[PSES] Automotive EMC question

2013-10-04 Thread Rick Goodwin
No, just the pair. No matter what flavour of CAN, it's just 2 wires. CAN Hi and CAN Lo. 3 twists per inch on the wiring harness. Rick Goodwin - Original Message - From: "Ken Javor" To: Sent: Friday, October 04, 2013 6:40 PM Subject: [PSES] Automotive EMC question The CAN bus st

Re: [PSES] Ferrite on LAN Cable

2013-10-04 Thread Bill Owsley
Was this response on the KDB, the Knowledge Data Base? If so, what is the number? That is where the FCC makes rulings on a near day to day bases. And those reasons are very similar to the ones given for the EU requirement. > > From: "Bell, Chad" >To: EMC-PSTC@LI

[PSES] Automotive EMC question

2013-10-04 Thread Ken Javor
The CAN bus standard looks a lot like MIL-STD-1553 in architecture. But I also hear people saying that CAN bus requires more than two wires, such as three wires, or three wires plus a shield. I can see the shield for EMI, but in terms of just bus functionality, is there any need for more than jus

[PSES] informative documents -- safety

2013-10-04 Thread Richard Nute
Here a a couple of documents you might find useful. They were posted to LinkedIn. From Australia. http://www.productsafety.gov.au/content/index.phtml/itemId/1003280 http://www.productsafety.gov.au/content/index.phtml/itemId/1003284 Enjoy! Rich -

Re: [PSES] Public Service: Opt Out From Online Behavioural Advertising

2013-10-04 Thread Peter Tarver
> From: N. Shani [mailto:nshani...@gmail.com] > Sent: Tuesday, October 01, 2013 18:28 > > This may apply to Canadian on-line advertising only, > but I'm sure other jurisdictions around the globe have > similar sites/tools available. > To see more, and opt-out, see > http://youradchoices.ca/choices

Re: [PSES] Job titles

2013-10-04 Thread Doug Powell
All, Thank you all for replying, many good pointers and a couple I had not thought of. When explaining my work to extended family members, I start in and quickly get that glazed look in the eye when I’ve lost them. So I usually explain I do EMC which is like making sure an appliance does not

Re: [PSES] Ferrite on LAN Cable

2013-10-04 Thread Anthony Thomson
Hello Gary, I know Panasonic supply clip-on ferrite cores with some of their TV's with the instruction to fit them to certain cables the end user plugs into the TV. This would seem a sensible approach where the manufacturer doesn't supply all the cables that will be plugged into their product b

Re: [PSES] Ferrite on LAN Cable

2013-10-04 Thread Kunde, Brian
I agree with John (as I usually do). We purchased an electronic device a few years ago in the US and it came is a bag of snap-on ferrite beads and instructions to what cables they had to be put on; even though not all the cables were provided. For instance, if I used a USB printer then one of t

[PSES] Surge Generator per UL 244A

2013-10-04 Thread Grace Lin
Dear Members, Could you please share the manufacture and model available on the market for surge generators per UL 244A (and comments)? Clause 29.5 of UL 244A states: " The surge generator shall have a souce impedance of 50 ohms. With no load on the generator, the surge waveform shall have the

Re: [PSES] Ferrite on LAN Cable

2013-10-04 Thread John Woodgate
In message <830f86aca6c04c0aa3791601703cb...@bl2pr08mb273.namprd08.prod.outlook.com> , dated Fri, 4 Oct 2013, "Bell, Chad" writes: Here is the response from the FCC on the same question except we asked about adding a ferrite on the power cable. That may be OK for a power cable, as they are u

Re: [PSES] Ferrite on LAN Cable

2013-10-04 Thread Bell, Chad
Gary, Here is the response from the FCC on the same question except we asked about adding a ferrite on the power cable. "The power cord with ferrite snaps and clamps for conducted emission compliance has got to be supplied as one unit. That is to say, the ferrite snaps and clamps must be incor

Re: [PSES] Ferrite on LAN Cable

2013-10-04 Thread John Woodgate
In message , dated Fri, 4 Oct 2013, "Myers, Gary" writes: If an ITE product requires a ferrite on an external LAN cable in order to comply with FCC Part 15 and EU EMC Directive requirements, is it legally required that the manufacturer include the LAN cable fitted with the ferrite with the

[PSES] Ferrite on LAN Cable

2013-10-04 Thread Myers, Gary
EMC Experts, If an ITE product requires a ferrite on an external LAN cable in order to comply with FCC Part 15 and EU EMC Directive requirements, is it legally required that the manufacturer include the LAN cable fitted with the ferrite with the ITE product, or can the manufacturer simply provid