ConnectX®-4 Multi-Host Evaluation Board (EVB)
User Manual
Rev 1.0
Mellanox Technologies
11
5.2
LED Operation
There is a one bicolor LED per port.
RefDes
LED
Function
D1, D2
Yellow - physical
link
•
Constant on indicates a good physical link.
•
Blinking indicates a problem with the physical link.
•
If neither LED is lit, then the physical link has not been established.
Green - logical (data
activity) link
•
A constant yellow indicates a valid logical (data activity) link without
data transfer.
•
A blinking yellow indicates a valid logical link with data transfer.
•
If only the green LED is lit and the yellow LED is off, then the logical
link has not been established.
D4, D9
Blue
•
Thermal warning in the EQSFP ports.
D3
Yellow
•
Thermal warning - ConnectX-4 reached 105°C.
D6
Red
•
Thermal Shutdown - ConnectX-4 is overheated and reached 120°C.
D8
Green
•
12V is valid on board.
D7
Green
•
Power good is valid and all power supplies are functioning.
Red
•
Power good has an error.
