Hi Gary,
The FDA makes it clear that they DO NOT assess conformity of laser products;
the letter of accession is merely an acknowledgement that a product report
or supplemental report has been received and filed. I'm not sure what you're
hoping for, but perhaps you should ask the vendor for the actual report, and
judge conformity for yourself based on said report. If you're looking for an
NRTL listing of a finished product incorporating a laser module, and the
NRTL is trying to bill you for doing a CDRH product report, well, they
should not, since it is not a requirement for them to do so - ask which
clause in the standard requires it. UL60950 clause 0.2 mentions lasers as a
potential safety hazard, but the standard gives no detailed requirements. So
really, what they're saying is correct - a letter of accession means nothing
to a safety assessment.

The NRTL we've used generally requires a letter from us stating that a laser
product report has been filed with CDRH. They also include the laser
classification/warning label in the listing report.  

Also be aware that if you are incorporating a laser module into a finished
product, it is your responsibility to submit product reports and annual
reports to the CDRH, and you also have responsibilities for quality
assurance, output power measurement in production, and record keeping. The
module manufacturer actually has NONE of these responsibilities - CDRH
requirements apply to finished products.

Perhaps you have been the only unaccepting curmudgeon in the universe ;-) !
Others that incorporate the module into their products may routinely
generate their CDRH product reports for the finished product, and the module
vendor never hears that a letter of accession for the module is not
sufficient to base assumption of conformity of the finished product on.

Doug Massey
Lead Regulatory Engineer
LXE, Inc.


-----Original Message-----
From: Gary McInturff [mailto:gary.mcintu...@worldwidepackets.com]
Sent: Tuesday, May 14, 2002 6:26 PM
To: EMC-PSTC (E-mail)
Subject: 2 questions. 1) HP software for 7400A analyzers, 2) FDA letters
of Accession



        1) I believe someone out there commented on using the HP 74XX series
analyzer for pre-compliance measurements. Do you also use the additional
software that can be purchased? 
        The unit I played with had no additional software, but I could make
measurements against limits lines etc, and it factored in the transceiver
gains/losses and then allowed me to export a summary sheet for any reports I
wanted to generate. What functions and value does the additional software
bring to the table.?

        2) Does anybody out there get any traction from a "Letters of
accession" that the FDA sends to a optics vendor after receiving a request
for a model addition?
        This letter says nothing useful for NRTL's and always includes "This
acknowledgement does not constitute approval or the document".
        The FEDS are disavowing any level of conformity assessment, and the
NRTL's I use tell me they can't use it, even for an unrecognized componet,
yet the vendors are insistent that I am the only unaccepting curmudgeon in
the entire universe. 

        Sorry if you've heard this before but I just can't believe it keeps
happening, and that tells me that I should double check my facts.

        Thanks
        Gary

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