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____________________Reply Separator____________________
Subject:    Compliance of a USB telephone 
Author: Ilan Cohen <[email protected]>
List-Post: [email protected]
Date:       11/2/00 12:48 PM


Dear Group

We are testing an PC telephone unit! 

It is a telephone terminal unit that connects to the USB port of the PC from
which it receives power. There is no other connection, just the USB.

Clearly this unit must comply with EMC requirements. Safety requirements are
not mandatory but clearly they are recommended to be performed for UL1950
for the US and EN60950 for Europe. 

Two questions:

1) What about Part 68 in the US? Since unit is not directly connected to the
PSTN officially it is exempt from the standard. (Acoustics tests are covered
under UL1950)

2) What about RTTE directive in Europe? There is no standard you can test
for. All of TBR 21 tests are not applicable.

Thanks
Ilan

----------------------------------------------------
Ilan Cohen
Manager, Telecom Division
I.T.L (PRODUCT TESTING) Ltd.
26 Hacharoshet St, POB 211, Or Yehuda, Israel.
Tel 972-3-5339022, Fax 972-3-5339019
[email protected], website: http://www.itl.co.il 
---------------------------------------------------- 

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