Allied Telesis AT-SBx81CFC960 - Manual (Page 36)

Chapter 1: Chassis and Power Supplies
36 Section I: Hardware Overview
Table 5. Power Supply Interface LED
LED State Description
Power
Solid Green The interface is operating normally.
Off Here are the possible conditions for this LED
state:
 The corresponding power supply
slots of the interface are empty.
 The power supplies in the power
supply slots are powered off or have
failed.
 The power supplies in the power
supply slots are powered on and
functioning normally, but the power
supply interface has failed.