Allied-telesis AT-9448Ts/XP (Basic Layer 3) Bedienungsanleitung PDF herunterladen (Seite 36)

Chapter 1: Overview

36

Stack LEDs

The Stack LEDs reflect the status of the two Stack ports on the optional

AT-StackXG Stacking Module for the AT-9424Ts, AT-9424Ts/XP, and

AT-9448Ts/XP Switches. The module, which does not have LEDs, is used

to build a stack of up to five or eight devices. These LEDs remain off if the

optional module is not installed. For further information, refer to

“Expansion Slot” on page 37.

Table 7 Stack LEDs

LED State Description

MSTR Off The switch is not the master unit of the stack.

Green The switch is acting as the master unit of the

stack.

1 L/A Off Stack Port 1 has not established a link to a

stacking port on another AT-StackXG Stacking

Module.

Green Stack Port 1 has established a link to a

stacking port on another AT-StackXG Stacking

Module.

Flashing

Green

Stack Port 1 has established a link to a

stacking port on another AT-StackXG Stacking

Module and is sending or receiving packet

traffic.

2 L/A Off Stack Port 2 has not established a link to a

stacking port on another AT-StackXG Stacking

Module.

Green Stack Port 2 has established a link to a

stacking port on another AT-StackXG Stacking

Module.

Flashing

Green

Stack Port 2 has established a link to a

stacking port on another AT-StackXG Stacking

Module and is sending or receiving packet

traffic.

PRES Off The expansion slot for the AT-StackXG

Stacking Module is empty.

Green The AT-StackXG Stacking Module is installed

in the expansion slot.

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