Computerized on-line retail store services in the field of computer peripherals, computer switches, network hubs, switches and routers, network hardware and cables and adapters, visual and audio signal distributors, KVM (Keyboard Video Mouse) switches; KVMA (Keyboard Video Mouse Audio) switches, video switches, serial console switches, KVM (Keyboard Video Mouse) extenders, serial-port extenders, keyboard/mouse extenders, KVM drawers, printer toggle devices