Dell N3200-ON EMC Networking N-Series Switches CLI Reference Guide version 6.7 - Page 2394

a range, the fans run at a reduced speed for the lower temperature part of the range and an increased speed for the higher temperature part of the range. Each range runs the fans at increasingly higher speeds for increasingly higher temperatures. Above the Critical status upper limit, the system is shut down. Typically, the shutoff temperature for the switch is 90-105° C. To avoid fan speed oscillation around a temperature limit, a small hysteresis is added to the limit such that the temperature for increasing the fan speed is higher than the temperature for lowering the fan speed. This implies that the higher fan speed (and status) is maintained until the switch is cooled 3-5 degrees below the threshold for increasing the fan speed (and possibly changing the status). The exact thresholds for increasing or lowering the fan speed are determined during thermal analysis and are different for each switch family. Examples console#show system temperature System Thermal Conditions: Unit Temperature State (Celsius) 1 34 OK Temperature Sensors: Unit Description Temperature (Celsius) 1 MAC 33 1 PHY 34 show tech-support Use the show tech-support command to display system and configuration information for use in debugging or contacting technical support. The output of the show tech-support command combines the output of the following commands: • show interfaces transceiver • show power inline Switch Management Commands 2394