Appendix A - Troubleshooting
60
Version 1.6.1.0
September 30, 2010
The Fault LED tracks the state of the fault relay. (The fault relay signals appear on pins of the
GPIO connector.)
Note:
The RED state does not necessarily indicate a problem, but that audio is not actively
being processed and passed. This state occurs normally when the unit is rebooting or has not
yet been configured to run a Project. It also occurs when the unit has encountered a problem
and can no longer process and pass audio.
X-DAB
GREEN
Primary and backup rings are operational.
YELLOW OR
GREEN
BLINKING
Running in backup with single cable missing -
all audio present.
YELLOW/RED
OR RED
BLINKING
Running in backup mode with multiple
cables/nodes missing - some audio gone.
RED
Failure - some or all audio gone. Not running
in backup mode.
OFF
XDAB is not in use (in the current Project/Role
for this NioNode).
Note:
The XDAB LED is updated only when XDAB is used by the NioNode in the current
Project and the NioNode is up and passing audio.
LAN
GREEN Ethernet
link.
OFF
No Ethernet Link.
CobraNET
GREEN Ethernet
link.
GREEN
BLINKING
Ethernet link and NioNode is
CobraNet Conductor.
RED
No link or CM-1 missing or
malfunctioning, and NioNode
is configured to use CM-1.
OFF
No link or CM-1 missing or
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