From: "Larry Cochrane" <cochrane@..............> Subject: Re: WinSDR serial I/O Date: Sat, 12 Oct 2002 18:22:09 -0700
Gary,
For normal usage all you need are the transmit, receive and ground lines. To
upgrade the firmware on the A/D board you will need a cable that has all 9
lines connected between the computer and the board.
-Larry
----- Original Message -----
From: "Gary Thurmond" <w6str@.......>
To: <winsdr@..............>
Sent: Saturday, October 12, 2002 6:13 PM
Subject: WinSDR serial I/O
> Larry,
>
> What will be the effect on WinSDR or the PSN ADC Serial board if the
> following lines are not connected?
> Pin 1 - CD (Carrier Detect) Output - CPU P2-PC0 Line
> Pin 4 - DTR (Data Terminal Ready) Input - CPU Reset Line
> Pin 6 - DSR (Data Set Ready) Output - CPU STAT Line
>
> I ran a test with a three wire RS-232 connection. RTS and CTS looped
> back at the PC.
> Everything seems to work ok. So I figure pins 1, 4, & 6 are not used at
> this time or are used infrequently.
> The reason I ask, I have a pair of two channel RS-232 fiber optic
> transceivers I want to use in the final installation and they do not
> support the status lines.
>
> Gary
.