Table 17: Power Supply Unit Status Front Led Assignments; Table 18: Power Supply Unit Status Rear Led Assignments - Mellanox Technologies SN2700 Hardware User Manual

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