Overview of the AXIS A9920 I/O Relay Expansion Module
- Extends the functionality of the AXIS door controllers, A9210 network I/O modules and A9910 I/O relay expansion modules
- 16 I/O ports supporting 16 supervised inputs and 16 form C relay outputs
- Multidrop technology allows connection for up to 16 of these devices for 128 I/Os and 64 relays
- Cost-effective PoE connection via connecting door controller or module
- Based on AXIS open platforms such as ACAP and VAPIX support
Easily expand the functionality of Axis and third-party devices even further with this network expansion I/O module, designed for use with AXIS door controllers, the Axis A9210 module or AXIS A9910 expansion module. Enable enhanced capabilities with an additional 16 I/O ports supporting 16 supervised inputs and 16 form C dry relays. Utilise inputs from cameras, analytics, alarm buttons, and audio devices to trigger external devices such as PTZ cameras, lights, alarms or doors. Cost-effective and easy to install, it runs off the PoE connection from the connecting module.
Recording and Video Management
Recording and video management platforms which will integrate this module:
Included Accessories
- Expansion module
- Installation guide
- Connector kit (mounted)
- Grounding kit

