Quick Install Guide IP-Capable Smoke Detector

This IP capable smoke detector sensor is suitable for all Didactum IP-based monitoring devices and serves the detection of smoke and fire in interior spaces. An installation of the smoke detector in switch , network, technology and server cabinets is also supported.
On request, several smoke detectors can be connected in series. The maximum cable length can be up to 150 meters.

Installation of the IP-based smoke detector

The smoke detector must be installed correctly. The detection unit must only be installed with the head facing downwards! Otherwise, this sensor can not detect smoke and fire. Please observe the technical specifications of this smoke detection sensor when selecting the installation location.

This IP based smoke sensor must be installed in such a way that there is sufficient air circulation. Furthermore, the smoke inlet openings must never be covered as otherwise no smoke or fire will be detected and reported.

Installation of IP based smoke detector
Fig.1: Attach the mounting plate of the smoke detector to a suitable installation location . Then gently twist the smoke detector's base slightly to the left. Use the supplied screws and nuts to secure the sensor base to the mounting plate. Then push the sensor unit into the base and carefully turn it back to the right. Please check the correct position of the sensor unit. After successful installation, the red protective cap of the IP capable smoke detector must be removed.
Connectors of IP sensor smoke
Fig.2: Connect the networked Didactum remote monitoring unit to the port 1 of your smoke detector using the included RJ11 patch cable. By auto-identification feature the smoke detector sensor is automatically displayed in the multilingual web interface of the remote monitoring device. The LED light installed in the smoke detector starts to light up frequently. In the web interface of the IP-based Didactum monitoring device, you can define the desired alerts and notifications in case of fire.
You can connect up to 10 smoke sensors in series.
Fig.3: Up to 10 of these IP-based smoke detectors can be connected in series. The sensor port 2 of the first smoke detector is connected to the port 1 of the second detector by use of a suitable patch cable. The maximum length of wired smoke detector sensors is 150 meters (492 ft).
Cable Assignment of IP-Sensor Smoke
Fig.4: Here you see the assignment of the RJ-11 patch cable of the IP-based smoke detector. You can easily make individual cables of different lengths.
Testing of smoke sensor with test aerosol.
Fig.5: The functionality of the IP based smoke detection sensor can be tested with a suitable test aerosol. Please do not use an open fire or cigarette smoke to test this SNMP-enabled smoke detector! On the upper side of the smoke detector is a small opening for test purposes. Use a ballpoint pen to check the functioning of the networked smoke detector. The the built-in LED light will flash brightly. The test alarm is deactivated by disconnecting the sensor cable or directly in the multilingual Web GUI of the LAN-based remote monitoring device.

Technical specs of IP sensor smoke detector

  • Type of sensor: Optical smoke detector
  • Suitable for: Didactum Monitoring Systems 50 / 100 / 100 III / 400 / 500 / 500 II / 500 II-DC / 600 / 700 / PDU 700 / PDU 750
  • Connection: via RJ11 cable to the analog sensor ports of the Didactum remote security monitoring device
  • Display: Red LED light for function display
  • Cascadable: yes / up to these 10 smoke detectors can be connected in series
  • Maximum cable length: up to 150 meters (492 ft).
  • Operating environment: -10 ° C to max. + 80 ° C at 5 to 95% humidity (non-condensing)
  • Dimensions / Weight: Ø100x45mm / 290 grams

Answers to the most common questions about IP-based Smoke Sensor

Question: Is there a battery in the Didactum smoke detector?
Answer: Since the power is supplied by Didactum`s networked remote monitoring unit, no battery is needed.

Question: How often should a smoke detector be checked?
Answer: We recommend to check a smoke detector every 14 days by simply pressing the test function button with a ballpoint pen.

Question: Can the functionality of the smoke sensor be checked with a glowing cigar / cigarette or with burning paper?
Answer: The sensor smoke may only be tested with an approved test spray (so-called test aerosol for smoke detectors). Smoke particles or nicotine can damage the optical detection unit of the IP-based smoke detector.

Question: Is the optical smoke detector also suitable for rooms with increased air circulation or a high airflow? What about areas with a very high humidity or high dust load?
Answer: In rooms with increased dust concentration, high humidity (RH) or high air circulation, the use of an optical smoke detector is not recommended. Didactum`s thermal fire detector sensor should be installed in the affected rooms.

Question: How will we be informed if the installed smoke detector should fail?
Answer: A disconnect alarm can be defined in the web interface of the networked Didactum remote monitoring device. This will notify you of a technical defect, cable break or sabotage.

Question: I installed the smoke detector in near of a neon tube. When I turn on the lights, I sometimes get a false alarm. What is the reason?
Answer: In general, optical smoke detectors should not be installed in the near of (heavy) power lines or fluorescent lamps. For reasons of electromagnetic interference, please change the installation location of this networked smoke detector.

Question: Our smoke detectors are covered with a light dust layer after many months of use. How can I clean the smoke detectors?
Answer: The inlet openings of the IP sensor smoke should be cleaned with a suitable microfiber cloth. Please do not use a vacuum cleaner as the electronic components of the smoke detector may be affected.

Question: I have triggered the function button of the smoke detector for test purposes. There was no alarm!
Answer: Please check the wiring cable between the smoke detector and networked monitoring unit. If you are using a self-crimped patch cable, please use the RJ11 patch cable included in the scope of delivery of the smoke sensor. The LED of the smoke detector must be illuminated intermittently. A correctly connected IP smoke detector sensor must be displayed in the WebGUI of the Ethernet-enabled Didactum monitoring system! Furthermore, please check the notification and alarm functions stored in the logics of the remote monitoring device.

Question: Can the smoke detector continue to be used after a fire?
Answer: No. The affected smoke detector must be replaced.

Question: When should the installed smoke detector be replaced?
Answer: The electronic components of this SNMP-enabled smoke sensor are subject to aging processes. Therefore, an exchange of the smoke detector should take place no later than 10 years from the date of initial commissioning.

Question: How can I integrate the smoke detectors into our Nagios network monitoring software?
Answer: The manufacturer Didactum offers MIB files and plugins for Nagios and Nagios Forks. These can be found on the English website here. After you have installed the plug-in, you can also monitor this IP-capable sensor under Nagios monitoring software.