AXIS A91 Series Intelligent modules for extended functionality Axis network I/O relay modules let you extend the functionality of any Axis product or third-party security facilities system. They are particularly useful for integrating with security systems such as intrusion or alarms. I/O relay modules also give you get greater flexibility for your access control systems, integrating with Axis network door controllers for elevator or cabinet control, for example. With support for AXIS Camera Application Platform (ACAP) and possibility for intelligence on board, I/O relay modules are flexible and cost-efficient. Products within AXIS A91 SERIES AXIS A9188 Network I/O Relay Module Intelligent module with supervised inputs AXIS A9188-VE Network I/O Relay Module Intelligent, outdoor-ready