A finite-state network that supports substring-number mapping is compiled from a grammar that includes a plurality of classes of substrings. The security data is processed to assess a current security state of the device. Hot-pluggable electrical connections for fiber optic modules are also described including parallel data connections for small form factor fiber optic modules. Near the second end of the eye patch may be a plurality of slits wherein a support bar portion of the frame of the glasses may be inserted. This includes starting as soon as the continuous member is moving and decreasing in speed substantially only when the continuous member decreases in speed. A valve is configured to control a rate of fluid delivered from the source to the site via the tube, and a remote control unit is configured to enable a user to control the valve to adjust the rate of fluid delivered from the source to the site.