Hello Pat - Am I right in assuming that this USB drive is a "dongle"?
If so then I'd say that it is extremely likely that a consumer would add a cable for convenience's sake. I'd test it with a representative cable and then you're covered. Best Regards Charles Grasso Compliance Engineer Echostar Communications (w) 303-706-5467 (c) 303-204-2974 (t) [email protected]<mailto:[email protected]> (e) [email protected]<mailto:[email protected]> (e2) [email protected]<mailto:[email protected]> From: [email protected] [mailto:[email protected]] On Behalf Of Pat Jensen (pjensen) Sent: Monday, January 23, 2012 10:39 AM To: [email protected] Subject: Cable required for USB Drive testing? When testing USB drive for FCC, CE, VCCI or C-tick are you required to use a cable connection even if you do not sell it with a cable? Here's an excerpt from section 8.2 of CISPR22 Edition 5. How do you interpret this requirement for a cable during testing? "8.2 General arrangement Where not specified herein, the EUT shall be configured, installed, arranged and operated in a manner consistent with typical applications. Where the manufacturer has specified or recommended an installation practice, this shall be used in the test arrangement, where possible. This arrangement shall be typical of normal installation practice. Interface cables/loads/devices shall be connected to at least one of each type of interface port of the EUT, and where practical, each cable shall be terminated in a device typical of actual usage. Where there are multiple interface ports of the same type, additional interconnecting cables/ loads/devices may have to be added to the EUT depending upon the results of preliminary tests. The number of additional cables should be limited to the condition where the addition of another cable does not decrease the margin a significant amount (for example 2 dB) with respect to the limit. The rationale for the selection of the configuration and loading of ports shall be included in the test report. Interconnecting cables should be of the type and length specified in the individual equipment requirements. If the length can be varied, the length shall be selected to produce maximum disturbance. If shielded or special cables are used during the tests to achieve compliance, then a note shall be included in the instruction manual advising of the need to use such cables. Excess lengths of cables shall be bundled at the approximate centre of the cable with the bundles 30 cm to 40 cm in length. If it is impractical to do so because of cable bulk or stiffness, or because the testing is being done at a user installation, the disposition of the excess cable shall be precisely noted in the test report. Where there are multiple interface ports all of the same type, connecting a cable to just one of that type of port is sufficient, provided it can be shown that the additional cables would not significantly affect the results." Excerpt from CISPR 24 1997 which refers to CISPR22: Pat Jensen Lexar Media, Inc. (510) 580-3670 - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <[email protected]<mailto:[email protected]>> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://listserv.ieee.org/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <[email protected]<mailto:[email protected]>> Mike Cantwell <[email protected]<mailto:[email protected]>> For policy questions, send mail to: Jim Bacher <[email protected]<mailto:[email protected]>> David Heald <[email protected]<mailto:[email protected]>> - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <[email protected]> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://listserv.ieee.org/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <[email protected]> Mike Cantwell <[email protected]> For policy questions, send mail to: Jim Bacher: <[email protected]> David Heald: <[email protected]>
