Interfaces
Rev 2.2
75Mellanox Technologies
The power supply status LEDs on the rear side of the system (in SN2700, SN2740 and SN2410
only) are located on the PSUs themselves. Each PSU has one LED of its own
3.2.1.4 Unit Identification 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.
To activate the UID LED on a switch system, run:
To verify the LED status, run:
To deactivate the UID LED on a switch system, run:
3.2.1.5 Bad Port LED
The Bad Port LED indicator is used to indicate symbol errors in one or more system ports.
Table 22 shows the bad port status LED assignment.
Table 21 does not apply to the SN2100/SN2010 systems.
Table 21 - 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.
switch (config) # led MGMT uid on
switch (config) # show leds
Module LED Status
--------------------------------------------------------------------------
MGMT UID Blue
switch (config) # led MGMT uid off
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