xbee s2c cordinator console double color issue

Hi all I set up 2 zigbee s2c modules on at mode and define coordinator at one device. at the console i can send from end device to coordinator however when i write something at the coordinator side written letters repeat themselves in blue and red order and i cant see the message at the end side?

Check your DL and DH values. Most likely they are 0 which is the address for the coordinator. Change them to the SL and SH of your end device or router and that should solve it.