The present invention relates to a set of coupling parts, such as parts for coupling an ostomy bag to a base plate, said base plate being adhered around a stoma. The device for referencing includes a device for reading the identification information of each block and for the computerized recording of the position. The cable sealing device includes an autonomous containment structure for laterally and axially containing the sealing arrangement. The ETT has a transmission interval and program description information according to the EIT.