A control mechanism pins an optical fiber assembly on and off gimbal and between gimbals to route the assembly from an off-gimbal optical source across the gimbal axisaxes to an on-gimbal optical element so that the fiber assembly moves with the rotation of the gimbals. Metal traces running along the border of the substrate can be used to bring the row traces to the same edge as the column traces. The disclosed security testing system provides more reliable results than many current tests, and does not require that the device under test be powered on. Each of the secondary components function in series with the primary component between the first and second members such that the mount assembly has multi-rate decoupled dynamic stiffness performance. The invention further relates to methods for utilizing such polynucleotides, polypeptides, agonists and antagonists for applications, which relate, in part, to research, diagnostic and clinical arts. Ethernet port data for each of a plurality of channels is sequentially read in units of a byte that is one of communication data and control data, and a TDM frame containing one byte for each of the plurality of channels is sequentially generated.