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Total 5 documents matching your query.

1. [RFI] Power Over Ethernet from Switch Mode Power supplies (score: 1): Author: Chuck Gooden <Chuck.Gooden@comcast.net>; Date: Sun, 7 Jul 2019 18:26:14 -0500; I am currently experiencing RFI issues on 40 meters and below. Some, but not all, of these issues are due to the Power over ethernet (POE) switches that I am using. I have two POE switches and 2 Wir; /archives//html/RFI/2019-07/msg00001.html (9,090 bytes)
2. Re: [RFI] Power Over Ethernet from Switch Mode Power supplies (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Sun, 7 Jul 2019 19:24:23 -0700; See my advice on killing RX noise. k9yc.com/publish.htm It starts with replacing all SMPS with linear. How much current do you need? Does it need to be regulated? What frequencies are you concerned; /archives//html/RFI/2019-07/msg00002.html (8,175 bytes)
3. Re: [RFI] Power Over Ethernet from Switch Mode Power supplies (score: 1): Author: Richard Battles <wb4byq@gmail.com>; Date: Sun, 7 Jul 2019 22:09:32 -0500; I have used type 43 and 31 half inch s snap on cores. Wind at least 3 turns into the core. I used stranded cat 5e winds better. Fixed the carriers on the wire. _______________________________________; /archives//html/RFI/2019-07/msg00003.html (9,294 bytes)
4. Re: [RFI] Power Over Ethernet from Switch Mode Power supplies (score: 1): Author: Thomas Mills <tsmills@bellsouth.net>; Date: Mon, 8 Jul 2019 03:48:39 +0000 (UTC); I've have used shielded cat 5 with very good results. The pre-made cables with shielded/ground connectors. See my advice on killing RX noise. k9yc.com/publish.htm It starts with replacing all SMPS; /archives//html/RFI/2019-07/msg00004.html (8,635 bytes)
5. Re: [RFI] Power Over Ethernet from Switch Mode Power supplies (score: 1): Author: Greg Troxel <gdt@lexort.com>; Date: Mon, 08 Jul 2019 12:32:57 -0400; You didn't mention what kind of equipment, and I'm not sure why not, as the collection of anecdotes is somewhat helpful to others. I have measured some Ubiquiti access points (they come with 24V supp; /archives//html/RFI/2019-07/msg00005.html (10,019 bytes)

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