Allied Telesis SwitchBlade x8112 - Manual (Page 46)

Chapter 1: Overview
46
Table 10. SYS (System) Status LEDs
LED State Description
CFC
Solid Green Indicates that the AT-SBx81CFC400 Controller
Fabric Card is operating normally as the active
master controller card.
Flashing
Green Indicates that the controller card is initializing its
management software or synchronizing its
database with the active master controller card.
Solid
Amber Indicates that the controller card is operating
normally as the standby master controller card.
Flashing
Amber Indicates that the controller card is disabled.
Possible causes are:
 The standby master controller card was
disabled by the active master controller card
because the two cards have incompatible
versions of the management software and
were unable to resolve the problem, possibly
because of insufficient free flash memory.
PSU
Solid Green Indicates that the power supplies are operating
properly.
Flashing
Amber Indicates that a power supply is experiencing a
problem. Possible causes are:
 The input AC voltage from a power source is
not within the normal operating range of a
power supply module.
 The output DC voltage from a power supply
module to the line cards is not within the
normal operating range.
 A power supply is experiencing high
temperature.
 A power supply has failed.
Check the status LEDs on the individual power
supply modules to determine which module has a
fault condition.
FAN
Solid Green Indicates that the fan module is operating properly.
Flashing
Amber Indicates that the fan module has a problem. The
fans are operating below the normal operating
range or have stopped.