Panel leds – H3C Technologies H3C MSR 20-1X User Manual
Page 14
7
Panel LEDs
respectively describe the LEDs on the front and rear panels of the MSR 20-12 router.
Table 6 Front panel LEDs of the MSR 20-12 router
LED Description
PWR
•
ON: The router is powered on.
•
OFF: The router is powered off.
SYS
•
Green and fast blinking: The system is booting.
•
Green and slow blinking: The system is operating normally.
•
Yellow and fast blinking: The system is faulty.
•
OFF: The system operation is abnormal.
ETH
•
OFF: No link is present.
•
ON: A link is present.
•
Blinking: Data is being transmitted or received.
WLAN
When Boot ROM is booting:
•
Blinking: The basic Boot ROM is booting.
•
ON: The extended Boot ROM is booting.
When the router is running:
•
Slow blinking: The system is operating normally.
•
Fast blinking: There is heavy traffic.
•
OFF: The system operation is normal.
Table 7 Rear panel LEDs of the MSR 20-12 router
LED Description
LINK
•
OFF: No link is present.
•
ON: A link is present.
ACT
•
OFF: No data is being transmitted or received.
•
Blinking: Data is being transmitted or received.