Description
最普遍的人/机接口装置由安装在控制台上的按钮、转换开关、拨码开关、指示灯、LED显示器、声光报警器等器件构成。对于PLC系统，还可采用半智能型CRT人/机接口装置和智能型终端人/机接口装置。半智能型CRT人/机接口装置可长期安装在控制台上
Brand New Cisco CWHUM-1.0-L-K9 1K Device License
IBM 39M5896 DS4700 CONTROLLER with Battery
Natural Microsystems NMS NIU-ATM STM-1 BOARD
RADWARE APSolute Application Delivery AppXcel 16000
