Access Control Card Readers and Keypads

Data sheets

• Alarm.com Access Control Readers - Data Sheet

• Alarm.com Smart Credentials - Data Sheet

Installation guides 

• Mullion Reader (ADC-AC-ET10) - Installation Guide

• Single Gang Reader (ADC-AC-ET20) - Installation Guide

• Single Gang Reader with Keypad (ADC-AC-ET25) - Installation Guide

User guides

How-to troubleshooting guides 

• Access Control reader or keypad is not receiving power

• Wiegand Access Control reader or keypad is transmitting incorrect credentials or incomplete format data

Frequently asked questions

• Can an Access Control card be configured to unlock a Z-Wave lock with a swipe?

• How do Alarm.com card and keyfob credentials work?

• What is a drain wire and where does it go on the Alarm.com controller or expansion module?

• Which wire gauge should be used with Access Control Card Readers?

• Why does the LED on the reader device stay red when a door is triggered to open?A reader LED staying red when a door opens usually indicates a wiring issue.

• Why does the reader or keypad continuously beep when the door is buzzed open?A reader or keypad that beeps continuously when a door is buzzed open is usually wired incorrectly.