distromaster

hello! I having the BSY state of my 7200.11 1Tb. I have an USB-RS-232 cable, and an MAX232 TTL Converter (Make by me) Y can conect the PCB, but I cant write nothing in Hyperterminal. The window is blank with a cursor, but I cant write nothing. sometimes the hyperterminal window freezes, and then response. the only that run is a conection timer clock what is wrong???????? I`ve checked the Tx and Rx conection, exchange this, and nothing. please guide me, help me and excuse my bad english