DFI CD101-N - Manual (Page 13)

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13
Chapter 2 Hardware Installation
Chapter 2
JP3 and JP5 are used to select the power of the USB ports. Selecting +5V_standby will allow
you to use a USB device to wake up the system.
USB Power Select
USB 0-3
(JP3)
1 3 2 1 3 2
USB 4-5
(JP5) 2-3 On:
+5V_standby
1-2 On: +5V
(default)
2-3 On:
+5V_standby
1-2 On: +5V
(default)
Important:
If you are using the Wake-On-USB Keyboard/Mouse function for 2 USB ports, the
+5V_standby power source of your power supply must support ≥1.5A. For 3 or more
USB ports, the +5V_standby power source of your power supply must support ≥2A.
COM 1 RS232/RS422/RS485 Select
JP2 (for COM1) is used to configure the COM port to RS232, RS422 (Full Duplex) or RS485.
The pin function of the COM 1 port will vary according to the jumper’s setting.
JP2
5-6 On: RS485
6
4
2 5
3
1
JP2
RS232 RS422
Full Duplex
RS485
COM 1
DCD- TD RD DT
R-
GND
1 2 3 4 5
RT
S-
RI
-
DSR
-
CTS-
6 7 8 9
6
4
2 5
3
1
1-2 On: RS232
(default)
3-4 On: RS422
Full Duplex
6
4
2 5
3
1
RXD+ TXD+ RXD- TXD- N.C.
1 2 3 4 5
6 7 8 9
N.C. N.C. N.C. N.C.
D
ATA
+
D
ATA
-
N.C. N.C. N.C. N.C.
6 7 8 9
1 2 3 4 5
N.C. N.C. N.C.
1 3 2 1 3 2
COM 1