How do I wire a stepper driver with only 3 wires

[TTalma]

I am converting an AXYZ millennium to use mach 4. The control board is dead, There are 3 stepper drivers in the system, 2 AXI 2200's, and 1 Pacific Scientific 6410.

All 3 are wired the same way with 3 wires out. I am unable to find a data sheet for the AXI drivers but the data sheet for the 6410 is Here The relevant part is in the picture attached.

I am using a smooth stepper to drive the outputs. The current wiring for the PS 6410 has pins 1 and 2 tied together, these 2 along with pins 6, and 7 were connected to the control board. I would like to use this wiring method because the AXI 2200 driver only has these 3 pins as inputs.

So does anyone know how these should be connected with the smooth stepper and Mach 4?

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[GWTrades]

TTalma, can we ask you a few questions about your retrofit. Our shop was gifted a circa 1997 AXYZ 4008 router. I've purchased a smooth stepper and breakout board. Just wondering if you totally eliminated the old motion control board? What were you able to keep using?