Ajax EN54 Fire Detection I/O Module (2X2) Black

Description

Communication (Jeweller)

• Technology: Proprietary wireless communication to transmit commands, alarms, and events

• Key features: Two‑way communication; advanced sabotage protection; block encryption with dynamic key; instant notifications; remote control and configuration in Ajax apps

• Frequency bands (depends on sales region):

  • 866.0–866.5 MHz

  • 868.0–868.6 MHz

  • 868.7–869.2 MHz

  • 905.0–926.5 MHz

  • 915.85–926.5 MHz

  • 921.0–922.0 MHz

• Maximum ERP: up to 20 mW
  Automatic power control reduces power consumption and radio interference

• Radio modulation: GFSK

• Radio communication range: up to 1,700 m (open space) between the device and a CIE or range extender

• Encrypted communication: Block encryption with dynamic key for stored and transmitted data

• Frequency hopping: To prevent radio interference and jamming

Inputs

• Number of input lines for third‑party devices: 2

• Input terminals:

  • Input 1, Input 2 — inputs for connecting third‑party wired devices

  • Shield — common input for connecting shields of cables that connect third‑party wired devices

• Type of connection: NO, NC, EOL, 2EOL, 3EOL

• EOL resistance: 0.47 kΩ, 1.2 kΩ, 2.7 kΩ, 6.2 kΩ
  Four resistors for each input are included in the complete set

• Length of wired connection to third‑party devices: up to 100 m (with 2×1.5 mm² / 16 AWG fire‑resistant cable)

• Cable cross‑section: 0.4–2.5 mm² (21–13 AWG)

Outputs

• Number of output lines for third‑party devices: 2

• Output terminals: Output 1, Output 2 — relay outputs for connecting third‑party wired devices

• AC operating range: 10—250 V~; 5 mA to 10 A (resistive load)

• DC operating range: 10—30 V⎓; 5 mA to 5 A (resistive load)

• Cable cross‑section: 0.4–2.5 mm² (21–13 AWG)

Key Features & Behaviour

• Event types: Configurable in Ajax apps (PRO or user with admin rights). Selected type determines notification texts and CMS event codes for connected wired devices

• Fail‑safe mode: If the module is offline, discharged, or has hardware problems, it automatically activates the connected devices

• Installation: Indoor use only

Sabotage & Integrity Protection

• Tamper alarm: Notifies attempts to detach the module from the surface or open the front lid

• Protection against spoofing: Device authentication

• Connection loss detection: After 36 s (depends on Jeweller settings)

• Input monitoring: Detection of wired connection loss, short circuits, and malfunctions when EOL/2EOL/3EOL connection is used (depends on connection type)

Power

• Battery: 2 × CR123A (pre‑installed)

• Calculated battery life: up to 5 years

Casing

• Dimensions: 116 × 180 × 62 mm

• Weight: 547 g

• Operating temperature range: 0 °C to +50 °C

• Operating humidity: up to 80%

• Protection class: IP21C

• Flammability rating: UL 94 V‑0

• Colors: Black, White

Complete Set

• EN54 I/O Module (2×2) Jeweller

• 2 × CR123A battery (pre‑installed)

• Installation kit

• 2 × set of 4 EOL resistors

• Quick start guide