D
ESCRIPTION

OF

H

ARDWARE

1-7

Stack
Master
Green Switch is the Master unit of the stack. State
may include topology discovery, IP
assignment, or normal operations.
Flashing Green Switch is the Master unit of the stack, system
is initializing.
Amber Switch is operating as a Slave unit in the stack.
Flashing Amber System in Master arbitration/election state.
Off System in standalone mode.
Stack
Link
Green Uplink and downlink operating normally.
Flashing Green Uplink has failed.
Flashing Amber Downlink has failed.
Off No stacking link present.
Module Green An expansion module is installed and
operating normally.
Amber An expansion module is installed but has
failed.
Off There is no module installed.
Stack ID 1-8 Indicates the switch stack ID.
The Master unit is numbered 1. (Note that If
the master unit fails and a backup unit takes
over, the stack IDs do not change.)
Slave units are numbered 2-8.
Off In standalone mode.

Table 1-2 System Status LEDs (Continued)

LED Condition Status