Dell PowerEdge XL 5133-4 MXL 10/40GbE Switch IO Module FTOS Command Reference - Page 270

www.dell.com | support.dell.com Figure 22-8. show environment Command Example FTOS#show environment -- Unit Environment Status -- Unit Status Temp Voltage * 0 online 71C ok * Management Unit -- Thermal Sensor Readings (deg C) -- Unit Sensor0 Sensor1 Sensor2 Sensor3 Sensor4 Sensor5 Sensor6 Sensor7 Sensor8 Sensor9 0 45 43 66 61 66 62 70 65 67 71 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 system messages in Message 2. Message 2 Under-Voltage Condition System Messages %CHMGR-1-CARD_SHUTDOWN: Major alarm: Line card 2 down - auto-shutdown due to under voltage Message 2 indicates that the specified card is not receiving enough power. In response, the system first shuts down Power over Ethernet (PoE). 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. 256 | Debugging and Diagnostics