modem help

From: no <oliv555_at_arrl.net>
Date: Fri Oct 25 16:01:01 2002

Patrick Rigney wrote:

> >>I have a couple of (almost classic) external modems missing the wall
> >>warts. Anyone on list running either of these that can provide the dc
> >>voltage/current requirements? Thanks.
> >>
> >>Sportster 33.6 faxmodem
> >>Motorola ModemSurfer 33.6
> >
> >The Sportster needs a 9VAC supply (if that is the "standard" white
> >Sportster modem anyway). I have tons of these modems also in need of
> >supplies.
>
>
> Hmmmm... I have two Sportsters. One is a 33.6 model (product code is
> 000839-07), which uses a 9VAC supply, 1000ma, labeled USR part number
> 1.015.1286. The other one is an older 28.8 model (product code is
> 000839-01), and it uses a 20VAC (!) supply, 500ma, labeled p/n 1.015.1202-B.
> Neither modem has any marking stating its power requirements. Sweet. The
> plugs on both are very similar, both black banded 5.5mm female, but the
> center hole is 2.1mm on the 20V supply, 2.5mm on the 9V supply. Just a
> quick peek at the Jameco catalog looks like their equivalent part number for
> the 9V supply is 157041 for $5.95 (caveat emptor... I can't confirm this is
> a working replacement, it just looks right).
>
> Patrick
>
>
I picked up 2 of the sportster 33.6's (white). One is for PC, the other is
a Mac modem. The PC box has a larger center pin (same as the Motorola),
than the Mac modem.

Found lots of sportster info on the wweb, but not a word on power supplies.

-nick
Received on Fri Oct 25 2002 - 16:01:01 BST