# Connexion du drone avec l'application qgroundcontrol

**URL:** <https://discuss.bluerobotics.com/t/connexion-du-drone-avec-lapplication-qgroundcontrol/9943>\
**Category:** Communication Interfaces\
**Tags:** fathom-s, ping\
**Created:** [June 21, 2021, 9:57am UTC](https://discuss.bluerobotics.com/t/connexion-du-drone-avec-lapplication-qgroundcontrol/9943 "2021-06-21T09:57:13Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![echbelmohamed](https://avatars.discourse-cdn.com/v4/letter/e/7ba0ec/32.png) [@echbelmohamed](https://discuss.bluerobotics.com/u/echbelmohamed)\
**Post date:** [June 21, 2021, 9:57am UTC](https://discuss.bluerobotics.com/t/connexion-du-drone-avec-lapplication-qgroundcontrol/9943/1 "2021-06-21T09:57:14Z")

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Quant je ping depuis mon ordinateur portable sur le réseau du bluerov, la réponse que j’obtiens est impossible de joindre l’hôte de destination,  
J’ai besoin de savoir le schéma de branchement des câbles au niveau du Fathom-X FXTI

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**Author:** ![murf](https://avatars.discourse-cdn.com/v4/letter/m/b9e5f3/32.png) [@murf](https://discuss.bluerobotics.com/u/murf)\
**Post date:** [June 21, 2021, 3:48pm UTC](https://discuss.bluerobotics.com/t/connexion-du-drone-avec-lapplication-qgroundcontrol/9943/2 "2021-06-21T15:48:10Z")

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Check your firewall setting’s, also fathom-x wiring diagram is on setup page, hope this helps

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**Author:** ![EliotBR](https://sea1.discourse-cdn.com/flex019/user_avatar/discuss.bluerobotics.com/eliotbr/32/6937_2.png) [@EliotBR](https://discuss.bluerobotics.com/u/EliotBR)\
**Post date:** [June 22, 2021, 5:33am UTC](https://discuss.bluerobotics.com/t/connexion-du-drone-avec-lapplication-qgroundcontrol/9943/3 "2021-06-22T05:33:50Z")

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Hi @echbelmohamed,

I just covered the wiring in another thread here:

> [@Interface de ligne électrique Fathom-X](https://discuss.bluerobotics.com/t/interface-de-ligne-electrique-fathom-x/9944/3):
>
> Hi @scavdrone, welcome to the forum! slight_smile@murf is correct - only the blue-white pair should be connected by default, like this: The additional three pairs are for any extra connections you might want to make at some point later, like using a [Ping360](https://bluerobotics.com/store/sensors-sonars-cameras/sonar/ping360-sonar-r1-rp/) with the RS-485 interface option, or a [WaterLinked underwater GPS](https://bluerobotics.com/store/sensors-sonars-cameras/underwater-gps/aps-wl-21009/), or anything else that you’d like slight_smile As a reference, our [Ping360 RS-485 Configuration Guide](https://bluerobotics.com/learn/changing-communications-interface-on-the-ping360/#connections--rs485-configuration) shows an example …

If you’re having network issues make sure you’ve followed our [Software Setup Guide](https://bluerobotics.com/learn/bluerov2-software-setup/#software-introduction). Once you’ve selected your operating system there will be relevant network setup information (e.g. [here](https://bluerobotics.com/learn/bluerov2-software-setup/#windows-network-setup) is the network setup section for Windows). Part of that includes allowing QGroundControl through your firewall, as @murf mentioned 🙂