[TenTec] Omni V DB25 to DB9 wiring

Steve Baron - KB3MM SteveBaron at StarLinX.com
Fri May 20 14:32:08 EDT 2005


----- Original Message ----- 
From: "Roger Borowski" <K9RB at bellsouth.net>
To: <a7bull at hotmail.com>; <tentec at contesting.com>
Sent: Friday, May 20, 2005 20:04
Subject: Re: [TenTec] Omni V DB25 to DB9 wiring


> Andy, By far, the easiest way is to use any

You really do not want to do that.  Take a look at fIGURE 5-10a ON PAGE 5-9.
Note that only pins 1,2,3 and 7 areused.  here is a good reason for that.
Look at
paragraph 6-24and table 6-1 on page 6-99.


>' standard serial (straight
> through) cable, either 9 pin or 25 pin, and your local Radio Shack has an
> adapter that with adapt one side to be what you need.
> If you are determined to brew your own cable, here's the conversion
between
> 9 and 25 pin serial connections;
> DB-9 Pin 1  to> DB-25 Pin 8   >(DCD)
> DB-9 Pin 2  to> DB-25 Pin 3   >(RXD)
> DB-9 Pin 3  to> DB-25 Pin 2   >(TXD)
> DB-9 Pin 4  to> DB-25 Pin 20 >(DTR)
> DB-9 Pin 5  to> DB-25 Pin 7   >(GND)
> DB-9 Pin 6  to> DB-25 Pin 6   >(DSR)
> DB-9 Pin 7  to> DB-25 Pin 4   >(RTS)
> DB-9 Pin 8  to> DB-25 Pin 5   >(CTS)
> 73, -=Rog-K9RB=-
>
>
> ----- Original Message ----- 
> From: "A.W. B." <a7bull at hotmail.com>
> To: <tentec at contesting.com>
> Sent: Friday, May 20, 2005 3:20 PM
> Subject: [TenTec] Omni V DB25 to DB9 wiring
>
>
> Ok...I used to know this...The wiring diagrams in the Omni V manual are
for
> DB25 to DB25 for a PC but I want to have a DB9 at the computer end for a
> standard serial port. Do I wire the DB9 like the diagram for the Mac DB9
in
> the manual? I seem to remember that doesn't work. Any help would be
> appreciated. Thanks!
>              Andy W1AWB
>
>
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