USB class 0a: CDC data
CDC Data
| Code | 0a |
|---|---|
| Name | CDC data |
| Subclasses | 1 |
Frequently asked questions
What is a USB device of class 0a (CDC data)?
Class 0a stands for “CDC data”. It has 1 subclasses, for example Unused.
Which Linux drivers handle CDC data?
In Linux kernel 6.12 no driver binds by this class alone; devices are matched by vendor and device ID instead.
How do I find the class of a USB device?
On Linux, lsusb -v shows the bDeviceClass and bInterfaceClass fields. On Windows it appears in the compatible IDs as USB\Class_0A&SubClass_XX.
Subclasses
| Code | Name | Protocols | Class drivers (Linux) |
|---|---|---|---|
0a:00 | Unused | 30 I.430 ISDN BRI31 HDLC32 Transparent50 Q.921M51 Q.92152 Q.921TM90 V.42bis91 Q.932 EuroISDN92 V.120 V.24 rate ISDN93 CAPI 2.0fd Host Based Driverfe CDC PUFff Vendor specific |