A curious point:
I noticed that the correspondence on this topic has all avoided using a name
for the # key. That's a good thing too, because it has different names in
various countries.
In the US, we tend to hear it called pound sign. That is clearly
ridiculous to the British, who bloody well
In the US, some networks use it in place of the * in their features. For
example, some use a #69 instead of *69. Many PBXs use the # in their codes,
such as #8 (T) for transfer, then the extension.
Hope this helps,
Sam
This message is from the IEEE EMC Society Product Safety
Technical
In message 12c.26201efa.2bab8...@aol.com j...@aol.com writes:
Sorry if this is a little off-topic, but is anyone aware of any central
office features, or other network features, that use the # button on the
standard telephone DTMF keypad? I know of some features that use the *
button,
Hello All:
Sorry if this is a little off-topic, but is anyone aware of any central
office features, or other network features, that use the # button on the
standard telephone DTMF keypad? I know of some features that use the *
button, but I am unaware of any that use #.
I have been asked
I read in !emc-pstc that richwo...@tycoint.com wrote (in 846BF526A205F8
4BA2B6045BBF7E9A6A04675DDB@flbocexu05) about 'Noxious and Hazardous
Substances in Packaging' on Thu, 20 Mar 2003:
So, until the standard is revised, what means are available
to determine if an additive is noxious or
Thanks to everyone for the numbers. To clarify, the device is a DC/DC
converter. We will be applying the surge to the DC input and to the DC output.
I have ordered EN 61000-4-5 to get the details.
Dave
From: John Barnes [mailto:jrbar...@iglou.com]
Sent: Thursday, March 20, 2003 9:45 AM
To:
Dave,
Section 6.1 of EN 61000-4-5:1995 says the generator has an effective
output impedance of 2 ohms.
John Barnes KS4GL, PE, NCE, ESDC Eng., SM IEEE
dBi Corporation
http://www.dbicorporation.com/
This message is from the IEEE EMC Society Product
The surge generator specification is 2 ohms source impedance for testing in
normal mode (line to line) and 12 ohms for testing in common mode (surges
line to ground).
Mike Hopkins
Thermo Electron
KeyTek
From: drcuthbert [mailto:drcuthb...@micron.com]
Sent: Wednesday, March 19, 2003 3:36 PM
General site for the City of Los Angeles Department
of Building and Safety
http://www.ladbs.org/
Specifically what's recognized in LA ...
http://www.ladbs.org/ETL_LSTLAB.pdf
Opinion: I don't know anything about your specific situation,
but my general advice is that if I were to get NRTL
Kurt,
Try contacting this gentlemen. I think he can help you
Nabil Bill Bekdash
+1 978 635-8650/1/2/3 (Phone)
+1 978 635-1620 (Fax)
Email address: nbekd...@etlsemko.com
RLC-Americas Department E-mail address: r...@etlsemko.com
Kuwait PAI ICCP web site address: www.pai-iccp.com
SASO ICCP
From 2 to 42 (40 + 2).
John Radomski
Schneider Electric
Several. From 2 to 40 ohms,
Regards,
Ari Honkala
-Original Message-
From: ext drcuthbert [mailto:drcuthb...@micron.com]
Sent: Wednesday, March 19, 2003 10:36 PM
To: emc-p...@majordomo.ieee.org
Subject: surge Z?
Anyone
I read in !emc-pstc that Barker, Neil neil.bar...@e2vtechnologies.com
wrote (in 4f826f960057d4118ec3009027e2453808a52...@whl17.e2v.uk) about
'BNC connectors with integrated caps to ground' on Thu, 20 Mar 2003:
The caps are in the panel mount connector.
These are isolated BNC connectors, where
We experienced this problem with a small computer fan about 30 year ago. The
fan bearing would fail after a few years, the fan would stall and impedance
protection allowed the fan to sit and cook for months. Eventually the
insulation failed and allowed an arc. The plastic at this point had lost
Ed, the ignition systems on race cars are formidable EMI sources. Furthermore
racers tend to disdain of EMI suppression. I have heard many of a mechanic say
with reference to stock cars, the first thing they do is to soap one up is
Rip
out all that suppresser crap (meaning EMI suppression).
In a message dated 3/18/03 9:36:18 AM Eastern Standard Time,
richwo...@tycoint.com writes:
If a plastic containing a fire retardant is subjected to high heat (for
example, due to a overheated component) for an extended period of time (many
hours or several days), is it possible that the fire
We have a used HP 34970A Data Acquisition/Switch Unit available for sale. Unit
has HPIB/RS-232 interface and external trigger alarm capability. Can be run
with Benchlink software.
http://we.home.agilent.com/cgi-bin/bv
ub/agilent/editorial/cp_MiscEditorial.j
In Europe, EN55022 and EN55024 applies for ITE.
So, what about Russia:
1. What are the equivalent GOST standards for ITE?
2. Are GOST only concerned about conducted and radiated emission, or do they
also include immunity requirements ?
Thanks a lot.
Amund
This message is from the IEEE EMC
Andre -
My understanding of the term dark fiber is identical to
Marko's. In the reading I've done, I've never seen it used
to refer to anything other than unused channels or fibers.
If you have other information, I would appreciate your
sharing the source.
Regards,
Peter L. Tarver, PE
All,
There will be a Northeast Product Safety Society meeting on Wednesday,
March 26th, at EMC Corporation's Customer Briefing Center at 42 South
Street in Hopkinton, MA. A social hour with light refreshments will
begin at 7:00 PM and the technical meeting will start at 7:30 PM. There
will be
I am looking into what possible option are available to meeting NRTL approvals
requirements for electronic equipment install within the state of California
(San Bernardino specifically).
If a product has not been NRTL certified for the US market are there local
special inspection services
Chet,
The caps are in the panel mount connector.
These are isolated BNC connectors, where the body is plastic.
The caps are embodied within the plastic body and are chip
capacitors that lie between the outer 'tube' of the BNC and
a spring clip that stakes into the ground on your PCB and
also
Anyone know the source impedance used for EN 61000-4-5 Surge testing?
Dave Cuthbert
Micron Technology
This message is from the IEEE EMC Society Product Safety
Technical Committee emc-pstc discussion list.
Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/
To cancel your
Aaron,
I believe you use the standard receiver RBW and use the peak hold mode.
Depending on how the spread spectrum operates (I.E. wideband noise, or
frequency hopping, etc.) the receiver and the transmitter will eventually line
up.
Dave Cuthbert
From: Price, Ed [mailto:ed.pr...@cubic.com]
Richard,
A book that may help you is
Fire Retardancy of Polymeric Materials,
by Arthur F. Grand and Charles A. Wilkie (New York: Marcel Dekker,
2000).
Chapter titles are:
1. The Changing Nature of Fire Retardancy in Polymers.
2. Chemical Aspects of Thermal Decomposition.
3. Fire Test
-Original Message-
From: Peter Conboy [mailto:peter.con...@piresearch.co.uk]
Sent: Monday, March 17, 2003 1:50 AM
To: 'emc-p...@majordomo.ieee.org'
Subject: Racing Car EMC
Anyone out there got an opinion on what standards should be
applied for the
electronics fitted to racing cars -
Hello colleagues,
I was wondering if anyone has any information on importing a Bluetooth
portable product into Egypt and Saudi Arabia.
Bluetooth is low-powered (less than +4 dBm)wireless technology. The device
operates in the 2.4 GHz ISM band and uses FHSS technology. The product would
already
IEEE Meeting March 18 2003.
Topic:
Basic Regulations and the Practice of Conformity Assessment in Russia, with
some specific examples.
Member states of the former Soviet Union represent a significant and rapidly
growing emerging market for information technology equipment, household
Agreed. Spanking the net nanny is not an option
for many corporate readers. Picking a web host
that we know is commonly blocked will shoot the
mail list in the foot, or maybe the head.
regards,
Richard Schumacher
Hewlett Packard
This message is from the IEEE EMC Society Product Safety
Anyone out there got an opinion on what standards should be applied for the
electronics fitted to racing cars - F1, CART, IRL etc.?
Because of the environment, the need for absolute reliability, and the
safety critical application (e.g. throttle, clutch, steering, chassis
control) we take
Chet,
http://dkc3.digikey.com/PDF/T031/M1.html gets you to a DigiKey page. Look
under Amp/Tyco for Connectors, BNC, Decoupled 0209 for several examples of
these panel mounted connectors. Other manufacturers have competing models.
Jim
Jim Knighten, Ph.D.
Teradata, a Division of NCR
Hi there,
Could somebody bring some light (!) on the so called “Dark Fiber” offering.
Here is one definition I found :
Dark fiber is optical fiber infrastructure (cabling and repeaters) that is
currently in place but is not being used. Optical fiber conveys information in
the form of light
-Original Message-
From: Low, Aaron S [mailto:aaron.s@lmco.com]
Sent: Wednesday, March 19, 2003 11:49 AM
To: emc-p...@majordomo.ieee.org
Subject: RE: antenna port conducted emissions
I'd like to thank all those who replied so far.
According to MIL-STD-462D:
4.9.2 Operating
Several. From 2 to 40 ohms,
Regards,
Ari Honkala
-Original Message-
From: ext drcuthbert [mailto:drcuthb...@micron.com]
Sent: Wednesday, March 19, 2003 10:36 PM
To: emc-p...@majordomo.ieee.org
Subject: surge Z?
Anyone know the source impedance used for EN 61000-4-5 Surge
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