FIELD: service providers, for example, of telephone communication, data transmission, and so on. SUBSTANCE: device has terminal assembly and access assembly. Terminal assembly has terminal assembly identification units. Access assembly has units for access identification which is provided by a password or a similar mechanism. Access to terminal and access assemblies can be locked. In addition terminal assembly has first access identification units for given number of access assemblies, which are stored in it upon starting device including connection of terminal assembly and access assemblies to specific assembly access identification units. Passwords of specific assembly identification units are compared to password or passwords which are stored in terminal assembly. Matching of stored access identification units to specific access identification units results in unlocking terminal assembly. Otherwise, at least one terminal assembly identification unit password should be entered. EFFECT: protection against malicious access, fast and facilitated access for legal users. 15 cl, 2 dwg
