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Chapter 2
29
KEEX-1850 Series User’s Manual
Table 26 CN21 COM2 RS-232/422/485 Port Wafer
Pin
RS-232
RS-422
Half Duplex
RS-485
Full Duplex
RS-485
1
DCD
TX-
DATA-
TX-
2
DSR
N/A
N/A
N/A
3
RXD
TX+
DATA+
TX+
4
RTS
N/A
N/A
N/A
5
TXD
RX+
N/A
RX+
6
CTS
N/A
N/A
N/A
7
DTR
RX-
N/A
RX-
8
RI
N/A
N/A
N/A
9
GND
GND
GND
GND
10
+5V
+5V
+5V
+5V
SMD 10P 1R 180D MALE P=1.25mm, Tin Plated, NY46, White Insulator
[Pinrex 712-73-10TWB0]
Table 27 CN22~CN25 COM3~6 RS-232 Port Wafer
Pin
Signal Name
1
DCD
2
DSR
3
RXD
4
RTS
5
TXD
6
CTS
7
DTR
8
RI
9
GND
10
+5V
SMD 10P 1R 180D MALE P=1.25mm, Tin
Plated, NY46, White Insulator [Pinrex
712-73-10TWB0]
Table 28 CN14 Backlight Power Output Wafer
Pin
Signal Name
1
BL_ADJ_PWM *
2
BL_ADJ_VOL *
3
GND
4
+5V / +12V **
5
+5V / +12V **
6
GND
7
BL_EN***
SMD 7P 90D P-1.25mm WAFER [YIMTEX
501MW1X07MTR-1R]
*
烉
BL_ADJ can be setting in BIOS setup.
**
烉
Backlight Power can be selected by JP4.
***
烉
BL_EN can be selected by JP2.