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Chapter 4. Using the Front Panel
4-4 ATLAS 810
PLUS
User Manual 61200266L1-1
Table 4-3. LED Descriptions
For these LEDs... This color light... Indicates that...
System
Green (solid) No diagnosed system faults were found.
Green (fast blink) Flash download is in progress.
Yellow (solid) A fault was diagnosed, but the condition no longer
exists. The condition will be recorded in the system
log.
Red (solid) An error condition with either the power supply or the
temperature is present.
Red (fast blink) A fatal error occurred during flash download.
Off Power is not currently supplied to the system.
Controller Status
OK (green) Both network interfaces are operating normally with
error-free operation. If either interface experiences
alarms, the
OK
LED remains off.
Test (yellow) One of the interfaces is operating in a test mode. This
includes a self-test, a test pattern, or a test loopback.
When illuminated, this LED also indicates that normal
data flow is not occurring in at least one of the module
ports.
Error (flashing red) Indicates an error such as BPV (bipolar violation),
OOF (out of frame), or CRC (cyclic redundancy
check).
Alarm (red) An alarm condition has been detected. When the
alarm condition is no longer valid, the
OK
LED
illuminates. To view an alarm condition, select the
active alarm menu item or select
Alarm
by pressing
Shift
+ 8
. If the alarm conditions have been corrected,
you can view the alarm which caused the activation of
the
Alarm
LED under the
View History
menu.
Module Status
Green (solid) The module is OK.
Green (blinking) The module has been disabled by the user.
Red (solid) At least one port on the module has an alarm.
Red (blinking) The module is enabled, but is not responding to the
system controller.
Off No module occupies the slot.
Module Online
Green (solid) The module is available for use or is currently in use. If
the module is manually taken offline, this LED is
turned off.
Module Test
Yellow (solid) One or more ports in a module are in test.