A connecting device for providing an optical connection between an apparatus comprising a apparatus port and provided for receiving andor sending optical signals, and at least one optical fiber comprising a connector. The apparatus includes an energy source configured to generate a power output, a power converter electrically connected to the energy source to receive the power output and to output a conditioned power, and a transfer switch configured to selectively couple the conditioned power to an external apparatus. The reducing agent may be a chemical agent, a biological agent, or a combination of chemical and biological agents. The indicia portion is viewable through the opening and the second frame edge is moveable away from the backing to facilitate insertion and withdrawal of indicia between the backing and the frame.