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The AXIS A9920 is an I/O relay expansion module from Axis Communications. An I/O relay expansion module adds inputs and relay outputs to an access control door controller, for locks, sensors and other door hardware. Confirm compatibility with your access control system, credential technology and door controller before ordering.
- Brand: Axis Communications
- I/O relay expansion module
- Access control accessory
- Axis part number 03504-001
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