DZ-2001L Data Wire Driver | O or S gauge

The DZ-2001L plugs into any TMCC Command Base serial port and creates a data wire that can then control multiple DZ-2500 switch machines. 
The DZ-2001L prevents the TMCC control signal applied to the train tracks from being shorted out even when non-derailing connections are used to control the DZ-2500 Switch machine.