CP347 QUAD SERIAL 3U COMPACTPCI CONTROLLER BOARD Serial channels in an application are required very often to transfer data, get a COM port, control all common industrial serial devices, such as test and measurement projects, function generators, etc., or even to connect a modem, mouse, etc. to the system. The CP347 provides the up-to-date Exar technology to achieve these classic tasks, but still remains very cost effective.