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en:faq [2026/08/05 18:05] – [Does it matter which USB-C port powers it?] thomas585en:faq [2026/08/06 18:51] (current) – add cross references to detail pages, fix small typos fasteiner
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 URL https://opentrafficmap.org/service/?nodeId=nodeXXX URL https://opentrafficmap.org/service/?nodeId=nodeXXX
  
-**ATTENTION**: Please change the "User Passwort" to protect your node settings!+**ATTENTION**: Please change the "User Password" to protect your node settings! 
 + 
 +More info can be found here: [[en:node_registration|Node Registration]]
  
 ===== What do the LEDs mean? ===== ===== What do the LEDs mean? =====
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 | PKT   | purple |         | | PKT   | purple |         |
 ===== Does it matter which USB-C port powers it? ===== ===== Does it matter which USB-C port powers it? =====
-No, it doen'mater which USB port you use to power the board.+No, it doesn'matter which USB port you use to power the board. 
 + 
 +More info can be found here: [[en:getting_started|Getting Started]]
  
 ===== My phone won't do USB tethering — why? ===== ===== My phone won't do USB tethering — why? =====
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 ===== Is there a data buffer when offline? ===== ===== Is there a data buffer when offline? =====
-No. At the moment (Firmware 0.5.1) ther is no support for local data logging to the SD-card.+No. At the moment (Firmware 0.5.1) there is no support for local data logging to the SD-card. 
 + 
 +More info can be found here: [[en:software:mqtt|MQTT Server]]
  
 ===== Which antennas can I use? ===== ===== Which antennas can I use? =====
 The node with the case has an integrated antenna. (comes with the ESP32) The node with the case has an integrated antenna. (comes with the ESP32)
 +
 +More info can be found here: [[en:hardware:antennas|External Antennas]]
  
 ===== Why is my node so hot? ===== ===== Why is my node so hot? =====
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   * **Direct sunlight** on outdoor installations.   * **Direct sunlight** on outdoor installations.
  
-In direct sunlight in summer season more than 83°C where seen. :-(+In direct sunlight in summer season more than 83°C were seen. :-( 
 + 
 +More info can be found here: [[en:reception|Reception & Placement]] 
 ===== Why is reception poor despite good height? ===== ===== Why is reception poor despite good height? =====
-  * interference of a 5GHz WALN Access Point near by -> seperate devices or deactivate 5GHz (ESP32 only uses 2.4GHz)+  * interference of a 5GHz WLAN Access Point nearby -> separate the devices or deactivate 5GHz (ESP32 only uses 2.4GHz)
   * indoor usage (Tinted windows also reflect waves) -> mount outdoor   * indoor usage (Tinted windows also reflect waves) -> mount outdoor
  
 +More info can be found here: [[en:reception|Reception & Placement]]
  
 ===== How do I monitor my node in Home Assistant? ===== ===== How do I monitor my node in Home Assistant? =====
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   * **MQTT:** the node publishes telemetry to a broker, HA reads it via the MQTT integration.   * **MQTT:** the node publishes telemetry to a broker, HA reads it via the MQTT integration.
 From there you can build sensors, automations, and dashboards in HA. From there you can build sensors, automations, and dashboards in HA.
 +
 +More info can be found here: [[en:software:home_assistant|Home Assistant]]
  
 ===== PoE vs USB powered / jumper settings? ===== ===== PoE vs USB powered / jumper settings? =====
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 | Passive PoE | ''Passive'' | Power via LAN cable from a passive injector supplying the rated DC voltage directly – no negotiation, no classification. Does **not** work on an 802.3af switch (the port stays off). | | Passive PoE | ''Passive'' | Power via LAN cable from a passive injector supplying the rated DC voltage directly – no negotiation, no classification. Does **not** work on an 802.3af switch (the port stays off). |
 | USB | irrelevant | Power via the USB port (either one). Independent of the jumper position. \\ **Do not supply USB and PoE at the same time!**| | USB | irrelevant | Power via the USB port (either one). Independent of the jumper position. \\ **Do not supply USB and PoE at the same time!**|
 +
 +More info can be found here: [[en:getting_started|Getting Started]]
 +
 +===== Do I need surge protection for an outdoor node? =====
 +
 +If the receiver is mounted outside and the LAN cable runs to a switch indoors: yes, recommended.
 +See [[en:hardware:surge_protection]] – one inline surge protector per outdoor run, and it must be grounded.
  
 ===== Does the node support WIFI? ===== ===== Does the node support WIFI? =====
 No. The Espressif ESP32 C5 is used to receive the C-ITS signals only. So you have to use the LAN port. No. The Espressif ESP32 C5 is used to receive the C-ITS signals only. So you have to use the LAN port.
 +
 +More info can be found here: [[en:getting_started|Getting Started]]
  
 ===== How to view the raw data (MQTT packets) the node sends to the server? ===== ===== How to view the raw data (MQTT packets) the node sends to the server? =====
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 | Mac     | MQTT Explorer | https://mqtt-explorer.com | | Mac     | MQTT Explorer | https://mqtt-explorer.com |
 | Mac     | MQTT Viewer   | https://mqttviewer.app | | Mac     | MQTT Viewer   | https://mqttviewer.app |
 +
 +More info can be found here: [[en:software:mqtt|MQTT Server]]
  
 ===== How does OpenTrafficMap know the location of my node? ===== ===== How does OpenTrafficMap know the location of my node? =====
 The location is unknown until you specify it in the Node Admin Portal under "Set coordinates on map". The location is unknown until you specify it in the Node Admin Portal under "Set coordinates on map".
  
-===== Is my node (not) visible on the map? ===== +More info can be found here: [[en:node_registration|Node Registration]] 
 + 
 +===== Why is my node (not) visible on the map? ===== 
 Your node will only appear on the map if you enable the "[X] Show on map" option in the node admin portal. Your node will only appear on the map if you enable the "[X] Show on map" option in the node admin portal.
 +
 +More info can be found here: [[en:node_registration|Node Registration]]
  
en/faq.1785945941.txt.gz · Last modified: by thomas585