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Applied Energistics 2 p2p tunnels for Dummies


This article contains a basic guide to understand just enough about ae2’s p2p tunnels to use them and enjoy the following advantages :

/!\ Please note that the guide will only cover the ME variant of p2p tunnels.


The main purpose of using p2p tunnels is overcoming the 8 channels limit on ae2 cables. To demonstrate how they work, we will go over a typical channel issue :

Situation to Solve

We’re trying to connect the molecular assemblers and the row of ME Drives to the controller using regular cables. This however will pose a problem since 4 assemblers + 6 Drives = 10 > 8 available channels. We can predict that the two drives that are the furthest from the controller won’t be connected to the network.

Map of the Network

As expected, the rightmost drives are not connected (indicated by the red cubes). This is when p2p tunnels come in. Theses devices allow you to wirelessly ‘transport’ channels from one point of the network to another. What we want to do here, is ‘transport’ the channels of the row of drives to a dense cable hooked straight to the controller.

To start, place a p2p tunnel at the part of the network that can’t connect. the cable need to go ‘inside’ the widest part of the p2p, just like so :

First tunnel

Now that the channels entered the first p2p, they need to exit somewhere. You now need to place a dense cable directly on the controller and place the second p2p tunnel with the widest part facing the dense cable.

Second tunnel

This way the channels that entered to first tunnel will exit the second and go into the dense cable.

/!\ Important step /!\ Now, you need to link the p2p tunnels. To do so, you need a Memory Card. Once you got it, Shift+Right Click the EXITING tunnel (closest to the controller) and then Right Click the ENTERING tunnel (closest to the drives). If done correctly, a message in the chat will notify you that the configuration has been copied succesfully.

For the last step, you need to connect the back of both tunnels to your network, I used glass cable for demonstration purposes :

Final setup

If you’ve done everything accordingly, everything should be connected to your network:

Map of final setup

As you can see, the rightmost drives are now online and the pink line represents how the channels of the drives travel wirelessly from one p2p to another.

Final Notes

Thank you for reading.