Connect with compuet.- TELNET??

my english is not so good it’s not my primery language so im sorry.

i have a littel problem. im want tied my Rabbit proccessor to my computer over lan. i try telnet code but i seccess just read words form computer. to send word from rabbit to computer im not seccess. eny bady now sum way to send packet or somting to computer over lan? im using Microsoft visual .net to read any protocol.