Ellisys USB Explorer 280 User Manual page 108

For PDT (device type) = 07h, 00h, 0Eh, optional commands include
Mode Sense (10), Read (12), Write (12) Mode Select (6), Mode Select
(10), Mode Sense (6), Prevent/Allow Medium Removal, Read Format
Capacity, Start/Stop Unit, and Synchronize Cache.
For PDT (device type) = 05h, optional commands include Mode Sense
(10), Read (10), Write (10), Mode Select (6), Mode Select (10), Mode
Sense (6), Prevent/Allow Medium Removal, Read Format Capacity, and
Synchronize Cache.
For PDT (device type) = other, optional command is Mode Sense (10).
Test Steps and Expected Results
1. Examiner initializes link to U0.
2. Examiner issues several standard descriptor requests and places the device into the
configured state.
3. Examiner issues an Inquiry, Test Unit Ready, and a Read Capacity command.
4. Examiner issues optional commands.
The device must properly complete or fail each of the optional commands.
Specification Reference
USB Mass Storage Device Compliance Specification TD2.2.
108 of 124 | Mass Storage Class Tests