CSM(r) Gary Huber wrote: > Note; if you choose to use only DB-9 pins 2,3, and 5 for signal, you must > use 9600 baud and below speeds with software flow (XON - XOFF) flow control. > Thats strange, I only use 2-3-5 and 19200 and all works perfectly. I must have missed the above somewhere. Ed W3NR