9
Remarks:
this USB hub has only one transaction translator
(TT) for all downstream USB ports. Please try not to connect
any USB 1.1 device to the USB hub; otherwise all devices
on the hub will be slowed down to the USB 1.1 speed (12
Mbps). If you only connect USB 2.0 devices to this USB hub,
all of devices on the hub can work with USB 2.0 high speed
(480 Mbps in theory), given they really support USB 2.0
standard.
Connect Power Supply to the XH2.54 connector
You can also connect the DC 5V power supply to the XH2.54 (white) connector on
Ace4U. Please notice the positive pole is on the right.
You can find cable with male XH2.54 connector in our store (e.g.
Remarks:
do not connect two different power supplies to the power micro USB port
and the XH2.54 connector at the same time, otherwise they might fight with each
other and could get damaged!
Connect Power Supply to Raspberry Pi
If you don’t like back-powering your Raspberry Pi, connecting power supply to the
micro USB port on Raspberry Pi will also work. However, this will increase the burden
on pogo pins, since all current for USB devices will go through the pogo pins (from
Raspberry Pi to Ace4U board).
Connect Ace4U to Other Models of Raspberry Pi
If you want to connect Ace4U USB hub to other Raspberry Pi models, you will need a
USB - micro USB cable (not included in the package).
