OCI702 USB - KNX Service interface The service interface consists of: OCI702 service interface USB 2.0 cable (Type A / B) KNX service cable for Synco™ controllers (RJ45 / RJ45) KNX service cable for Desigo™ TRA (RJ45 / jack plug 2.5 mm) KNX service cable (RJ45 / KNX bus terminal)