You could also use a 3.5 mm stereo headphone plug/jack.
You'd have to make your own adapter, but we've been using them
for years on our experimental stimulators, with good success.
Put PC Tx on ring so you'll never get tx-tx collision when
inserting.

redtock8@dxtron wrote:

> Hi Padu,
> I do this all the time. I use a DB9 to RJ45
> adapter and a CAT5 patch cable. You need RX,TX,GND.
> I buy the adapter at Frys for a couple of bucks
> Fry's pn: 2402340, it's made by Pan Pacific.
> Albert
> =================================
> DXTron Technology Inc
> Atlanta, Ga
> PCB Assembly
> TH and SMT
> PCB Design
> PIC Chip Programming
> Systems Design and Programming
> =================================
> redrock8@dxtron.com
> www.dxtron.com
> =================================
> ----- Original Message ----- From: "Padu" <padu@merlotti.com>
> To: "piclist" <piclist@mit.edu>
> Sent: Wednesday, February 23, 2005 2:56 PM
> Subject: [EE] Help on cable selection
> 
> 
> Hi,
> 
> I need to connect the device I'm developing to a PC using a serial port. 
> Right now, on my development board I have a PCB DB9 female, that makes 
> the PC connection using a standard DB9 male - DB9 female 1-to-1 cable.
> 
> The thing is my device is too small to have a PCB DB9 female, so I was 
> thinking of other types of connection. I'm only using the Rx and Tx 
> lines (do I need to have a cable with more than 2 wires?) so I was 
> thinking of a smaller connector in the device (RJ11 for example) and 
> providing a RJ11 male to DB9 female cable with my device, but I couldn't 
> find such cable on mouser. Is this so out of the normal that I'll have 
> to customize a cable for this application or do you know a manufacturer 
> that makes such a cable (or one that uses similar small sized connector 
> on one side of the cable)
> 
> TIA
> 
> Padu
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