Dell PowerEdge M600 - Manual (Page 15)

M2401G 24 Port 20Gb/s InfiniBand Switch for the Dell M1000e Chassis User Manual
Mellanox Technologies Rev 1.0
15
4 Troubleshooting
As soon as a switch is plugged in make sure that the power LED is on.
The power LED for the switch does not come on:
If the green Power LED is not on;
1. Check that the chassis has power.
2. Remove and reinstall the switch.
The link LED for the InfiniBand connector does not come on:
1. Check that both ends of the cable are connected.
2. Check that the locks on the ends are secured.
3. Make sure that the latest FW version is installed on both the HCA and the switch.
4. If media adapters are used check that the all connections are good, tight, and secure.
The activity LED does not come on:
Check that the Subnet Manager has been started.
The power LED for the switch shuts off:
1. Check that the there is adequate ventilation.
2. Make sure that there is nothing blocking the front or rear of the chassis and that the fan modules
are not blocked.