Allied Telesis AlliedView-EMS 4.0.3 Device-Management - Manual (Page 315)

AlliedView™-EMS 4.0.3 Device Management Guide Page 315 of 468
AT-x600-48Ts/XP
Device Manager LEDs for the AT-x600 Series
LED State Description
PWR Green
Gray
The Power Supply Unit (PSU) is installed and functioning in the
PSU bay.
The Power Supply Unit (PSU) is either not installed or not
functioning in the PSU bay.
DUPLEX Green
Orange
The port is operating at full duplex.
The port is operating at half duplex.
RPS Green
Gray
Orange
An optional redundant power supply is connected to the switch
and is turned on.
There is no redundant power supply connected to the switch.
An optional redundant power supply is connected to the switch
but is turned off.
STACK ID Green
Gray
The stacked unit is either the Stacking Master or the Backup
Master.