Mellanox ConnectX-4 - RX Power -infdBm

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Stril

Member
Sep 26, 2017
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Hi!

I am just using my first pair of Mellanox ConnectX-4 Card.
The cards are running fine, but there is one thing that confueses me:


C:\Program Files\Mellanox\WinMFT>mlxcables.bat -d mt4115_pciconf0_cable_0 -DDM
Cable DDM:
----------
Temperature : 54C
Voltage : 3.2871V
Channel 1:
RX Power : -infdBm
TX Power : 1.2359dBm
TX Bias : 36.4000mA
Channel 2:
RX Power : -3.6002dBm
TX Power : -0.6103dBm
TX Bias : 32.6200mA
Channel 3:
RX Power : -3.1704dBm
TX Power : -0.8160dBm
TX Bias : 32.4800mA
Channel 4:
RX Power : -4.4201dBm
TX Power : -1.2913dBm
TX Bias : 33.3200mA



---> Channel 1 is showing RX-Power: -infdBM

Did you ever see this? Do you have any idea, what happens?

Thank you

Regards,
Stril