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Chapter 4. Using the Front Panel
For these LEDs...
System
Controller Status
Module Status
Module Online
Module Test
4-4
This color light...
Indicates that...
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.
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alarm condition is no longer valid, the OK LED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
you can view the alarm which caused the activation of
the Alarm LED under the View History menu.
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.
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.
Yellow (solid)
One or more ports in a module are in test.
PLUS
ATLAS 810
Table 4-3. LED Descriptions
. If the alarm conditions have been corrected,
+ 8
User Manual
61200266L1-1
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