Return-Path: Received: from mtain-da05.r1000.mx.aol.com (mtain-da05.r1000.mx.aol.com [172.29.64.77]) by air-db10.mail.aol.com (v129.4) with ESMTP id MAILINDB104-869e4c4a0074b7; Fri, 23 Jul 2010 16:49:56 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-da05.r1000.mx.aol.com (Internet Inbound) with ESMTP id 2828338000120; Fri, 23 Jul 2010 16:49:55 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OcPA7-0008Ni-2Q for rs_out_1@blacksheep.org; Fri, 23 Jul 2010 21:48:07 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OcPA6-0008NZ-Kz for rsgb_lf_group@blacksheep.org; Fri, 23 Jul 2010 21:48:06 +0100 Received: from blu0-omc2-s14.blu0.hotmail.com ([65.55.111.89]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1OcPA5-0001S6-Jg for rsgb_lf_group@blacksheep.org; Fri, 23 Jul 2010 21:48:06 +0100 Received: from BLU146-W20 ([65.55.111.71]) by blu0-omc2-s14.blu0.hotmail.com with Microsoft SMTPSVC(6.0.3790.4675); Fri, 23 Jul 2010 13:47:56 -0700 Message-ID: X-Originating-IP: [72.35.100.203] From: Laurence KL7UK To: , Date: Fri, 23 Jul 2010 12:47:56 -0800 Importance: Normal MIME-Version: 1.0 X-OriginalArrivalTime: 23 Jul 2010 20:47:56.0952 (UTC) FILETIME=[546D6980:01CB2AA8] X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Content-Type: multipart/alternative; boundary="_0dde5e79-5ae9-4ee6-ad68-cd996d1ae89b_" Subject: LF: Noise R75 - rs232 from smpsu - X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=FORGED_HOTMAIL_RCVD, HTML_MESSAGE autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d404d4c4a00732e56 X-AOL-IP: 193.82.116.20 X-AOL-SPF: domain : blacksheep.org SPF : none X-Mailer: Unknown (No Version) --_0dde5e79-5ae9-4ee6-ad68-cd996d1ae89b_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable =20 Anyone done any common mode noise mitigation from the RS232 port of the R7= 5 Rx> - the noise coming up from the SMPSU/processor from the old Dell put= er - cable is double screened - choking off using J (75) type has seen lit= tle improvement - this is my last hurdle to unimpeded remote rx on 137 -= any pointers appreciated - everythings bonded and Ive tried the on/off ea= rth tricks at various locations -=20 =20 Anyone had any success of powering a Dell D series from a non standard non= switched PSU? (the noise goes away when the DC from the Black Dell brick= is removed but it may also be partially screen/processor noise...) =20 with thanks =20 Laurence Kl7UK =20 _________________________________________________________________ The New Busy think 9 to 5 is a cute idea. Combine multiple calendars with= Hotmail.=20 http://www.windowslive.com/campaign/thenewbusy?tile=3Dmulticalendar&ocid= =3DPID28326::T:WLMTAGL:ON:WL:en-US:WM_HMP:042010_5=3D --_0dde5e79-5ae9-4ee6-ad68-cd996d1ae89b_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Anyone done any common mode noise mitigation from the RS232 port of the R7= 5 Rx> - the noise coming up from the SMPSU/processor from the old Dell= puter - cable is double screened - choking off using J (75) type has= seen little improvement - this is my last hurdle to unimpeded remote rx= on 137 - any pointers appreciated - everythings bonded and Ive tried the= on/off earth tricks at various locations -

Anyone had any success of powering a Dell D series from a non standard non= switched PSU? (the noise goes away when the DC from the Black Dell brick= is removed but it may also be partially screen/processor noise...)

with thanks

Laurence Kl7UK

The New Busy think 9 to= 5 is a cute idea. Combine multiple calendars with Hotmail. Get busy.<= /a> =3D --_0dde5e79-5ae9-4ee6-ad68-cd996d1ae89b_--