Door Controller (ADC-ACC1-17) - Data Sheet
Alarm.com’s Smarter Access Control is an ideal solution for any small or medium-sized business. Each Door Controller can support up to two readers and can manage 17 readers using Alarm.com Expansion Modules. Designed for high-traffic business environments, the Door Controller can manage large numbers of users with complicated access schedules.
For large installations, multiple controllers can be installed on a single account.

Controller features
- PoE or 12V DC input power
- Two reader inputs
- Support for eight expansion modules and up to 17 readers
- Two relay outputs
- Two programmable inputs
Smarter Access Control benefits
- Scan-to-add card format and serial detection
- Control doors and manage users from the Alarm.com Alarm.com app
- Integrated Alarm.com intrusion and video offerings
- User-friendly, flexible scheduling
- Configure hardware using the Alarm.com customer website or Alarm.com app for easy installation
- Plug & play installation — no networking expertise required
Specifications
| Input Power | PoE or 12V DC, 900 mA max |
|---|---|
| Output Power | 650 mA @ 12V DC |
| Inputs |
One dedicated reader input One switchable reader/two-wire RS-485 input Two programmable inputs One dedicated tamper input |
| Outputs |
Two relay outputs (2A @ 30V DC) Single-wire LED control Single-wire buzzer output |
| Certifications |
HSPD-12/FIPS201 compliant UL 294 and UL 294B recognized ROHS FCC Part 15 Class A NIST certified encryption |
| Dimensions |
Without Bracket: 5.5 x 2.75 x 0.96” (140 x 70 x 24 mm) With Bracket: 5.5 x 3.63 x 1.33” (140 x 92 x 34 mm) |
| Temperature |
32°F – 158°F (0 – 70°C) operational -67°F – 185°F (-55 – 85°C) storage |
| Operating Humidity | 10-95% (non-condensing) RH |

Developed with the Authentic Mercury open hardware platform