2
Reversion 1 (for V1.2 and V1.3)
Reversion 2 (for V1.3 only)
1~4) Downstream USB ports
5~8) White LEDs as activity indicators
9) Two pogo pins at back for data connection
10) Alternative DC 5V power in
11) Two pogo pins at back for power connection
12) Blue LED as power indicator
13) Upstream mini USB port
