Mellanox Technologies Spectrum SN2410, Hardware User Manual

Page: 49 / 109

Interfaces Rev 1.2
Mellanox Technologies 49
Figure 40: Rear Side Panel
The primary power supply (PS) unit is located on the left side and the secondary unit is located
on the right side.
The power supply status LEDs on the rear side of the system are located on the PSUs themselves.
Each PSU has one LED of its own.
Table 17 - Power Supply Unit Status Front LED Assignments
LED Behavior Description Action Required
Solid Green All plugged (one or two) power supplies are
running normally. N/A
Solid Red One or both of the power supplies are not
operational or not powered up/ the AC power
cable is disconnected. Make sure the AC cable is plugged in
and active. If the problem resumes, the
FRUs might be faulty, and should then
be replaced.
Off N/A N/A
Table 18 - Power Supply Unit Status Rear LED Assignments
LED Behavior Description Action Required
Solid Green The PSU is running normally. N/A
Flashing Green 1Hz AC present / Only 12VSB on (PSU off) or
PSU in Smart-on state. Call your Mellanox representative for
assistance.
Amber AC cord unplugged or AC power lost while
the second power supply still has AC input
power. Plug in the AC cord of the faulty PSU.
PS failure (including voltage out of range and
power cord disconnected). Check voltage. If OK, call your Mella-
nox representative for assistance.
Flashing Amber Power supply warning events where the power
supply continues to operate; high temp, high
power, high current, slow fan. Call your Mellanox representative for
assistance.
Off No AC power to all power supplies. Call your Mellanox representative for
assistance.