AXIS A9920 I/O Relay Expansion Module
16 I/O ports with supervised inputs and outputs
16 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
Must be paired with:
Axis network door controllers - for access control applications
AXIS A9210 Network I/O Relay Module - for security applications
AXIS A9910 I/O Relay Expansion Module - optional, for Modbus integration
Easily expand I/O capacity with this 16 input and output (I/O) expansion module. Ideal for security applications and access control for elevators and data center cabinets, it supports high-density applications with extensive access points.
Easily expand your system
Designed for use with AXIS A9210 Network I/O Relay Module and Axis network door controllers, AXIS A9920 makes it easy to expand your system with added capabilities for physical security and access control. 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 supports up to 128 I/Os and 64 relays over a single IP cable. Monitor cameras, analytics, and alarms through onboard I/O and relay outputs to detect and respond quickly to events such as intrusions or emergencies. For added flexibility, AXIS A9910 adds Modbus integration and wet relay support.
Simplify installation and deployment
This compact device is ideal for space limited or retrofit installations and supports a wide range of applications including door monitoring and security as well as access control for elevators and data center cabinets. It can be installed on walls, inside cabinets, or mounted on a DIN rail for vertical, horizontal, or blade installations. With a singular module supporting various use cases, you can simplify expansion over time. What’s more, AXIS A9920 is part of an Axis end-to-end solution, so it’s easy to adapt to both small and large installations and mix and match with the broad Axis portfolio.
Built to scale with your security needs
Whether you're expanding an existing installation or designing a high-density deployment, AXIS A9920 helps you scale efficiently while keeping infrastructure and management costs under control. Its modular design makes it easy to adapt to changing requirements and grow your system over time. Integration with video, alarm, intrusion, access control, and building management systems delivers greater operational visibility and a more unified approach to security. Built-in cybersecurity features help protect your system and data.
Compare products to find your perfect match.
Compare products to find your perfect match.
Compatible products
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Cables & connectors
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I/O devices
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Mounts
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Network I/O relay modules
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Network door controllers
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AXIS A1710-B Network Door Controller
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AXIS A1810-B Network Door Controller
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Tools & extras
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