Avionics bending: Vertical speed indicator

Hello people, here you can see original B757 vertical speed indicator, no TCAS type, interfaced with V1 avionics device and workin along with Xplane. It was just a test, once the device will be ready for delivery it will be tested with FSX in 767 configuration.

Here it is the pinout connection diagram:

As you can see it's powered like most gauges at 115VAC 400Hz, the we have 2 arinc channels for dataflow which are switched by the selector input, actuated by a switch on the MIP.

Here are pics of the units along with a video