16
Rev 0.30
Mellanox Technologies
data activity link without data transfer is designated by a constant yellow LED indication. A valid data activity link
with data transfer is designated by a blinking yellow LED indication. If the LEDs are not active, either the physical
link or the logical link (or both) connections have not been established.
Figure 2: Physical and Logical Link Indications
Note: The short bracket has the same port and LED footprint as the tall bracket.
Port 1
Port 2
Port Number
LED Name
Port 1
Physical Link - Green
Constant on indicates a good physical link
Blinking indicates a problem with the Physical link
Data Activity - Yellow
Blinking indicates Data Transfer
Constant on indicates no Data Transfer
Port 2
Physical Link - Green
Constant on indicates a good physical link
Blinking indicates a problem with the Physical link
Data Activity - Yellow
Blinking indicates Data Transfer
Constant on indicates no Data Transfer
