

Phase Phase is used to describe the two main types of alternating current (AC) electric power produced by a utility, generator or UPS system. For more information about installing serial ports and COM ports using the Ports device setup class and the Serial function driver, see the following topics: If you do a custom installation of a COM port, you must comply with the COM port requirements that are defined in. To configure a serial port as COM port, comply with the requirements that are defined in.Provide an INF file that specifies the Ports device setup class and the Serial function driver as the service for the port.


To install serial ports and COM ports using these system-supplied components, do the following: For most devices, the Ports and the Serial function driver provide the functionality required to operate serial ports and COM ports.
