Allied-telesis AT-8550SP Uživatelský manuál stáhnout pdf (Strana 32)

Overview

Fiber Optic Port LEDs

This section applies to the AT-8516F/SC switch. The fiber optic ports on

an AT-8516F/SC switch have two LEDs, labeled L/A and D/C. The LEDs

are defined in Table 5.

Note

The AT-8516F/SC switch does not have an LED Mode Select button.

Table 5 LEDs for the Fiber Optic Ports on the AT-8516F/SC Switch

LED State Description

L/A OFF Indicates no link has been established

between the port and the end node.

Green Indicates a valid link exists between the port

and the end node.

Flashing

Green

Indicates that the port is transmitting and/or

receiving data packets.

D/C Green Indicates that the port is operating in full-

duplex mode.

Amber Indicates that the port is operating in half-

duplex mode.

Flashing

Amber

Indicates that data collisions are occurring on

the port.

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 113 114

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Allied-telesis AT-8550SP Uživatelský manuál Strana 32