In the Keri EntraGuard system integration, the NXT controller and the EntraGuard extension board are viewed as interface modules.
Synergis™ Softwire supports the following Keri modules.
| Model | Description | Recommended firmware |
|---|---|---|
| EntraGuard module | Metal casing installed at the entrance of the building, housing an LCD display, a numeric keypad, the EntraGuard extension board, and the NXT controller. Visitors can call the tenants by dialing their apartment number on the numeric keypad, The tenants can unlock the front door using a command on their home telephone. | 7.7.02 and 7.7.03 |
| NXT 2D/4D controller | The NXT-2D (or 4D) board is the Keri System's two (or four) door access controller. The Synergis™ unit communicates with the EntraGuard module through the NXT controller over an IP connection. | 02.06.16 |