
Figure 2. Auxiliary Pinout (Pin side)
Pin Number
Function
Direction
Notes
1
VBUS
OUT
Passthrough USB from host device
2
USB D-
BIDIR
This USB connection is a downstream port
of a hub, connected to the host computer connected
Via the Primary ODU USD interface.
3
USB D+
BIDIR
This USB connection is a downstream port
of a hub, connected to the host computer connected
Via the Primary ODU USD interface.
4
GND
PWR
5
VBUS_2
OUT
Doodle Smart Radio USB VBus
6
USB_2 D-
BIDIR
This USB connection goes directly to
The Doodle radio.
7
USB_2 D+
BIDIR
This USB connection goes directly to
The Doodle radio.