QDR InfiniBand Switch Platform User Manual Rev 3.4
Mellanox Technologies
19
Table 7 - PSU Status LED Configurations
3.1.1.5 Fan Status Indicators
The indicator labeled “Fan” is located to the left of the QSFP connectors on the connector side
panel. The following fan status conditions are possible:
Table 8 - Fan Status LED Configurations
3.1.2 Reset Button
On the connector side panel under the system LEDs is a reset button. This reset button requires a
tool to be pressed.
LED Color Status
Green OK – The Power supply is delivering the correct voltage. 12VDC
Red Error – The PSU is not operational
Off Off – There is no power to the system (neither PSU is receiving power). If one
PSU is showing green and the second PSU is unplugged it will show a red indica-
tion.
LED Configuration FAN LED
Green OK – The system is up and running.
Red Error –One or more fans is not operating properly. The system should be
powered down and troubleshoot the fan module.
Off Off – The fan unit is not receiving any power. Check that the fan unit is
properly and completely inserted.
All fans must be operating while the power supply is plugged in.
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 49.
DO NOT use a sharp pointed object such as needle or push pin for pressing the Reset
button. Sharp objects can cause damage, use a flat object to press this reset button.
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