Minor Off Minor Major Off Major Shutdown
Unit3 55 60 75 80 85
Troubleshoot an Over-temperature Condition
To troubleshoot an over-temperature condition, use the following information.
1 Use the show environment commands to monitor the temperature levels.
2 Check air îš‚ow through the system. Ensure that the air ducts are clean and that all fans are working correctly.
3 After the software has determined that the temperature levels are within normal limits, you can re-power the card safely. To bring
back the line card online, use the power-on command in EXEC mode.
In addition, to control airîš‚ow for adequate system cooling, Dell Networking requires that you install blanks in all slots without a line card.
NOTE: Exercise care when removing a card; if it has exceeded the major or shutdown thresholds, the card could be hot to the
touch.
Recognize an Under-Voltage Condition
If the system detects an under-voltage condition, it sends an alarm.
To recognize this condition, look for the following system message: %CHMGR-1-CARD_SHUTDOWN: Major alarm: stack unit 2
down - auto-shutdown due to under voltage
.
This message indicates that the specied card is not receiving enough power. In response, the system rst shuts down Power over
Ethernet (PoE). If the under-voltage condition persists, line cards are shut down, then the RPMs.
Troubleshoot an Under-Voltage Condition
To troubleshoot an under-voltage condition, check that the correct number of power supplies are installed and their Status light emitting
diodes (LEDs) are lit.
The following table lists information for SNMP traps and OIDs on the environmental monitoring hardware and hardware components.
Table 98. SNMP Traps and OIDs
OID String OID Name Description
Receiving Power
.1.3.6.1.4.1.6027.3.10.1.2.5.1.6 chSysPortXfpRecvPower OID displays the receiving power of the
connected optics.
Transmitting power
.1.3.6.1.4.1.6027.3.10.1.2.5.1.8 chSysPortXfpTxPower OID displays the transmitting power of the
connected optics.
Temperature
.1.3.6.1.4.1.6027.3.10.1.2.5.1.7 chSysPortXfpRecvTemp OID displays the temperature of the
connected optics.
NOTE: These OIDs only generate if
you enable the enable optic-
info-update-interval is
enabled command.
Debugging and Diagnostics 1003
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