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9920-16C Module LEDs
The rate/link/activity LEDs use the colors red, green, and blue and indicate the configured port rate,
port linkage, and port traffic activity. The LEDs also indicate fault conditions.
LED
Link/Activity
56
9920 Network Packet Broker Hardware Installation Guide
Color and state
Description
Off
No link or fault. The port is
either administratively disabled, or
is enabled but no transceiver is
installed.
White (steady)
Link in 100 Gbps mode.
White (fast
Activity in 100 Gbps mode.
blinking)
Yellow (solid)
Link in 50 Gbps mode.
Yellow (fast
Activity in 50 Gbps mode.
blinking)
Blue (steady)
Link in 40 Gbps mode.
Blue (fast
Activity in 40 Gbps mode.
blinking)
Purple (steady)
Link in 25 Gbps mode.
Purple (fast
Activity in 25 Gbps mode.
blinking)
Green (steady)
Link in 10 Gbps mode.
Green (fast
Activity in 10 Gbps mode.
blinking)
Red (steady)
Fault detected.
Monitor the Device
Red
Green Blue
1
1
1
1
1
1
1
1
0
1
1
0
0
0
1
0
0
1
1
0
1
1
0
1
0
1
0
0
1
0
1
0
0
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