Original part number US421A-A7 Product name ATEN Switch 4/1 USB-2.0 Producer Aten Class of product KVM switches Number of PC ports 4 Supported keyboard/mouse/display ports USB Local console's ports 1 x (USB, USB, DVI) Number of remote users (IP) 0 Type of computer case Desktop Possibility of joining into cascade No Switching audio signal (microphone/speakers) No
