Axis Communications announces a 16 input and output (I/O) expansion module, ideal for expanding systems with added capabilities for physical security and access control for elevators and data center cabinets. It supports high-density applications with extensive access points.
About AXIS A9920 I/O Relay Expansion Module
AXIS A9920 I/O Relay Expansion Module is designed for use with AXIS A9210 Network I/O Relay Module and Axis door controllers. Each module offers 16 I/O ports supporting 16 supervised inputs and 16 form C relay outputs. With multi-drop technology, one AXIS A9210 relay module can support up to 16 AXIS A9920 expansion modules, enabling up to 128 I/Os and 64 relays using just one PoE cable. It’s also possible to connect up to 16 expansion modules using a single IP drop or mix in AXIS A9910 modules for Modbus support.
Key features:
- 16 I/O ports with supervised inputs and outputs
- 16 x form C relay, dry application
- Supports up to 128 I/Os and 64 relays with one IP drop
- Designed for use with AXIS A9210 and Axis door controllers
This compact device is ideal for space‑limited or retrofit installations and can be installed on walls, inside cabinets, or mounted on a DIN rail for vertical, horizontal, or blade installations. Built on open standards, it enables easy expansion of physical access control capabilities and seamless integration with third-party systems such as VMSs, security, tamper detection, alarm, and intrusion systems.
Easily scale your system with this 16 input and output (I/O) expansion module. It supports various security applications and access control for elevators and data center cabinets.
AXIS A9920 I/O Relay Expansion Module will be available through Axis distribution channels in Q3 2026.
