Serial Number Test - Ellisys USB Explorer 280 User Manual

The test fails if any of the requirements listed below are not met:
 Configuration descriptor must contain at least 9 bytes
 bInterfaceSubClass must be in the range 0x01 - 0x06
 bNumEndpoints >= 2
 bInterfaceProtocol must be 0x50 (BOT) or 0x00 or 0x01 (CBI) or 0x62 (UAS)
 Interface must have at least one BULK IN endpoint descriptor
 At least one mass storage interface descriptor must exist
Specification Reference
USB Mass Storage Device Compliance Specification TD1.1.

8.2 Serial Number Test

Test Summary
This test verifies several attributes of the interface, configuration, and string descriptors.
Test Steps and Expected Results
1. Examiner initializes the link to U0.
2. Examiner issues several standard descriptor requests, including a configuration descriptor
request after the device is configured and requests for string descriptors.
Mass Storage Class Tests | 89 of 124