Captain Sidestick Pinouts

2197VCA
AutoPilot Disconnect: S/B
Solenoid: h (28 VDC)/g (Gnd)
Pitch: G, Y (wiper), H [log output]
Roll: E, W (wiper), X [log output]

2189VCA
Push To Talk L/M

2191VCA
Pitch: K (5V), L (Gnd), M
Roll: N (5V), D (Gnd), O

First Officer Sidestick Pinouts

2180VCA
Push to Talk: J/K

2182VCA
Pitch: K (5V), L (Gnd), M (x)
Pitch: G, Y (wiper), H [log output]
Roll: N (5V), D (Gnd), O (x)
Roll: E, W (wiper), X [log output]

2188VCA
Solenoid: h (28 VDC) /g (Gnd)

2190VCA
AutoPilot Disconnect: H/K

Sidestick Transducer Connector Pin-out (sim-on-a320.com) PDF

Sidestick solenoid logic implementation