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2.3 Connector Pin
Assignments
Power DC Jack
Pin #
Signal Name
1
+12~24V Power Adapter Input
2
COM1 (RS232/422/485)
Pin #
Signal Name
Pin #
DCD1
1
/422TX-
/RS485-
RXD1
3
/422TX+
/RS485+
5
TXD1/422RX+
7
DTR1/422RX-
9
GND
COM2 (RS232)
Pin #
Signal Name
Pin #
1
DCD2
3
RXD2
5
TXD2
7
DTR2
9
GND
J11: USB2.0 x 2
Pin #
Signal Name
Pin #
1
VCC
3
USB2_D1-
USB2_D1
5
+
7
GND
EB-EHL User's Manual
GND
Signal Name
2
DSR1
4
RTS1
6
CTS1
8
RI1
Signal Name
2
DSR2
4
RTS2
6
CTS2
8
RI2
Signal Name
2
VCC
4
USB2_D2-
USB2_D2
6
+
8
GND
10
NC
IUMEB-EHL-01 Ver.1.0A Aug, 2023
LVDS
Pin #
Signal Name
1
LVDSB_D3-
3
LVDSB_CLK-
5
LVDSB_D2-
7
LVDSB_D1-
9
LVDSB_D0-
11
NC/DDC_DAT
13
GND
15
GND
17
LVDSA_D3+
19
LVDSA_CLK+
21
LVDSA_D2+
23
LVDSA_D1+
25
LVDSA_D0+
27
LCD_VDD
29
LCD_VDD
Inverter
Pin #
Signal Name
1
Backlight_Enable
2
Backlight_PWM
3
Backlight LED VCC
4
Backlight LED VCC
5
6
7
Backlight UP SW
8
Backlight DN SW
BATT
Pin #
Signal Name
1
2
Pin #
Signal Name
2
LVDSB_D3+
4
LVDSB_CLK+
6
LVDSB_D2+
8
LVDSB_D1+
10
LVDSB_D0+
12
NC/DDC_CLK
14
GND
16
GND
18
LVDSA_D3-
20
LVDSA_CLK-
22
LVDSA_D2-
24
LVDSA_D1-
26
LVDSA_D0-
28
LCD_VDD
30
LCD_VDD
GND
GND
VBATT+
GND
12
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