Hi Thomas.
Hello! when you look at http://openbsc.osmocom.org/trac/attachment/wiki/BS11_Configuration/bs11_conn...
you see that the second rx/TX-Ports are connected. Is this absolutly nesessary?
No, you can leave the port unconnected. All setups (with a single BTS) i have seen yet are only connected through the first port.
But it would be interesting to know why the author of the picture has connected the TX and RX of port 2. This is the first time i see a setup that is connected that way.
regards. Philipp