Kontron JRexplus-DC - Manual (Page 28)

KTD-S0008-F Page 23 USB Interface
JRexplus-DC User's Guide
10 USB Interface
The USB interface comes with six USB ports which follow the UHCI/EHCI specification and are USB 2.0
compliant. You can expand the amount of USB connections by adding external hubs. Two ports are avail-
able on a standard connector and four more ports on two pin strips.
10.1 Standard Connector
Two USB ports are available through the standard USB connector J20 (8 pins).
Header Pin Signal Name Function
1 VCC 1) Power +5V
2 USB1- USB port 1 (negative)
3 USB1+ USB port 1 (positive)
4 GND Ground
5 VCC 1) Power +5V
6 USB2- USB port 2 (negative)
7 USB2+ USB port 2 (positive)
1
5
8 GND Ground
10.2 Extension Connectors
The other USB ports are available through the standard pin strip connectors J24 and J25 (10 pins).
Header Pin Signal Name Function
1 VCC 1) Power +5V
2 VCC 1) Power +5V
3 USB3/5- USB port 3 or 5 (negative)
4 USB4/6- USB port 4 or 6 (negative)
5 USB3/5+ USB port 3 or 5 (positive)
6 USB4/6+ USB port 4 or 6 (positive)
7 GND Ground
8 GND Ground
9 KEY (N.C.) Key pin
10 GND Ground
Note: 1) To protect the external power lines of peripheral devices make sure that
- the wires have the right diameter to withstand the maximum available current.
- to enclosure of the peripheral device fulfills the fire-protecting conditions of IEC/EN 60950.