ICP DAS USA I-7565 User Manual page 12

The I-7565 provides CAN and USB slave communication interfaces.
On the USB interface, the I-7565 provides the virtual COM driver. Users
can use the I-7565 instead of the I-7530 if the device only have USB host
interface. The I-7565 is powered by the USB interface, it doesn't need
external power. The isolator of the I-7565 is on the CAN side.
Figure: The block diagram of the I-7565
I-7530, I-7530-FT, I-7530A, I-7565 User's Manual (Version 1.3, Apr/2015) -------- 12