Compaq 99875320-5 - Manual (Page 31)

Section 4. USB Communications
RESET_DEVICE COMMAND
Command number:
0x02
Description: This command is used to reset the device. This command can be used to
make previously changed properties take affect without having to unplug and
then plug in the device. When the device resets, it automatically does a USB
detach followed by an attach. After the host sends this command to the device
it should close the USB port, wait a few seconds for the operating system to
handle the device detach followed by the attach and then re-open the USB
port before trying to communicate further with the device.
Data structure: No data is sent with this command
Result codes: 0 (success)
Example Request (Hex):
Cmd Num Data Len Data
02 00
Example Response (Hex):
Result Code Data Len Data
00 00
23