Quote Originally Posted by lerameur View Post
Ok I posted a picture of the working module, I bit different.
same link
2nd picture, bottom trace is old 'working' receiver output?

If so, do you see that big gap after every transmission? That's the data slicer slowly losing it's mind. After a couple of ms, it starts going nuts, which is why you have to train the rx.

If I had to guess, I would say try using n2400 (or t2400, I don't remember which) instead of what you're using now, on both TX and RX. Then try t2400 on the TX and n2400 on the RX. It (the new TX/RX pair) looks like it's inverted or something.
And again, try bumping up the speed. On the new RX 'scope picture, see how that gap isn't there? That thing loses it's mind fast.