Convertion from Gr47 to Gr64

Hello All, I have been working for some time with the gr47 but it was replaced with the gr64. Im trying to make the changes to replace the old gr47 with the new gr64, Im wisng the version that is suppose to be compatible with the old modem. As we lost the usart2 that I used for debugging I used the command printdir to redirect the prtf to port 1 and use it as my debug port, here all is ok, the problem is that I stop to receive the debug works from the processor, so if there is a error in the code the program just stop and I dont see nothing!!! Can anyone help me??
Thanks :smiley: