Provided is a connecting apparatus with a combo port. The connecting apparatus particularly supports two or more connecting terminals in compliance with various types, especially the RJ-45 and RJ-11 connectors. According to one of the embodiments, the apparatus with combo port includes a detecting circuit and a connector control unit. The apparatus is preferably functioned to detect the electrical signals from a connecting source, and perform an automatic switching among the wires. After the signaling type of an insertion of any connector is detected, the connector control unit performs a route switching to define a combination of the wires according to a control signal.