AH20 (J100) - Connections
Communication Hub hardware version AH20 has four Wiegand signals plus power supply. The purpose and connection of these signals are described in the table below.
| HUB CONNECTOR | DESCRIPTION |
|---|---|
| DATA 1 | Wiegand Data 1 signal. Output from Communication Hub. Used to transmit credentials. |
| DATA 0 | Wiegand Data 0 signal. Output from Communication Hub. Used to transmit credentials. |
| RED | Wiegand Red LED signal. Input to Communication Hub. Used for access decision. Leave unconnected if DIP switch 1 is selected “OFF”. Signal is active low. |
| GREEN | Wiegand Green LED signal. Input to Communication Hub. Used for access decision. Signal is active low. See DIP 1 for alternate instructions. |
| GND | GND = Signal ground. Should be connected to EAC system GND and power supply GND. |
| 8-24 VDC | Power supply input, 8-24 VDC, 2 W. |