Bsmce04u-pp: Manual |link|

Every legitimate BSMCE04U-PP has a metal or plastic nameplate. Look for:

: In Mach3 settings ( Config > Ports and Pins ), configure the axes. Note that the specific pin mapping (often Pins 2-9) is internal to the USB card and managed by the plugin. Hardware Wiring Guidelines bsmce04u-pp manual

bsmce04u-pp manual