Kontron KTH81-mITX - Manual (Page 37)

KTD-N0882-H Page 37 IO-Area Connectors
KTQ87/KTH81 Users Guide
USB Connector 2/3 (USB2/3)
USB Ports 2 and 3 are mounted together with LAN1 port and supports USB3.0/USB2.0.
Note Type Signal PIN Signal Type Note
IO USB3- USB3+ IO
1 PWR 5V/SB5V 1 2 3 4 GND PWR
IO RX3- 5 6 7 8 9 TX3+ IO
IO RX3+ TX3- IO
PWR GND
IO USB2- USB2+ IO
1 PWR 5V/SB5V 1 2 3 4 GND PWR
IO RX2- 5 6 7 8 9 TX2+ IO
IO RX2+ TX2- IO
PWR GND
Note 1: In order to meet the requirements of USB standard, the 5V input supply must be at least 5.00V.
Signal Description
USBn+ USBn-
RXn+ RXn-
TXn+ TXn-
(n= 2,3)
Differential pair works as serial differential receive/transmit data lines.
5V/SB5V
5V supply for external devices. SB5V is supplied during power-down to allow wakeup
on USB device activity. Protected by resettable 2A fuse covering both USB ports.