I think RS-485 is a half-duplex bus. Also can the dsPIC demo board support both the RS-232 and RS-485 interfaces'. 

Appreciate your response.

Thanks.
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Sent from the MicroControllers - PIC forum at Nabble.com:
http://www.nabble.com/serial-port-for-RS485-in-dsPICSDB-t625183.html#a1675864
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