If a PTZ Optics NDI camera source name is visible within NewTek software but the video input only displays black output, then check the following setting within the camera.
Go to the camera's web interface using the camera's IP address. The default IP address for PTZ Optics cameras is typically http://192.168.100.88
On the left side menu select Network. On that page make these changes:
1. RTMP(s) Settings > First stream MRL = Off
2. RTMP(s) Settings > First stream MRL = Off
3. RTSP Settings > RTSP Auth = Off
You may need to restart the camera and the NDI application to view the video output.
Current as of 9/14/2021