4‑Port Expansion Board is an access control board (no enclosure, no power supply) that connects to the Access Control Core (OP-ACC) and supports up to four entries and four Avigilon Smart Readers. The 4‑Port Board works with the Access Control Core to securely make all entry decisions.
Alta Access combines sleek hardware with an app, enabling employees to enter the building using their smartphone. Unlike legacy systems, Alta Access software is cloud-based, easily scales with your business and seamlessly integrates with platforms like G Suite and Azure AD.
Touchless access control
Fast and reliable with Triple Unlock
The Expansion Board includes primary ports for Relays, Avigilon Smart Readers, Request to Exit (REX) Sensors and Contact Sensors. For additional flexibility, two auxiliary relays are provided for additional outputs or control of low-power devices and four auxiliary inputs are provided for Wiegand devices or additional sensors.
Uses industry standard RS-485 signaling to communicate with Avigilon readers over CAT 5/6 wiring.
EOL monitoring with single or double termination on all REX, Contact and Auxiliary inputs supported with user-installed 1k resistors.
Plug-and-play design allows for easy expansion and customization.