Chapter 8: Using the Command Line Interface410Setting the Z CoordinateThis command specifies the Z coordinate of an environmental sensor.config:# externalsensor zlabel ""Variables: is the ID number of the environmental sensor that you want toconfigure. The ID number is available in the EMX web interface orusing the command "show externalsensors " in the CLI. It isan integer between 1 and 32. Depending on the Z coordinate format you set, there are two types ofvalues for the variable:Type DescriptionFree form is a string comprising up to 24ASCII printable characters, and it must beenclosed in quotes.Rack units is an integer number in rack units.Note: To specify the Z coordinate using the rack units, see Setting the ZCoordinate Format for Environmental Sensors (on page 340).Changing the Sensor DescriptionThis command provides a description for a specific environmentalsensor.config:# externalsensor description ""Variables: is the ID number of the environmental sensor that you want toconfigure. The ID number is available in the EMX web interface orusing the command "show externalsensors " in the CLI. It isan integer between 1 and 32. is a string comprising up to 64 ASCII printablecharacters, and it must be enclosed in quotes.