Teledyne LeCroy HPT - Users Manual - Manual (Page 9)

CATC HPT User’s Manual Version 2.27
Page 7
5.2.2 Get Device Descriptor
The application program then sends a standard device request (“GET_DESCRIPTOR”) message.
The HPT test device returns its 18-byte device descriptor, using multiple IN transactions in the
data stage.
...
5.2.3 Get Configuration Descriptor
The application program next sends a standard device request (“GET_CONFIGURATION”)
message. The HPT test device returns its 39-byte configuration descriptor, using multiple IN
transactions in the data stage.
...