产品名称：BLACK BOX ME481C-X21
型号：ME481C-X21
品牌：BLACK BOX
描述：
Take advantage of the 4-Wire Campus Driver's modular design to hook up RS-232, RS-422, RS-530, V.35, or X.21 hardware.
Simply select the appropriate cards you need now and then change them as your network changes. .
规格：