Mellanox Technologies SB7700, Руководство пользователя

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Interfaces
Rev 1.2
Mellanox Technologies
44
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 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.
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 Description Action Required
Off No symbol errors have been received in last
few seconds (normal condition) N/A
Flashing Amber Error, one or more ports have received symbol
errors.
Possible causes are:
• Bad cable
• Bad connection
• Bad connector
Check symbol error counters on the sys-
tem UI to identify the ports.
Replace the cable on these ports.