Why can't my P2P channel expand?

Pic 1, 2 P2P channels at the same frequency, also have energy
Figure 3, using the other way does not work

Look at this picture, 0/32, the AE controller does not give the cable channel

Am I using it in the wrong way? I've always used it this way without a problem! V0.74 is used

How to hide the content of the red area, I don't know how to set it, I haven't found it for a long time

Thank you for the report!
I never encountered this issue myself, but could try to reproduce it soon.

Note that AE2 is actively developed right now, and i usually keep latest version. Try to check their github issues - maybe someone already reported same thing: https://github.com/PrototypeTrousers/Applied-Energistics-2/issues?q=is%3Aissue+is%3Aopen+sort%3Aupdated-desc

I cant reproduce the issue. Maybe you connecting its wrong?

There is my setup - working fine:

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