AXIS A9920 I/O Relay Expansion Module

Designed for high-density applications, this indoor expansion module works with Axis door controllers to support elevator access control, or in combination with AXIS A9210 Network I/O Relay Module and AXIS A9910 I/O Relay Expansion Module. 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. Each module provides 16 I/O ports, supporting 16 supervised inputs and 16 form C relay outputs.