Chapter 3, Board layout – Lanner LEC-6020 User Manual
Page 19
19
Board Layout
Chapter 3
Embedded and Industrial Computing
Connectors on LEK-6020COM4
DC-in Connector (CN1)
USB Port (USB2, USB3)
RS-232/422/485 Serial Port (COM2~COM5, COM1)
P I N
NO.
1
2
3
4
5
6
7
8
9
10
RS-232
COM3_
RXD
COM3_
TXD
COM3_
GND
COM5_
RXD
COM5_
TXD
COM5_
GND
RS-422 COM3_
TX+
COM3_
TX-
COM3_
RX-
COM3_
RX+
COM3_
GND
COM5_
TX+
COM5_
TX-
COM5_
RX-
COM5_
RX+
COM5_
GND
RS-485 COM3_
DATA+
COM3_
DATA-
COM3_
GND
COM5_
DATA+
COM5_
DATA-
COM5_
GND
P I N
NO.
11
12
13
14
15
16
17
18
19
20
RS-232
COM2_
RXD
COM2_
TXD
COM2_
GND
COM4_
RXD
COM4_
TXD
COM4_
GND
RS-422 COM2_
TX+
Com2_
TX-
COM2_
RX-
COM2_
RX+
COM2_
GND
COM4_
TX+
COM4_
TX-
COM4_
RX-
COM4_
RX+
GND
RS-485 COM2_
DATA+
COM2_
DATA-
COM2_
GND
COM4_
DATA+
COM4_
DATA-
COM4_
GND
Note: The default protocol is in RS-485. To select
among RS-232, 422 and 485, use the BIOS menu
1 2 3 4 5 6 7 8 9 10
COM2 COM4
11 12 13 14 15 16 17 18 19 20
COM3 COM5
Board to Board Power Connector (P12V1)
LEK-6020COM4
P i n
No.
Pin Name
1
GND
2
10.8V~36V
1 2
Pin No.
Pin Name
1
VCCUSB23
2
USB3N_REAR_L
3
USB3P_REAR_L
4
GND
4
3
2
1
9
1
10
2
Pin No.
Pin Name
Pin No.
Pin Name
1
NC
2
P9V
3
GND
4
P9V
5
GND
6
P9V
7
GND
8
P9V
9
GND
10
P9V