4-Port Expansion Board for Access Control Panel

The 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.

Up to 4 readers
2 aux relays
Plug-and-play

Expandability with seamless installation

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.

Reliability

Uses industry standard RS-485 signaling to communicate with Avigilon readers over CAT 5/6 wiring.

Smart monitoring

EOL monitoring with single or double termination on all REX, Contact, and Auxiliary inputs supported with user-installed 1k resistors.

Easy to install

Plug-and-play design allows for easy expansion and customization.