ConnectX-4 VPI Single and Dual Port QSFP28 Adapter Card User Manual
Rev 1.9
Mellanox Technologies
46
7.7
Airflow Specifications
7.8
Adapter Card LED Operations
There is one bi-color I/O LED per port to indicate physical and logical link status. See
Table 13 - Physical and Logical Link Indications
Air Flow (LFM)
a
a.
Cells marked with (–) are not applicable
Air Flow Direction
Heat Sink to Port
Port to Heat Sink
Cable Type
Passive
Active
1.5W
Active
3.5W
Passive
Active
1.5W
Active
3.5W
MCX453A-FCAT
400
450
–
400
400
–
MCX454A-FCAT
400
450
–
400
400
–
MCX455A-FCAT
400
450
–
400
400
–
MCX456A-FCAT
400
500
–
400
400
–
MCX455A-ECAT
400
–
700
400
–
600
MCX456A-ECAT
400
–
800
400
–
600
LED Color and State
Description
Off
Physical link has not been established
Solid Yellow
Indicates an active physical link
Blinking Yellow
Indicates a problem with the physical link
Solid Green
Indicates a valid logical (data activity) link with no active traffic
Blinking Green
Indicates a valid logical link with active traffic
