48
LEDs and DIP switches
About LEDs
Interpreting the LEDs
The LEDs on the front panel of the appliance have three states: solid on, flashing, and solid off. The
combination of the Error and Transmit LED states indicate the status of the appliance.
Table D-2
describes
the LED state combinations and appliance status that they indicate.
LiveUpdate LED status
Automatic firmware updates using LiveUpdate have a special set of LED sequences.
Table D-3
describes the
LED activity before, during, and after a LiveUpdate firmware update.
6
Wireless-
active
Illuminates or flashes when the wireless card is transmitting or
receiving data.
Table D-1
LEDs (Continued)
Location Symbol
Feature
Description
Table D-2
LED states and appliance status
Error LED state
Transmit LED state
Appliance status
Solid off
Solid on
Normal operation.
Solid off
Flashing
Transmitting/receiving Data from LAN.
Flashing
Flashing
■
MAC address not assigned.
■
Firmware problem. Appliance is ready for a forced
download.
■
Appliance detected an error and cannot recover.
Flashing
Solid on
Configuration mode.
Solid on
Solid on
Hardware problem.
Flashing once
Solid off
RAM error.
Flashing twice
Solid off
Timer error.
Flash three
Solid off
DMA error.
Solid on
Flashing once
LAN error.
Solid on
Flashing twice
WAN error.
Solid on
Flashing three
Serial error.
Solid off
Solid off
No power.
Both flashing alternately.
■
Download in progress.
■
Appliance is writing to flash.
Table D-3
LED states for LiveUpdate status
LiveUpdate status
Power LED
(1) state
Error LED
(2) state
Transmit
LED (3)
state
During retrieval of LiveUpdate firmware from the Internet (or TFTP)
there is no effect on appliance operation. LEDs are in a normal
operational pattern.
On
On
On (flashing
for traffic)
Firmware downloaded and CRC verified. Flash erase begins (about 10
seconds).
On
On
On