> The RS232 circuit is for interfacing with the PC. It is not connected
> between the two PICs, but on the master side, to the PC. The two PICs
> are still connected as before, but now the slave can only talk when the
> RS232 circuit is connected.

The problem may be that you are using a PIC with only one UART. If you
want to communicate between two PICs you shouldn't also be using the
same UART to talk to another network.

I would suggest using either SPI or I2C to communicate between the
two PICs rather than overloading the UARTs.

Good luck!
--
D. Jay Newman           ! DCX - it takes off and lands base down,
jay@sprucegrove.com     !       as God and Robert Heinlein intended.
http://enerd.ws/robots/ !

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