A modification to a cable modem termination system can include instructing the CMTS to ignore or skip steps of its timing algorithm so that upstream cable modem signals are controlled only by the upstream protocol of the optical network system. The combination cannot be seen by a person viewing the container andor the lock. In order to achieve a maintenance-free apparatus, at least one embodiment of the invention proposes that each plunger has a toothed rack, which meshes with a gearwheel, on which in each case one radial lever is arranged. The communication may be a web page request from a browser on the mobile device, and the application may be a coupon organizer external to the web browser. Other embodiments are also disclosed.