RE: Electric Strength After Abnormals

1999-12-16 Thread SparacinoG
Peter, I don't know where it's actually spelled out but, I've always checked electric strength immediately following abnormals (blocked vent / rotor). This is when insulation is most likely to degrade or fail. George > -Original Message- > From: pmerguer...@itl.co.il [SMTP:pmerguer.

RE: Products with high power LEDs

1999-12-08 Thread SparacinoG
Rich, EN60825-1 (Laser Safety) would still apply here. George > -Original Message- > From: wo...@sensormatic.com [SMTP:wo...@sensormatic.com] > Sent: Tuesday, December 07, 1999 4:23 PM > To: emc-p...@majordomo.ieee.org > Subject: Products with high power LEDs > > > Assume a bus

current on the phone line ?

1999-11-22 Thread SparacinoG
> Hello All, > > > We manufacture a modem product which has been tested and found to comply with > FCC part 68 (& CS03). > > At a customer site, (a CO in Pittsburg) an installer was setting up our > modems on a phone system and the modem would not communicate on the lines. It > was determin

RE: FDA and LEDs

1999-11-19 Thread SparacinoG
Rich, > -Original Message- > From: wo...@sensormatic.com [SMTP:wo...@sensormatic.com] > Sent: Friday, November 19, 1999 10:25 AM > To: emc-p...@majordomo.ieee.org > Subject: FDA and LEDs > > > Am I correct in understanding that the FDA regulations (21 CFR Part 1040) do > not con

[no subject]

1999-11-19 Thread SparacinoG
Hello All, We manufacture a modem product which has been tested and found to comply with FCC part 68 (& CS03). At a customer site, (a CO in Pittsburg) an installer was setting up our modems on a phone system and the modem would not communicate on the lines. It was determined ( by the site te

RE: Power hazard on modular equipment

1999-11-09 Thread SparacinoG
Hello Duncan, You can screw them in or fuse each segment of the power backplane to limit the power at each segment to insure <240VA.. We used to do both on a 10BaseT Hub. Good Luck, George Sparacino > -Original Message- > From: duncan.ho...@snellwilcox.com [SMTP:duncan.ho...@snellwil

RE: Permanence of marking test.

1999-10-28 Thread SparacinoG
Kyle, I just ordered a 100ml bottle of Hexane from these guys. The Product # is 270504. The cost is $17.45us. Their web site is: WWW.SIAL.COM Ciao ! > -Original Message- > From: Ned Devine [SMTP:ndev...@entela.com] > Sent: Thursday, October 28, 1999 9:20 AM > To: 'EMC and Safety

RE: Electronic unit panel sizes

1999-10-27 Thread SparacinoG
Yes, I believe you've got it ! > -Original Message- > From: Brian Harlowe [SMTP:bharl...@vgscientific.com] > Sent: Wednesday, October 27, 1999 12:30 PM > To: emc-p...@ieee.org > Subject: Electronic unit panel sizes > > > Excuse me from drifting away from the main topics of this f

RE: Removeable Module requirements

1999-10-07 Thread SparacinoG
Paul, If you are asking wheather an enclosure with a keylock would be acceptable means to prevent access, I would think yes. Why not? Anyone could carry a screwdriver or a set of hex wrenches around on a keychain. I would think that a key would be a more controlled means of securing access

Plastics ratings

1999-10-06 Thread SparacinoG
Hello All, I'm looking for a plastic material that can be used as a "window" on a fire enclosure door. This material must be available in sheet form, be able to withstand impact and be rated 94-5VA. I referenced the (1996) UL plastics R/C directory and found nada. I know, I need to buy the

Re: UL1950 Flammibility Requirements

1999-09-23 Thread SparacinoG
> Paul, > > I had a similar situation where we incorporated a decorative plastic trim > around an operator keypad outside our fire enclosure and HB min. was > recommended and accepted by UL. > > > George > > -Original Message- > From: Paul Smith [SMTP:phsm...@excite.co.uk] > Sent: Wed

RE: UL1950 Flammibility Requirements

1999-09-23 Thread SparacinoG
Paul, I had a similar situation where we incorporated a decorative plastic trim around an operator keypad outside our fire enclosure and HB min. was recommended and accepted by UL. George > -Original Message- > From: Paul Smith [SMTP:phsm...@excite.co.uk] > Sent: Wednesday, September

RE: Immunity Requirements for Australia

1999-09-15 Thread SparacinoG
Hello Charlie, I don't believe Australia has any immunity requirements at this time. They do require emissions testing and that these tests are performed by an accredited lab e.g.. A2LA or NVLAP. Any electronic or electrical product manufactured in Australia or imported into Australia for sale m

RE: EMC and Safety Requirements for Mexico

1999-09-14 Thread SparacinoG
Hello Carlos, Check this out. http://www.rcic.com/reg/nomintro.cfm George > -Original Message- > From: Colgan, Chris [SMTP:chris.col...@tagmclarenaudio.com] > Sent: Tuesday, September 14, 1999 5:36 AM > To: 'carlos.perk...@eu.effem.com'; emc-p...@majordomo.ieee.org > Subject: RE

RE:EMC and Safety Requirements for Mexico

1999-09-14 Thread SparacinoG
Hello Carlos, Try contacting UL for up current information on Mexican approvals. Don Vasco in the Melville office has pointed me in the right direction on this issue in the past. His phone is: 516-271-6200 ext 22490 & his email is: vas...@ul.com Good Luck, George > -Original Message-

RE: Locate IEC 417 Markings

1999-09-10 Thread SparacinoG
Hello Paul, Try Hazard Communication Systems, Inc. located in Milford, PA. Contact (Sale Manager) is Charles Pike. Phone#: 800-748-0241 or 717-296-5686. Their website is http://www.hazcomsys.com/ . Have a good weekend. George > -Original Message- > From: fi...@panametrics.com [SMTP:f

RE: CTR

1999-09-09 Thread SparacinoG
John, Try BABT or TUV. First, if you haven't already done so, you may want to get & review a copy of TBR 21 from ETSI. I believe that they still offer free copies on their website (below). Also, be aware that some countries have contributed additional Voluntary "advisory notes" in the ESTI docu

RE: Immunity Problems ??

1999-09-08 Thread SparacinoG
Hello Joe, Without knowing anything about your instruments, their operation or environment I'll throw-out some general things that I would investigate first: Inside your lab / building: * ESD control in your Lab - Check Mats - Straps etc. * Any cell or 2-way communication (maintenance per

Rockwell Modem, need info.?

1999-07-30 Thread SparacinoG
Good Day Everyone, I'm having a heck of a time getting compliance information from Rockwell regarding one of their Socket Modems (SMV144AC series). We incorporratte this modem onto our motherboard. Simply, I need to know if the Rockwell modem that we use in our product has been recognized to eith

RE: double the pleasure..RE: double the pleasure

1999-07-21 Thread SparacinoG
No you're not ! No you're not ! I get them too, but not all the time.. George > -Original Message- > From: Knighten, Jim L [SMTP:jk100...@exchange.sandiegoca.ncr.com] > Sent: Wednesday, July 21, 1999 1:15 PM > To: emc-pstc list server (E-mail) > Subject: double the pleasure > >

Video protocols..

1999-07-09 Thread SparacinoG
Good Morning, I am dealing with two video formats for video cameras and monitors, Pal & NTSC. Pal is primarily used throughout Europe and NTSC is used in USA, Canada, Mexico and Japan. Does anyone know of any other countries that may use NTSC ? Thanks, George - This message is coming

Inherently Limited power source..

1999-07-09 Thread SparacinoG
Hello all, The standard that I'm working with states under Power Limited Circuits that: an "Inherently Limited" power source does not require overcurrent protection, while a "Not Inherently Limited" power source does require it. Could someone give me an explanation of what makes a power source

Hipot requirements for TNV circuits - Thank You.

1999-07-02 Thread SparacinoG
THANKS to all who offered their knowledge to help me with this issue. Have a Fun & Safe 4th of July weekend.. Sincerely, George Sparacino I have a modem product that failed the hipot requirement defined in > > cls 6 of 950. My understanding is that an isolation xfmr between Telco > & >

Hipot requirements for TNV circuits

1999-07-01 Thread SparacinoG
Hello Once Again .. Everyone, I have a modem product that failed the hipot requirement defined in cls 6 of 950. My understanding is that an isolation xfmr between Telco & SELV is needed and clearance from Telco & gnd is to be 3mm minimum. Does anyone have any other general design guideli