Connect-Tek USB-16 Manual do Utilizador descarregar pdf (Página 17)

Host High Speed Electrical Test Procedure Revision 1.4

20. Record the test result in EL_2, EL_3, EL_6, and EL_7.

21. Remove the TDSUSB test fixture from the port.

22. Repeat steps 9 through 19 for all remaining ports.

23. Save all files created during the tests. Remove the Host Signal Quality test fixture from the port

under test.

4.5 Host Controller Packet Parameters (EL_21, EL_22, EL_23, EL_25,

EL_55)

1. Connect the TDSUSBF Device Signal Quality test segment’s short dongle (DUT Port) to the

B receptacle of a known good high-speed device. Apply power to the known good device.

Using a 1M USB cable, connect the INIT side of the fixture to the Port Under Test.

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Connect-Tek USB-16 Manual do Utilizador Página 17