... 5. Network management make it communicate with PC easy, security and relible. 6. It only externally connected with different motor ... . It also has automatic blowing,auto focus,pedal switch and security protection function. Also soft/hard coordinate limit protection is applied ... panel. It supports AutoCAD, CoreLDRAM CAD,CAM and other graphics processing software.It supports PLT,AI,BMP,DST,DSB,DXF, ...