Table 17: Power Supply Unit Status Rear Led Assignments; Table 18: Bad Port Led Assignments - Mellanox Technologies SB7700 User Manual

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 Rear LED Assignments
LED Behavior
Solid green
Flashing green 1Hz
Amber
Flashing amber
Off
4.2.1.4 UID LED
The UID LED is a debug feature, that the user can use to find a particular system within a cluster
by turning on the UID blue LED. This is a future feature that is not yet available.
4.2.1.5 Bad Port LED
The Bad Port LED indicator is used to indicate symbol errors in one or more system ports.
Table 18 shows the bad port status LED assignment.
Table 18 - Bad Port LED Assignments
LED Configuration
Off
Flashing amber
48
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.
Description
No symbol errors have been received in
last few seconds (normal condition)
Error, one or more ports have received
symbol errors.
Possible causes are:
• Bad cable
• Bad connection
• Bad connector
Mellanox Technologies
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
Mellanox representative for assis-
tance.
Call your Mellanox representative
for assistance.
Call your Mellanox representative
for assistance.
Action Required
N/A
Check symbol error counters on the
system UI to identify the ports.
Replace the cable on these ports.
Rev. 1.7