... " wide racks.48 Ports available WIRING BLOCK PANELBlack painted steel panel.Numbered ports.White blanks for easy labeling and identification.Color ... much more expensive.Example: a 16-point S-Video patch panel, with 8 patch cables, may cost $300.00, and connect ... audio, as well as RF (cable TV), MIDI, telephone, networking, electrical, and just about anything else.Switching equipment may be electronic ...