solid

Green

Indicates that the port is operating at 1000

Mbps.

Mode - FDX OFF Indicates that the port is operating in

half-duplex mode.

Solid

Green

Indicates that the port is operating in

full-duplex mode.

Mode - ACT OFF Indicates that there is no activity on the

port.

Flashing

Green

Indicates that the port is transmitting and/

or receiving data packets.

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Allied-telesis AT-8550SP Manual de usuario Pagina 33