A mixingcharging port for medical treatment capable of reliably absorbing air bubbles. The logical network connections are provided via an interface between one or more connectivity plane devices and a network connected application, service, or control plane function in the electronic communication network. The resulting package inhibits light transmission, exhibits high strength and is economical. A locking mechanism locks the slidable member in one of several predetermined positions. The certificate signing request module may be configured to obtain a signed certificate from a certificate authority based on the verification data stored in the verification database.