With the "Home-Built" issue, I was keying on the "instructions to build available on the internet" part, obviously if the systems are offered or marketed for sale whole, or in kit form, then as far as the FCC rules are concerned, it's not considered homebuilt.
This has been an issue for as long as I can recall, PC systems, built and sold through mom-and-pop stores, usually slide when it comes to the FCC rules. It's just too difficult for the FCC to pursue each and every issue. I can't speak for the FCC, but my understanding is that the FCC is complaint driven, so if this becomes a problem, someone possibly will complain, and the FCC will get involved, depending on the severity of the problem. Now, if this becomes a major craze and everyone is buying these systems, then the exposure to any problems that exist is far greater, and the probability of the FCC putting a stop to it is far greater. The short-and-simple of it is that it is not legal to sell these systems unless the FCC rules have been applied. The more complex question would then be, What can, and or should, be done about it? And to make this response even longer and more complex, let me ask one more question; How many people build or modify their own systems at home or in the office, and how many problems are actually caused by these systems? Jeff -----Original Message----- From: [email protected] [mailto:[email protected]]On Behalf Of [email protected] Sent: Monday, July 15, 2002 5:58 AM To: [email protected]; [email protected]; [email protected] Subject: RE: Open chassis computers for sale - with neon lights? If they are selling these PC's out of a store, how can they be homebuilt? Michael Sundstrom NOKIA TCC Dallas / EMC ofc: (972) 374-1462 cell: (817) 917-5021 amateur call: KB5UKT -----Original Message----- From: ext Jeff Klinger [mailto:[email protected]] Sent: Friday, July 12, 2002 5:39 PM To: George Stults; [email protected] Subject: RE: Open chassis computers for sale - with neon lights? George, The method for testing motherboards is intended to be combined with the DoC method of declaring compliance based on individual testing of the components that comprise the full computer system, i.e. Assembled from tested components. The final computer system is still required to meet the FCC Class B limit just as if it was tested, even though it was not. I suppose that a small (extremely small) chance exists that the final system could pass if tested. The loophole here may be the "Home-Built devices" clause, Title 47 part 15.23. Where the device is not marketed or constructed from a kit. This allows for five or less devices built for personal use without the need for compliance testing (FCC only). Jeff Klinger Director EMC Engineering Compatible Electronics, Inc. Ph: 714-579-0500 Fx: 714-528-8984 http://www.celectronics.com NARTE Certified ATL-0180-E -----Original Message----- From: [email protected] [mailto:[email protected]]On Behalf Of George Stults Sent: Friday, July 12, 2002 3:11 PM To: '[email protected]' Subject: Open chassis computers for sale - with neon lights? Hi Folks, I just walked into three local computer stores (west coast, USA) and found that desktop computers have become art forms. There are computer cases for sale with large plexiglass windows about (10in x12in), some with a fan in the middle of the plexiglass panel, and inside the case, there is a 12 inch long neon lamp, powered from the ATX power supply just like any installable drive. Through the window, one can see the motherboard, CPU heatsink, etc, all illuminated by the Neon light. Its the latest in computer fashion, I suppose..... I asked a few questions at the stores and found at there are least 2 manufacturers, and that one can obtain kits on the internet to do the same modification at home. After looking at the computer cases, I would expect them to radiate about the same as an open chassis though possibly more directional. My question would be, is there any loophole through which this is legal, or is this the blatant violation that it looks like. I've heard that there is a requirement for computer motherboards to fall within some radiated level with an open chassis. Is that correct and could that be the rational here? George Stults ------------------------------------------- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. 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