InfiniScale® IV 36-Port QSFP InfiniBand Switch User Manual
Mellanox Technologies
Rev 1.5
3
Table 4 - System Status LED Configurations
2.1.1.2 Power Supply Status Indicators
The MTS3600 36 Port Switch is available with one or two factory installed Power Supply Units. For
switches with only one unit installed, a second Power Supply Unit can be added to increase security and to
add redundancy.
Figure 4: MTS3600 QSFP Front Panel
The primary power supply unit (PSU1) is located on the right side of the front panel, with PSU2 on the left
side. Status indicators are located just to the left of the primary power supply unit. Each PSU also has three
status LEDs, on the right side of the PSU, that indicate the internal status of the unit.
~AC– This LED when lit indicates input voltage between 90 and 264 Volts.
–This LED when lit indicates a fault in the power supply.
OK – This LED when lit indicates that the output from the power supply is +12VDC.
The PSU status indicators are located just to the left of the primary power supply unit, and labeled “PSU1”
and “PSU2”. The following status conditions are possible:
Table 5 - PSU Status LED Configurations
LED Configuration
Status
OK – The system is up and running.
Error –A fault in the system, most likely
the firmware did not BOOT properly.
Off – The system has no power.
LED Configuration
Status
OK – This power supply unit is delivering the
correct DC supply.
Primary Power
Supply Unit
Place for secondary
Power Supply Unit
Fan Unit
