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Superior LineSplit Fibra.
Module to split one Fibra line into four lines

Standards and certifications
Superior LineSplit Fibra · LS.Y.F. Manufacturer-listed marks; regional and installation conditions apply.
One incoming line. Four directions.
Superior LineSplit Fibra branches one wired connection into four outgoing lines, making it easier to route protection through separate rooms or reuse suitable cabling during a renovation. It keeps the devices in the same Ajax system while giving the installer more freedom over the layout. The module does not add power: cable length, the connected load and the hub’s capacity still determine the design.
Key features. At a glance.
Splits one Fibra line into four ones

Informative in-app notifications

Remote control and configuration
Low power consumption
up to 440 mW
Can be installed at any point of the Fibra line
even after another LineSplit as well


Up to 2,000 m1
distance of wired communication with an Ajax hub

Power adjustment


Tamper alarm
when mounted into Case
Length of Fibra line
up to 2,000 m for each LineSplit output
- 1Up to 2,000 m with U/UTP cat.5 4 × 2 × 0.51 mm (24 AWG) copper cable. Cable type, load and installation conditions determine the achievable distance.
Ajax product information ↗ · Superior LineSplit Fibra specifications ↗
Superior LineSplit Fibra
Every detail has a purpose.
Explore the function, installation and system requirements of Superior LineSplit Fibra.
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Route the system around the building.

Four branches from one input
Run separate outgoing Fibra lines towards different parts of the property instead of returning every route to the hub. Each output can reach up to 2,000 m with the specified copper cable, subject to a checked power budget.
Up to 2,000 m with U/UTP cat.5 4 × 2 × 0.51 mm (24 AWG) copper cable. Cable type, load and installation conditions determine the achievable distance.

A planned route for renovation
The installer can use suitable existing cable routes when modernising a wired system. Check the cable specification, condition and topology before deciding which parts can be retained.
One supervised wired connection.
Fibra communication
The four-wire connection carries data between the module and a compatible Ajax hub. Two-way communication, encryption with a dynamic key and device authentication help protect this connection. The module remains part of the hub’s system; it is not a standalone control panel.
Use the current compatibility list and supported firmware. The host’s device capacity and the line power budget still apply.
More branches, within the same system limits.
Up to ten modules in sequence
LineSplit modules can be connected sequentially to form a branching installation. The limit is up to 10 modules in sequence; every added module and device must still fit the host’s device capacity and the available line power.
The outgoing lines do not support Ring topology. Do not turn the ten-module limit into a promise of unlimited devices or unlimited cable length.
Branching does not create more power.
Calculate the complete load
LineSplit takes power from its incoming Fibra line and distributes that supply to the outgoing branches. It does not provide an additional power source. Use a compatible LineSupply where the design requires separate power.
Current exact specifications: 6–30 V DC input, 24 V DC nominal; maximum consumption 440 mW. Check the complete layout in the Ajax power calculator.
Protect and organise the connection point.

Mount the board in a compatible Case
Choose the exact supported Case size and equipment arrangement, secure the cables and connect its tamper board. The casing is purchased separately.
Indoor module: −10 to +40 °C, up to 75% humidity. The bare board is not a weatherproof enclosure.
Know which part of the system needs attention.

Events identified in the app
Module and line events reach the Ajax app with the assigned device and room names. Investigate a reported wiring fault before restoring normal operation. If an output short circuit or overvoltage is detected, the module switches off the outputs and retries after 12 seconds until normal conditions return.
LineSplit is a branching module, not the electrical-sabotage isolation module. Use LineProtect where that protection is required.
Add, configure and test in Ajax PRO.

Find the installed module
Scan the hub’s Fibra lines or add the module by its QR code. Assign a name, room and security group so an event identifies the affected part of the site.
Find the right Fibra line module.
See when to branch a Fibra line, protect its upstream equipment or add power. Compare both LineSupply versions.
Compare Fibra line modules →Every detail, in one place.
Communication with the hub
- Fibra communication technology
- Two-way system communication for the functions specified for this model.
- Line connection
- 4-core cable
- Connection
- to any point of the Fibra line The module splits the Fibra line from any point and extends it up to 2,000 m. Connection one by one of LineSplit boards is possible. The number of connected devices is limited by the total output current on the hub lines and its technical specifications.
- Wired connection range
- up to 2,000 m The length of the Fibra line from the hub or previous LineSplit when using the U/UTP cat.5 twisted pair.
Connecting of lines
- Number of output lines
- 4 Several Fibra devices can be connected to one line. The number of devices depends on their energy consumption.
- Number of input lines
- 1
- Cable length
- up to 2,000 m When using U/UTP cat.5 twisted pair.
Anti-sabotage protection
- Tampering alarm
- Notification of attempts to break or open Case. Case is sold separately.
- Protection against spoofing
- Device authentication
- Lost connection detection
- In 36 seconds Between the hub and LineSplit Fibra. It can be changed in hub settings.
Power supply
- Device’s operating voltage range
- 6−30 V⎓, up to 440 mW The security system central unit supplies the module.
- Nominal operating voltage
- 24 V⎓
- Quiescent device current consumption at nominal voltage
- 1.9 mA
- Maximum device current consumption at nominal voltage
- 18.3 mA
Board
- Dimensions
- 90 × 50 × 15 mm
- Weight
- 17 g
- Operating temperature range
- from −10 °C to +40 °C
- Operating humidity
- up to 75%
What’s in the box
- Superior LineSplit Fibra
- Quick start guide
For your installation
- Selected as part of an installer-reviewed security or automation project.
- Fibra needs a supported hybrid control panel, checked cable type and topology, termination and a complete power budget. Existing alarm cabling is not automatically suitable.
- The module is intended for indoor use only. Installation in Case is recommended. The casing is sold separately and available in several options.


