QDR InfiniBand Switch Platform User Manual
Rev 2.9
Mellanox Technologies
15
are installed and only one PSU is connected to a power supply the second PSU LED will be red.
If only one PSU is installed in the switch, the second PSU LED will be off.
• The FAN LED should light up green.
If the FAN LED shows red, troubleshoot the fan module.
If the PSU LEDs are not green, this indicates a problem with the power supplies. Only run the
switch if at least one of the PSU LEDs is green.
Figure 3: Power, Fan, and System LEDs
As long as there is power to the switch (one PSU is connected), and the switch is
booted up and running, the status LED will be green.
If the STATUS LED shows red after five minutes unplug the switch and call your Mel-
lanox representative for assistance.
If the switch shuts down due to over temperature, unplug the switch, wait 5 minutes
and replug in the switch. For more information See “Troubleshooting” on page 46.
STATUS
PSU 1
PSU 2
FAN
RST
