Stack Leds - Allied Telesis AT-9408LC/SP Installation Manual

Chapter 1: Overview

Stack LEDs

36
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.
LED State
MSTR Off
Green
1 L/A Off
Green
Flashing
Green
2 L/A Off
Green
Flashing
Green
PRES Off
Green
Table 7 Stack LEDs
Description
The switch is not the master unit of the stack.
The switch is acting as the master unit of the
stack.
Stack Port 1 has not established a link to a
stacking port on another AT-StackXG Stacking
Module.
Stack Port 1 has established a link to a
stacking port on another AT-StackXG Stacking
Module.
Stack Port 1 has established a link to a
stacking port on another AT-StackXG Stacking
Module and is sending or receiving packet
traffic.
Stack Port 2 has not established a link to a
stacking port on another AT-StackXG Stacking
Module.
Stack Port 2 has established a link to a
stacking port on another AT-StackXG Stacking
Module.
Stack Port 2 has established a link to a
stacking port on another AT-StackXG Stacking
Module and is sending or receiving packet
traffic.
The expansion slot for the AT-StackXG
Stacking Module is empty.
The AT-StackXG Stacking Module is installed
in the expansion slot.