Problems passing Digital I/O between XB24-B's

Hello all,
I’m trying to configure a pair of XB24-B modules to transmit the Digital Inputs of one to the Digital outputs of the other.
For this project, I need 10 lines to transmit data, so I’ve configured D0-5, D7 and P0-2 as Digital Inputs on the Router/End Device (via X-CTU), with the corresponding pins on the Coordinator configured as Digital Outputs (High). Pull up resistors on the transmitter have been enabled. Both Pan ID’s are set to 2928.

I had hoped that it would be that simple, but my optimism got the better of me because there appears to be no communication between the 2 devices.

I’ve been looking for a method to configure the IC parameter in X-CTU but I can’t find it. Also, the Terminal window remains strangely silent as there appears to be no communication coming back from either of the XBEE’s.

I’m hoping that someone can point me in the right direction and let me know what I’m doing wrong.

Many thanks,