DMX Prob Data Error

[kbonnici]

i have an zero 88 chilly pro 4-10hf and i have connected it to my pc com1 port using db9 connection which is then converted to rs 485 so i can connect to the dmx of the device.. when i am sending data using the cmd commands

 

mode com1:9600,n,8,1 to set the data bits etc ///

and

echo "@SC01:D01:LFF#">com1

i get data error from the device ....any ideas pls