Patent ID: 9377500
Filing Date: 2016-06-28
CPC Classification: G01R,H04B

Claim Text:
1. A plug-in unit, comprising: an electrical connector for connecting the plug-in unit to wirings of a body device when the plug-in unit is inserted in the body device, the electrical connector being suitable for providing galvanic contacts between the plug-in unit and the body device; a test signal generator for supplying a test signal to first and second poles of the electrical connector, the first and second poles of the electrical connector being suitable for providing first and second ones of the galvanic contacts between the body device and the plug-in unit, and the frequency spectrum of the test signal belonging at least partly to a frequency band used in data transfer between the plug-in unit and the body device; and a monitoring circuit for generating an indicator signal indicative of a difference between a quantity responsive to the test signal when current responsive to the test signal flows via the first and second ones of the galvanic contacts and a reference of the quantity, the indicator signal being also indicative of correctness of the installation of the plug-in unit in the body device.