Item
LED
Status
Description
1
Out of service
Red
SSM out of service
Off (Normal)
SSM hardware is normal
2
Power
On (Normal)
Power on
Off
Power off
3
Hot-swap
Blue
SSM can be safely removed
Blue blinking
SSM is going to standby mode. Do not remove
SSM is active. Do not remove
4
SYN ACT
Normal operation
N/A
5
Link
On
Link enabled
Yellow blinking
Link is active
Link is disabled