Lanner LEC-2280 - Manual (Page 15)

15
Board Layout
Chapter 3
Embedded and Industrial Computing
SCT1, SCT2: Select COM1 Protocol Setting
RS-232
RS-422
RS-485
Switch
Protocol
SCT1 SCT2
RS-232 (default) 1-5, 2-6, 3-7, 4-8 1-2
RS-422 5-9, 6-10, 7-11, 8-12 3-4
RS-485 5-9, 6-10, 7-11, 8-12 5-6
SCT3, SCT4: Select COM2 Protocol Setting
Switch
Protocol
SCT3 SCT4
RS-232 (default) 1-5, 2-6, 3-7, 4-8 1-2
RS-422 5-9, 6-10, 7-11, 8-12 3-4
RS-485 5-9, 6-10, 7-11, 8-12 5-6
Jumper Settings
Microphone-in Audio Jack (CN1)
Line-out Audio Jack (CN2)
Note: The driver for the VGA and Audio ports
should be installed with the following order:
Chipset INF->Graphic->Audio
COM1 RS-232 Serial Port(COM1): It is a RS-232/422/485
port through the D-SUB9 connector.
RS-232/422/485 Serial Port(COM2): It is a RS-232/422/485
port through the D-SUB9 connector.
6 7 8 9
1 2 3 4 5
Pin No. Function
1 CO_GNd
2 MIC_INL
3 CO_GNd
4 INsULATOR
5 MIC_INR
LEK-IOA2 Board
Pin No. Pin Name
Rs-232 Rs-422 Rs-485
1 dCd TXd- dATA-
2 RXd TXd+ dATA+
3 TXd RXd+
4 dTR RXd-
5 GNd
6 dsR
7 RTs
8 CTs
9 RI
Pin No. Function
1 CO_GNd
2 LINOUT-L
3 CO_GNd
4 INsULATOR
5 LINOUT- R
Pin No. Pin Name
Rs-232 Rs-422 Rs-485
1 dCd TXd- dATA-
2 RXd TXd+ dATA+
3 TXd RXd+
4 dTR RXd-
5 GNd
6 dsR
7 RTs
8 CTs
9 RI
SCT2
1
3
5
2
4
6
SCT1
9
5
1 12
8
4
9
5
1 12
8
4
1
3
5
2
4
6
1
3
5
2
4
6
1
3
5
2
4
6
9
5
1 12
8
4
9
5
1 12
8
4
SCT3
1
2
3
4
9
10
11
12
SCT4
1
3
5
2
4
6