# Serial Connection

{% hint style="warning" %}
The ROVL is set at the factor to be either TTL-serial or USB. Just changing the cable is not enough to switch the interface between serial and USB. Contact the factory for help if you need to make this change.
{% endhint %}

### ROVL Serial Connection

<figure><img src="/files/T2WjBDK5CScTzJyvWPUv" alt=""><figcaption></figcaption></figure>


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