David,
Be careful here. While fiber itself is non-conductive, and
the outer jacket is non-conductive, there are fiber cables
that have metal sheaths below the outerjacket - these are
used for mechanical strength.
Should the outer jacket become damaged, and there is cross-over
you could have a
I am trying to find some information on what Amendment A1:2000 amends in
EN55022:1998.
Thanks in advance.
John A. Juhasz
GE Interlogix
Fiber Options Div.
Bohemia, NY
I support contacting the FCC to look into it. Provide supporting documentation.
Otherwise we're all wasting our time and money making striving for compliant
product.
This is my personal opinion, which may not necessarily reflect that of my
employer.
John A. Juhasz
GE Interlogix
Fiber
Brian,
If you're talking about the EMC Directive, the following link should provide
you with guidance.
http://europa.eu.int/comm/enterprise/electr_equipment/emc/guides/chapsev.htm
Here's a more general link that could provide you with information.
Zohar,
You need to comply with US Code For Regulations 21CFR1040
The Center for Devices and Radiological Health, an arm of the US Food
and Drug Administration (FDA) regulates this area.
Here's a link that is useful.
http://www.fda.gov/cdrh/comp/rad_consumer.html
John A. Juhasz
GE Interlogix
While there are VERY good points here, I believe the original
issue was the use of the terminology 'telecommunications' port/cable.
Although a fiber optic port/cable can be used for telecommunications,
I am going to go out on a limb here and assume ( a dangerous
word, indeed) that intent was for
Not having had a product with this variability, I can't offer much from
experience. However,
I would think that not all tests have to be performed at all frequencies.
Conducted and Radiated
emissions and immunity definitely - board layout vs.operating speed vs.wide
frequency range of
these tests.
Dan,
You would want to terminate the line with a test set.
Putting just a discrete termination on the line is
not valid. You should be testing the product with
data transfer in progress. If you don't have one,
rent a data test set.
Your data drivers/receivers/muxers would be exercised
properly
It's safe to say that a primary one is customs.
John A. Juhasz
GE Interlogix
Fiber Options Div.
Bohemia, NY
-Original Message-
From: Russell [mailto:r@totalise.co.uk]
Sent: Friday, December 06, 2002 12:19 PM
To: emc-p...@majordomo.ieee.org
Subject: EMC Safety Surveillance
Listing invoices will be sent to the Multiple
Listee unless otherwise noted.
Sorry for any confusion.
John A. Juhasz
GE Interlogix
Fiber Options Div.
Bohemia, NY
-Original Message-
From: Juhasz, John (IndSys, GE Interlogix)
Sent: Thursday, November 14, 2002 1:12 PM
To: Joshua Wiseman
The Multiple listee pays the cost of the second file.
The original applicant only pays for it's file.
There is no extra cost to bear by the original applicant.
John A. Juhasz
GE Interlogix
Fiber Options Div.
Bohemia, NY
-Original Message-
From: Joshua Wiseman
With respect to 'alarm systems' - EN 50130-4 is the applicable technical
standard.
However, 50130-4 refers to the IEC 1000/EN61000 series specs, 'but with
modifications'.
Let's take for instance the 1000-4-5 Surge spec that Amund referenced.
In EN 50130-4, the following is stated:
The test
For those telecom folks out there, how about the word 'butt' - the British
term for test-set.
The first time I heard it, a colleague from the UK office was helping
me with a telephone interface problem. He asked me, Did you
put 48V across your butt?
I said, Excuse me?
John A. Juhasz
GE
Shielded.
John A. Juhasz
GE Interlogix
Fiber Options Div.
Bohemia, NY
-Original Message-
From: lisa_cef...@mksinst.com [mailto:lisa_cef...@mksinst.com]
Sent: Thursday, October 24, 2002 9:15 AM
To: emc-p...@majordomo.ieee.org
Subject: Definition ?
Hi all,
Could anyone explain the
About 6-7 years ago when I was getting ready to go through NEBS for the first
time, I found it to be confusing and
in some cases daunting.
At that time, Bellcore (now Telcordia) put on a NEBS seminar with a NEBS rep
from each of the
operating companies. That seminar proved to be the key that
Sounds interesting.
Typically, the UL recognition mark is used for components.
From UL's web site:
These are marks consumers rarely see because they are specifically
used on component parts that are part of a larger product or system.
These components may have restrictions on their performance
With specific regard to electronic equipment that falls under 'light
industrial' as defined
for European EMC, is immunity testing (like specs under EN 50082-1) to such
products
required anywhere else than Europe?
From what I can tell I don't believe it's required anywhere else, but I want
to
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