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New AJ-MultiTransmitter: the second life of the wired alarm and security control via smartphone

 

 

The MultiTransmitter integration module allows connecting outmoded wired alarm detectors to the Ajax system, which opens up more flexible settings for users, automation scenarios, smartphone control, and opportunities for extensive upgrades.

 

 

 

Backstory

Security technologies are evolving every day. Not that long ago, alarm systems were installed to timely inform security companies about an intrusion, and now, they are the key parts of entire systems that combine automatic protection from different types of threats, video surveillance, and smart home capabilities.

This technological jump has divided the industry into two camps. On the one side, there are old alarm systems that perform their functions properly, although they do not offer modernization possibilities. On the other, there are smart home systems that offer many smart features but are not always ready to provide reliable security.

While developing Ajax, we were inspired by this confrontation and combined security standards with a user-friendly experience. However, Ajax is a distinct ecosystem of devices, to which you need to switch completely. The system uses its radio protocol and is controlled via the app. In the early days of its development, Ajax did not support third-party detectors.

In 2017, we partially narrowed the gap between technologies by releasing the Transmitter, a module for integrating third-party wired devices into the Ajax system. With it, any wired detector with NC/NO contacts becomes part of our wireless security system. The module receives a signal from a detector through a wire and transmits it to a hub via the Jeweller radio protocol. Managing the security modes of a third-party detector and the Ajax system is done in a mobile app.

 
                         The Transmitter can serve not only as a signal communicator but also as a power source for detectors

We designed the Transmitter to expand the Ajax arsenal with devices that solve specific problems: household gas detectors, liquid level detectors, thermostats, IR barriers. But the market had its view on the novelty. Professionals appreciated the possibility of remote configuration and control and began using the Transmitter to renovate entire wired security systems.

We received photos of configurations that were completely unexpected for us where 5, 10, 20 Transmitters were used simultaneously. Despite the cost of such a solution, users took this step to get smart features for old alarms. Nevertheless, some people used the Transmitter to extend Ajax security to underground garages, storages, and safes, where radio waves could not penetrate.

 

 

We have thoroughly examined the experience of the Transmitter use and present you with MultiTransmitter — an integration module with 18 wired zones. The module takes the place of the old security control panel and connects wired devices to a wireless control panel — a hub (all models are supported). This provides users with more available settings, automation scenarios, and control from their smartphones.

 

 

The MultiTransmitter connects wired devices to the hub via Jeweller radio communication

What’s inside ?

 

The MultiTransmitter has 18 wired zones for connecting devices and tampers that support 4 types of contacts: NO, NC (without a resistor), EOL (NC with a resistor), EOL (NO with a resistor). Besides 18 zones, the module has three 12V power outputs: 2 main and 1 separate for fire detectors. 

 

The MultiTransmitter itself is powered by the 110/230V main, and, in case of a power loss, there is a place for a backup battery in the body that will supply the module and the connected devices. The central unit and the users are notified about any power problems in the Ajax app.

 Also, in the app, it is possible to define a room, a group, a device type (detector/tamper), and an alarm type for each device. Due to this, users can see a clear notification text indicating what happened, when, and where instead of the zone number of the triggered detector. And the security company receives a clear alarm code and responds according to the protocol. You can choose one of five alarm types: 

  • intrusion
  • fire
  • medical help
  • panic button
  • gas leakage

The module is equipped with two tamper buttons, which respond to opening the lid and detaching the body from a wall — it will not be possible to open the MultiTransmitter without your awareness. And the adjustment of the resistor resistance in the app allows the module to instantly notice faults, power failure, or signal cable interruption of the connected detector. 

New user experience

The MultiTransmitter allows you to switch from a simple wired alarm system to Ajax in a step-by-step process. In the beginning, a hub and an integration module are enough. With them, users get security management in the app, event log, and extensive upgrade options. Wireless leakage, smoke and glass break detectors, street and home sirens, smart plugs, and relays — all these devices can be added to the system at the moment of renovation or later.

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