4
• Appearance and Mechanism
Chapter 2
2.2 LED Identification
This section provides an overview of the front and rear LEDs.
2.2.1 Front LEDs
Upper SFP+ Port LED
Lower SFP+ Port LED
QSFP+ Port LED
Power LED
System LED
Locator LED
Fan LED
(Figure 2-3: Front LED Identification)
LED
Description
System LED
•
Off
– Power is off
•
Solid Green
– Normal operation
•
Blinking Green
– Booting in progress
•
Solid Yellow
– Major Fault and the faults are Traffic Affecting
•
Blinking Yellow
– Minor Fault and Non-Traffic Affecting
Power LED
•
Solid Green
– Booting
•
Off
– Power is disconnected
When NOS is running:
•
Solid Green
– 2 Power Supplies are supplied to the switch and operating
normally
•
Solid Yellow
– Single power supply is installed and operating
•
Blinking Yellow
– 2 Power Supplies are installed, but only single power
supply is operating
Fan LED
•
Solid Green
– FAN operating normally
•
Solid Yellow
– FAN is failed including incompatible airflow direction
Locator LED
•
Off
– LED is turned off
•
Blinking Green
– The locator function is enabled
•
Solid Green
– The locator function is disabled
10G SFP+ slots
(Two LEDs per
port)
•
Off
– No link
•
Solid Green
– A valid 10Gbps link
•
Solid Yellow
– A valid 1G link
•
Blinking Green
– Packet transmission or reception in progress
