IO extender in the back of the Gatekeeper-X
In order to connect a Gatekeeper-X with the A22K controller an AVUTEC IO extender is necessary.
The IO extender has to be placed in the back of the Gatekeeper.
Gatekeeper-X junction box with green connector for the IO extender
Wiring diagram
The IO extender is wired to the A22K control unit as follows
See above image for the D0, D1 and GND
IO extender |
A22K |
Data 0 (D0) |
D0 |
Data 1 (D1) |
D1 |
GND |
GND |
