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18
7
Front Panel LEDs
The NetGuardian's front panel LEDs indicate communication and alarm reporting status. LED status messages are
described below.
LED
Link
Activity
SFP
LAN
Serial
Loop
Alarm *
Config
Craft
*NOTE: Alarm must be configured for notification to be reflected in LED
Front panel LEDs
Status
Solid Green
Blink Green
Off
Solid Green
Blink Red
Blink Green
Blink Red
Blink Green
Solid Red
Blink Red
Solid Red
Blink Red
Blink Green
Blink Red
Blink Green
Front panel LED Status message descriptions
Description
Ethernet link detected
Activity detected on Ethernet link
No link detected
Link detected
Receive traffic on LAN interface
Transmit traffic on LAN interface
Receive traffic on Serial interface
Transmit traffic on Serial interface
Loopback detected on SFP interface
Unacknowledged COS alarm exists
Acknowledged alarm exists
Configuration is invalid
Configuration is valid
Receive traffic on craft interface
Transmit traffic on craft interface
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