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Test Part Features Procedure Requirement DK Pull in cable with 60N at 45*angle out of the connector. No shock pull Mechanical robustness Connectors Sufficient fastening of connectors Functional test / USB connector No mechanical or electrical damage to female on board connector or significant bending of the male connector on cable. Sequence: Sequence: 1) Initial check 1) Function check ok Mechanical robustness Connectors Connector test 2) Cycles test headset USB connector 2) in/out cycles test 2000 cycles 3) Final check 3) Appearance check and fully fuctional as before the test. Mechanical robustness Cable Tear resistance cable SNP 19 80 N Mechanical robustness Cable Tear resistance strain relief SNP 20 40 N Cycles Cable USB cable bending cycles SNP 21, 5N, R=5mm, total break 1000 cycles Cycles Cable USB strain relief bending cycles SNP 21, 5N, total break, all strain reliefs 1000 cycles