The Protege 2 Door Reader Expander delivers up to 4 reader inputs and 2 locking device outputs for access management in the Protege system. With 8 inputs that can be used for extended monitoring functionality, and 6 open collector outputs available for management of controllable devices, the Reader Expander features extensive hardware advancements that support flexible security and access control, alarm monitoring and building automation.

> 2 doors (4 readers)

> 8 multi purpose inputs

> 2 Form C relay outputs

> 6 low current outputs