Allied Telesis AT-SBXPWRPOE1 User Manual

SwitchBlade x3112 Installation Guide

55

The SBx STATUS LEDs display general status information about the 
Ethernet line cards and control cards. There is one LED for each slot. If the 
chassis has two control cards, the SBx Status LEDs on both cards are 
active. The states of the LEDs are defined in Table 13.

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. One 
or more of the fans is operating below the normal 
operating range or has stopped.

Table 12.   SYS (System) Status LEDs (Continued)

Table 13.   SBx STATUS LEDs

0 to 11

Off

Indicates that the slot is empty.

Solid Green

Indicates that the Ethernet line or control 
card is operating normally.

Flashing Green

Indicates that the card is booting up, in test 
mode, or loading the configuration settings.