The present invention provides a workholder and a method for securing a work piece by engaging either a bore contained in the work piece or by gripping the edge of the bore of the work piece. The cover includes a rigid curved forward-facing nosepiece. The powered communications patch panel may be provided with a management port to allow remote management of the patch panel via a network connection. The hidden hinge may be used to connect the lid and base of a utility enclosure or housing. The receiver includes a demultiplexer in optical communication with the loopback port and the receiver port.