https://www.avigilon.com/access-control/4-port-board-op-4ex4
Openpath 4-Port Expansion Board | Avigilon Alta Access
Jul 20, 2025 - Avigilon Alta Access (formerly Openpath) 4-Port Board implements with 4 door readers, 4 REX sensors and four contact sensors. Connects with Access Control Core.
port expansion boardopenpath
https://www.avigilon.com/access-control/8-port-board-op-8ex8
Openpath 8-Port Expansion Board | Avigilon Alta Access
Jul 20, 2025 - Avigilon Alta Access (formerly Openpath) 8-Port Board implements 8 door readers, 8 REX sensors and 8 contact sensors. Connects with Access Control Core.
port expansion boardopenpath