H3C MSR 20-1X Installation Manual page 16

Panel LEDs
Table 8 and
Table 8 Front panel LEDs of the MSR 20-13 router
LED
PWR
SYS
ETH
WLAN
ACT
B1
B2
Table 9 Rear panel LEDs of the MSR 20-13 router
LED
LINK
ACT
Table 9 respectively describe the LEDs on the front and rear panels of the MSR 20- 1 3 router.
Description
ON: The router is powered on.
OFF: The router is powered off.
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.
OFF: No link is present.
ON: A link is present.
Blinking: Data is being transmitted or received.
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 abnormal.
ON: The BRI interface is in the active state.
OFF: The BRI interface is in the inactive state.
ON: Data is being transmitted or received on B1 channel.
OFF: Data is being transmitted or received on B1 channel.
ON: Data is being transmitted or received on B2 channel.
OFF: No data is being transmitted or received on B2 channel.
Description
OFF: No link is present.
ON: A link is present.
OFF: No data is being transmitted or received.
Blinking: Data is being transmitted or received.
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