BG>> The FCC rules are specifically designed to provide reasonable
 BG>> protection against RFI (Radio Frequency Interference) in residential
 LE>> There's a hidden fact there too - most appliances say "Class B
 LE>> compliance testing was performed with shielded cables. To ensure
 LE>> compliance, shielded cables must be used at all times". Then they go
 BG> That's really no big deal, as your average motherboard generates a hell of
 BG> a lot more EMR than a modem does anyway.  My USR for example, is in a

An INTERNAL MODEM is damn close to the motherboard. I imagine most of the
noise finds its way into the DC rails.

 LE>> Zoom were, for a while, shipping with their V.34 models an ENORMOUS
 LE>> plastic-coated ferrite cylinder to put around the telco cables (both in
 BG> I'd be more inclined to suggest that their modems were subject to
 BG> interference from external RFI, rather than actually causing it.  That's

The chokes (I should have been more specific) were only supplied with the
internal models. I think someone tested one in a noisy PC and found it
didn't comply with FCC regs. Strictly, FCC regs state that all connections
to a Class B computing device must be shielded - I don't know if they will
accept coax as being shielded, or whether they require actual
suppressors... My laptop came with a boxful of chokes for any third party
components you care to connect - mouse, VGA monitor, etc etc etc.

 BG>  + Origin: Save our native fauna. Kill a cat today! (3:640/305.9)

Silly statement. If you really want to save our native fauna, kill a white man today.

/=\ Lewin A.R.W. Edwards       BBS 03 98276881 * Landline 03 98278807
(o) Telecom 0419 320415 * Optus 0412 809805 * Alpha pager 03 92566393

--- GoldED 2.41+