Unless things have simplified since I was last involved in European approvals (which is quite a long time) things are worse than that. If your factory has not previously produced approved telecoms products, you probably need to pay for a factory inspection; each new protocol you want to support needs its own approvals testing of the software; the software drivers must be locked down against uncontrolled changes; your own changes require some level of reapproval; etc. The list can get quite long and painful, unless you are producing a series of products and can get into the proper swing of things. If you only want CTR4 the protocol list might not be a problem. On the driver side you can look at the i4l stuff and see what they had to do to get a driver through approvals for dumb BRI ISDN cards - and every tiny change means some level of reapproval.

The US used to be comparable, but these days approval there may not even be necessary. It depends how you read the rules. Approving the hardware certainly makes life easier, though. Getting UL and FCC approval for the hardware seems to be all that is needed. The protocols don't seem to need any approvals.

The figures the original poster quoted seem much cheaper than any real approval I have seen go through. It sounds like he hasn't been through the approvals minefield before. It can be a slow and costly place to navigate for the beginner.

Regards,
Steve


Klaus-Peter Junghanns wrote:


Hi d hintion,

hmmm...getting approvals for europe isnt that easy.
because you get the approval for a combination of hardware
and driver software, so when you change the driver you loose
the approval.

oh yes, sure you can produce the cards and sell them cheaper,
but that doesnt take the development time of the zaptel drivers
into account. opening up a competition against digium based on
their software and GPLed hardware design doesnt sound good to me .....
rather sounds like M$ style to me.

regards
kapejod



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