Netgear stuff has similar problems, but at least they mark the units
with the voltage requirements (usually).
email@example.com told me on 07/26/2007 10:53 PM:
> Maybe it was planned obsolescence...? Optilators have some non-compatible voltage, but compatible connector problems. also, with different models. Some run on 24Vdc & some on 5V, IIRC.
> John S.
> -----Original Message-----
> From: Sherrod Munday <firstname.lastname@example.org>
> To: CRTech <email@example.com>
> Sent: Thu, 26 Jul 2007 10:52 pm
> Subject: Re: [CRTech] Sportster 33.6 ext. modem ?
> On Thursday 26 July 2007 06:36, Andy Larsen wrote:
>> I've got one in a box...the original adapter says US Robotics on it. Output
>> is 9V AC, 1000 mA.
> I never did like how USR used the exact same physical size and shape modem
> with the same size barrel connector on back for their different models ...
> and then used different power supply voltages and currents on various ones.
> I guess they never heard of consistency and interchangeable parts...