Table 17: SLX 9640 device LED Indications (continued)
LED Function/state
Meaning
Possible cause
Management port link LED
OFF
ON
Indicates port link status
Not cabled
A link is up
The Ethernet LEDs are integrated
with the RJ45 connector and are
driven by the respective Ethernet
Phys.
Management port speed LED
ON
OFF
Indicates port speed status
Link is up in 1 GbE mode
Link is up in 100 Mbps mode, or
10 Mbps mode, or no link
Power Supply Input Status (On PSU)
Off
Unit is OFF or FAULT condition
- Input Voltage is Above over
voltage range or Below under
voltage range
- No input Power present
Green Blinking
OV/UV warning
Input voltage is in OV or UV
warning range
Green Steady
OK
Input voltage is nominal.
Power Supply Output Status (On PSU)
Off
No Power
Green Blinking
Stand-By
Standby output enabled with no
power supply warning or fault
detected
Green Steady
Power GOOD
Main output and standby output
enabled with no power supply
warning or fault detected
Amber Blinking
Warning
Power supply warning detected
as per PMBus STATUS_X
reporting bytes
Amber Steady
FAULT
Power supply fault detected as
per PMBus STATUS_X reporting
bytes
Fan Status LED (On Fan FRU)
Off (no light)
No Power
Green Steady
Fan operates per specification
(Normal)
Amber Steady
Fan needs attention/
replacement
10G/100G Port LEDs (Green only)
Solid Off
No Link
Solid ON
Link, no traffic
Mismatched airflow fan or fan
runs below setting speed.
Green Flicker
Link, traffic
Activities
LED indicators
Monitoring the Device
76
ExtremeRouting SLX 9640 Hardware Installation Guide