DFI G5C100-NR - Manual (Page 31)

31
2
Hardware Installation
COM 4 RS232/RS485/AUX Select
X
JP11
JP11 is used to set COM 4 to RS-232 or RS-485. If the serial
device connected to this port requires 5V/12V power from the sys-
tem board, set JP11 pins 1-3, 2-4, 9-11 and 10-12 to On.
JP11
1-3, 2-4, 7-9, 8-10 On
3-5, 4-6, 7-9, 8-10 On
1-3, 2-4, 9-11 (12V),
10-12 (5V) On
COM 4 RS232/RS485/AUX Select
RS232 (default)
RS485
Auxiliary power
The table below list the pin assignment of JP11.
1
3
5
7
9
11
N. C.
EN232-
GND
MDCD4-
X_MDCD4-
+12V
2
4
6
8
10
12
N. C.
SIN4
RS485
MRI4-
X_MRI4-
Vcc