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AJAX Systems vhfBridge Jeweller User Manual

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vhfBridge Jeweller User manual
Updated January 2, 2025
vhfBridge Jeweller is a module for connecting Ajax security systems to third-
party VHF transmitters. It provides 8 transistor outputs for connection to
third-party VHF transmitters. 
The device is powered from 100–240 V~ mains and can be operated from a
12 V⎓ backup battery. 
vhfBridge Jeweller operates as part of the Ajax security system and
connects to the hub via the
Jeweller
secure radio communication protocol.
The hub communication range is up to 1,800 meters without obstacles.
Supplied in two configurations: with a casing and without it.
Buy vhfBridge Jeweller

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Summary of Contents for AJAX Systems vhfBridge Jeweller

  • Page 1 Jeweller User manual Updated January 2, 2025 vhfBridge Jeweller is a module for connecting Ajax security systems to third- party VHF transmitters. It provides 8 transistor outputs for connection to third-party VHF transmitters.  The device is powered from 100–240 V~ mains and can be operated from a 12 V⎓...
  • Page 2 1. Screws securing the casing lid. Unscrew with a bundled hexagon key (Ø 4 mm). 2. Space for a 12 V⎓ backup battery. Battery not included with vhfBridge Jeweller set. 3. QR code with the device ID. It is used to pair the device with the Ajax security system.
  • Page 3 The presence of the casing depends on the vhfBridge Jeweller package. The device is supplied in two configurations: with a casing and without it. vhfBridge Jeweller board elements 1. Terminals for connecting a 12 V⎓ backup battery. 2. 100–240 V~ power supply input.
  • Page 4 Jeweller LED indicator may light up white, red, or green, depending on the status of the device. Please note that the LED indicator is not visible when the casing lid is closed. The LED indicator is used at the stage of vhfBridge Jeweller connecting and...
  • Page 5 Goes out for 0.5 seconds, then lights up green and Disabling vhfBridge Jeweller. fades out over 3 seconds. vhfBridge Jeweller is not Blinks red once per second. assigned to a hub.  The colour of the indication depends on the status of...
  • Page 6 Jeweller. The transponder receives information about alarms and events from the hub via the Jeweller radio channel. Then, vhfBridge Jeweller transmits it to a third-party VHF transmitter via wires. The VHF transmitter, in turn, transmits all events and alarms to the CMS via a radio channel.
  • Page 7 00:00 00:12 Events can be transmitted to the CMS via the Internet and vhfBridge Jeweller in parallel. Transmission via the Internet works as the main channel because of greater reliability and informativity. The transmitted events may contain the zone number of the triggered detector, group number, user number, and other data. ...
  • Page 8 Ajax apps. VHF transmitter power supply vhfBridge Jeweller can supply a third-party VHF transmitter with 12 V⎓ power (maximum output current is 2 A). If the VHF transmitter has a current consumption of more than 2 A, it can be powered by the vhfBridge Jeweller battery.
  • Page 9 PRO Desktop and the CMS. The list of transmitted parameters may differ depending on the type of the CMS and the selected communication protocol. You can find vhfBridge Jeweller ID and zone number in the States in Ajax apps. The device number corresponds to the loop (zone) number.
  • Page 10 Types of accounts and their rights To connect vhfBridge Jeweller 1. Open the Ajax app. If your account has access to multiple hubs, select the one to which you want to add vhfBridge Jeweller. 2. Go to the Devices menu and click Add Device.
  • Page 11 5. Switch on vhfBridge Jeweller by holding the power button for 3 seconds. Keep in mind that the hub connection request is only sent when the integration module is turning on. Please note that to find and pair the device, the transponder should be located within the hub’s radio communication range (on the same secured premises).
  • Page 12 All malfunctions can be seen in the transponder states. Fields with malfunctions will be highlighted in red. Icons Icons display some of the vhfBridge Jeweller states. You can check them in the Ajax app in the Devices tab. Icon Meaning Jeweller Signal Strength.
  • Page 13 Jeweller is disabled. Learn more vhfBridge Jeweller tamper triggering events are disabled. Learn more The device was not transferred to the new hub. Learn more States States can be found in the Ajax app: 1. Go to the Devices tab. 2. Select vhfBridge Jeweller from the list.
  • Page 14 Online — the device is connected. Offline — the device is not connected. Battery charge level of the device. Displayed as a percentage. How battery charge is displayed in Ajax apps Battery Charge Also, this field can display the battery status: Charging —...
  • Page 15 Please note that the field is displayed if radio vhfBridge Jeweller is operated via a signal range extender Shows the status of the device permanent deactivation function: No — the device operates in normal mode and transmits all events. Lid only — the hub admin disabled Permanent Deactivation notifications about tamper alarms.
  • Page 16 Settings can be changed in the Ajax app: 1. Go to the Devices tab. 2. Select vhfBridge Jeweller from the list. 3. Go to Settings by clicking the icon in the upper right corner. 4. Set the parameters. 5. Click Back to save the new settings.
  • Page 17 Set up the battery charge duration.  When this option is enabled, the system will send a malfunction notification if the battery connected to vhfBridge Jeweller has been charging more than 40 hours. Track battery charge time Disable tracking if the VHF transmitter is powered directly from the battery and not from the vhfBridge Jeweller power terminals.
  • Page 18 Unpairs vhfBridge Jeweller, disconnects it Unpair Device from the hub, and deletes its settings. vhfBridge Jeweller output configuration By default, vhfBridge Jeweller outputs are configured as follows: 1st output — intrusion 2nd output — panic button 3rd output — malfunction 4th output — tamper 5th output —...
  • Page 19 The settings of outputs can be changed in the Ajax app: 1. Go to the Devices tab. 2. Find vhfBridge Jeweller in the list of devices. 3. Go to the Outputs menu. 4. Find the output in the list and go to its Settings by clicking the gear icon 5.
  • Page 20 This setting is available for users with administrator rights or in the PRO app. If the device is connected to hubs with firmware version OS Malevich 2.27 and later. Event types of vhfBridge Jeweller outputs Type of Operating Icon Description event mode Output disabled.
  • Page 21 Fire Pulse Alarm when fire detectors are triggered. Auxiliary Alarm when pressing the auxiliary request Pulse alarm alert button. Alarm by clicking: DoubleButton Button in panic button mode SpaceControl The panic button on the key fob Panic button Pulse The panic button connected to the Transmitter MultiTransmitter Ajax keypads...
  • Page 22 Any malfunction of the connected detectors. Transponder Loss of external 110–240 V~ power supply to external Bistable vhfBridge Jeweller transponder. power failure Transponder vhfBridge Jeweller backup battery is Bistable battery low discharged. Hub external Loss of external 110–240 V~ power supply to Bistable power failure the hub.
  • Page 23 The time before sending an event regarding the loss of communication between the hub and vhfBridge Jeweller to the CMS is calculated with the following formula: “Hub — detector” polling interval × 30 undelivered packets. With the minimum values of the “hub — detector” polling interval, an event regarding the loss of communication with the hub is sent to the CMS in 6 minutes.
  • Page 24 1. Turn off the vhfBridge Jeweller power (if power was connected). 2. Turn off vhfBridge Jeweller. 3. Select vhfBridge Jeweller outputs to which you want to connect the VHF transmitter. 4. Pull the VHF transmitter wires into the vhfBridge Jeweller casing through the holes.
  • Page 25 6. Fasten the cable securely to the vhfBridge Jeweller terminals using a straight screwdriver (slot PL 3.0). 7. Connect the power to the VHF transmitter. If a VHF transmitter requires 12 V power to operate, it can be connected to the power terminals of the corresponding vhfBridge Jeweller zone.
  • Page 26 Jeweller and the VHF transmitter: the cable length should be sufficient for connection. The minimum distance between vhfBridge Jeweller and the radio transmitter is 2 meters and the maximum distance is 7 meters. The minimum distance is required to...
  • Page 27 All requirements can be found in the manual or from the customer service of the VHF transmitter manufacturer. vhfBridge Jeweller installation Prior to mounting vhfBridge Jeweller, ensure that you have selected the optimal location corresponding to these instructions. The transponder casing should be mounted on a vertical surface. If installed...
  • Page 28 2. Remove the vhfBridge Jeweller board from the holders by pulling them to the sides. 3. Prepare cable openings in advance by carefully breaking out the perforated parts of the casing. 4. Fasten the casing to a vertical surface at the chosen installation location using the bundled screws.
  • Page 29 5. Run the cables into the transponder casing through the previously made holes. 6. Install the vhfBridge Jeweller board into the casing on the racks. Connect VHF transmitter to vhfBridge Jeweller . Follow the polarity and connection order of the wires. Securely fasten the conductors to the terminals.
  • Page 30 9. Install a 12 V⎓ backup battery on the special holders in the casing. Please note that vhfBridge Jeweller cannot be connected to third-party power supply units. We recommend using a 12 V⎓ battery of 4 or 7 Ah. For such batteries, special holders in the casing are designed.
  • Page 31 Maintenance Check the functionality of vhfBridge Jeweller regularly. The optimal frequency of checks is once every three months. Clean the casing from dust, cobwebs, and other contaminants as they emerge. Use a soft dry cloth suitable for equipment care.
  • Page 32 Warranty Warranty for the Limited Liability Company “Ajax Systems Manufacturing” products is valid for 2 years after the purchase. If the device does not work correctly, you should first contact the support service. In most cases, technical issues can be resolved remotely.
  • Page 33 Email Subscribe...