Multifunctional Board.
** MACH 3, EMC 2 / CNC Breakout Board, DB25 Parallel Cable **
** Description **
* For Mach3, EMC2
* 4 axis 1 Pulse(DIR, PULSE)
* Line Drive Output
* 5 Sensor Input
* 2 Relay Contact
* Charge Pump function
* +24V DC Power
* 50mA Current Consumption
* Spindle Speed Control - DC Voltage(0~10V)
* Vertical Parallel Port Connector
* Removable IN/OUT Connector
You can get detailed information below pdf-file
http://gahueyn.netii.net/CNC%20Board...Eng_Manual.pdf
or Pls..Visit to ebay page
MACH 3, EMC 2 / CNC Breakout Board, DB25 Parallel Cable - eBay (item 180668247371 end time Jul-15-11 23:46:39 PDT)