I'm having trouble performing what should be a simple check to make sure a device is connected via serial cable. It hangs up on the "test1.Read..." and I can't work out what is wrong. If anyone is able to tell me the no-doubt obvi ...

Anyone who can help me understand this would be much appreciated. I'm trying to connect to a Marconi 2945 to control it over the RS232 connection. I am trying to get my head around how to use the following data in the manual: The fol ...