User`s manual

ENDAT-D2550 USERS MANUAL
UNICORN COMPUTER CORP.
12
JP10: LCD Backlight Voltage (for +5V) (1x2 with 2.0mm)
Voltage
JP10 (LVDS1) +5V
JUSBP7: USB Port Select (2x3 with 2.0mm)
J11 USB 7 Header Mini PCIE Slot*
JUSB7 1-3,2-4 3-5,4-6
Notice: JUSBP7 sets USN PORT7 as PCIe slot or USB Header.
Part 2: Onboard Connectors and Headers
D-SUB Type Connector for COM1,2,3 port (RS-232)
Pin No. Function Pin No. Function
1 DCD 6 DSR
2 RXD 7 RTS
3 TXD 8 CTS
4 DTR 9 RI
5 GND
D-SUB Type Connector for COM2 port (RS-485 2 Wire)
Pin No. Function Pin No. Function
1 Data – 6 NA
2 Data + 7 NA
3 NA 8 NA
4 NA 9 NA
5 NA
D-SUB Type Connector for COM2 port (RS-422 4 Wire)
Pin No. Function Pin No. Function
1 –TXD 6 NA
2 +RXD 7 NA
3 +TXD 8 NA
4 –RXD 9 NA
5 NA