Data Sheet

USBProtocolSuiteUserManual 449
GeneralOptions TeledyneLeCroyCorporation
Forfielddefinitions,pleaserefertotheUniversalSerialBusSpecification,version2.0.The
USBspecificationisavailablefromtheUSBImplementersForum(USB‐IF)at:
9.3.3 Decoding Class Requests
ExamplesofaclassrequestareMass‐Strg ClassUFICBIRequests,PTP Still Image Class
Requests,VideoClassRequests,andWireAdapterClassRequests.
Todecodeaclassrequest:
1. FromtheUSBDeviceRequestmenu,selectDecode ... Requesttodisplaythe
View Fields for ... Class Requeststextbox(seeFigure 9.18onpage 449).
ThefollowingfigureshowsaViewFieldsforHubClassRequestsdecoding:
Figure 9.18: View Fields for Hub Class Requests Dialog
USBImplementersForum
1730SWSkylineBlvd.
Suite203
Portland,OR97221
Tel:+1/503.296.9892
Fax:+1/503.297.1090
Web:http://www.usb.org/