This support article will provide settings information on how to connect DataVideo-NVS25 with your Switchboard Cloud Account.
In order to use Switchboard Cloud with Datavideo - NVS25you will need to use the following streaming profile: 720p 30 fps GOP at 60 - 2000kbps video & audio 128.
These are the recommended settings via Datavideo when connecting to a rtmps:// based server with an NVS25 encoder.
First, check to ensure you have the latest firmware (FW190927).
Here's a LINK to download the latest firmware: https://datavideo.com/us/files
There are instructions provided in the zip file on how to do so, but for the most part, here they are: