The Switchbox USB Connect


  • Built-in Switchbox function controls data flow into CNC machine from PC
  • Allows machine serial port to feed between external cable connection & USB Pendant device
  • Pendant USB Connect & secondary system connects to serial port on CNC Machine
  • Operator can load from USB Drive to CNC when external Serial port device is down


Pendant mountable USB Connect controller for all CNC’s with any DNC System – CNC Switchbox USB specific model. Provides automatic switchbox to keep serial port active without interference from USB controls when connected to DNC systems.  Includes 2GB USB Flash Drive, panel mount  USB connector/waterproof cap, display, USB cable, & power cable.  Powers by 7-28vDC from CNC.

Our USB Connect device acts as an interface between commercially available USB flash memory and any CNC control with an available RS232 port. Machine tool files can be sent from CNC memory to the USB key, USB key to CNC memory or drip-fed (DNC) from the USB key. Flexible DNC firmware is built into the USB Connect unit allowing connection to just about any machine tool CNC control. The pendant mount USB controller kit contains all the necessary hardware to integrate a universal display onto a CNC machine tool pendant.

Drip-feed your large files from your memory device or DNC. It is also worth noting you do not need a CNC software or hardware update in order to use this device!


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Note* All manuals for this product are on included USB Stick

Tech Specs

  • DNC (drip-feed) operation with single button operation
  • Mid-tape start with search function
  • Insert preparatory data prior to DNC operation
  • Tape input for file loading into CNC memory
  • Punch CNC memory file to USB key
  • Baud rate configurable
  • Data bit, parity and stop bit configurable
  • Hardware and software flow control
  • End of block character control
  • Optional end of block delay
  • Start of transmission character
  • End of transmission character
  • 4 line LCD display with adjustable backlight for easy viewing
  • Industrial rated keypad and display