in order to stream the PEC 1864 content to platforms like youtube, facebook etc. using Wowza streaming Cloud in push publish mode use the following setup.

Create a live stream in Wowza stream engine and you will recieve e.g the following settings:

Insert the settings of your live stream (as shown in the screenshot above)  in PEC 1864 as below:

Now the PEC 1864 will stream to Wowza streaming cloud and from your Wowza account one can create custom stream targets in order to stream to other streaming platforms like YouTube, Facebook etc.

Articles covering creating, configuring, publishing, distributing, and recording a live stream with Wowza Streaming Engine
An article from our knowledge base  "How to livestream on youTube and Facebook using PEC1864" :

Create a custom stream target