Overview

The Ajax DoorProtect Plus Fibra is a wired combined opening (2× reed), shock (accelerometer) and tilt detector for indoor use as part of the Ajax Fibra wired security range. It connects via a 4‑core bus and Fibra protocol to an Ajax Hub (e.g. Hub Hybrid) with line reach up to 2,000 m over U/UTP Cat.5.

• Combined opening (two reed switches), shock and tilt sensing.
• Fibra two‑way encrypted communication; device authentication to prevent spoofing.
• Includes large and small magnets (different operating gaps) and supports left/right magnet placement.
• Adjustable shock sensitivity (3 levels) and tilt threshold (5°–25°); option to ignore single shocks.
• Terminals for one third‑party normally‑closed (NC) detector (external detector not powered by device).
• Chime capability when paired with an Ajax siren; configurable remotely via Ajax apps and PRO tools.
• Supplied with magnet(s), mounting kit and Quick Start guide; intended for sale/installation via accredited partners.

Safety & compliance

Install in accordance with official Ajax installation guidelines. Intended for indoor use. Check local compliance and partner requirements for Fibra devices. Refer to the official user manual and datasheet for wiring, mounting and safety instructions.