RE: TI-H: Parallel Link


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RE: TI-H: Parallel Link



On my Ti-85, a detent will not work. But at least one other person said they 
had used them OK. I am not sure (skeptical) that it was a Ti-85.

On Wednesday, October 01, 1997 3:27 AM, Bishop [SMTP:ldgregory@biogate.com] 
wrote:
> At 07:54 AM 9/30/97 -0700, you wrote:
> >I was told at my local RS that those plugs have been discontinued and
> >there's no way in hell to get'em from the radio shack corp.
> >Im stuck using a gray cable, but I could make alot of money if I could
> >get my hands a 20-30 plugs...
> >
> I was wondering if anybody had tried to order the 72" black 2.5mm stereo
> plug from Mouser electronics.. http://www.mouser.com  It's part number
> 172-2204 on page 96 of the May 97 - Jul 97 catalog. It looks like it has a
> detent on the tip, but has anybody found whether this cable will work or
> not?  If it does, they are $2.47 ea for orders of 10 or more...
>
> As for the female 2.5mm connector, I think part numbers:
>
> 161-2502   3 conductor PCB Phone jack, PCB mount   $1.27 ea
>
> and
>
> 161-2503   3 conductor SMD Phone jack, suface mount  $1.36 ea
>
> will work... If your REALLY good at soldering, I'd get the surface mount
> version... It's quite a bit smaller.
>
> Both of them are schematically:
>
>
>
> [    \/------------O
> [       /\---------O
> -------------------O
>
> So they are Tip/Ring/Sleeve(TRS) Normally Open (NO)
>
> This is true AFAIK, but does anyone know if they are Normally Closed (NC)
>
> Schematically
>
>
> [    \/------------O
> [             /\---O
> |             \/---O
> |       /\---------O
> |------------------O
>
>
> I guess I could pull mine apart again and check. Oh well, any help would be
> great.
>
>
> ldgregory@biogate.com
> Dedicated to providing you with more information
> than you needed to know.