Jumper Settings - Lanner LEC-2270 User Manual

Chapter 3

Jumper Settings

LEK-IOA2 Board
Microphone-in Audio Jack (CN1)
Pin No.
1
2
3
4 INsULATOR
5
Line-out Audio Jack (CN2)
Pin No.
1
2 LINOUT-L
3
4 INsULATOR
5 LINOUT- R
COM1 RS-232 Serial Port(COM1): It is a RS-232/422/485
port through the D-SUB9 connector.
1 2 3 4 5
6 7 8 9
Pin No.
Rs-232
1 dCd
2 RXd
3 TXd
4 dTR
5 GNd
6 dsR
7 RTs
8 CTs
9 RI
RS-232/422/485 Serial Port(COM2): It is a RS-232/422/485
port through the D-SUB9 connector.
Pin No.
Rs-232
1 dCd
2 RXd
3 TXd
4 dTR
5 GNd
6 dsR
7 RTs
8 CTs
9 RI
Embedded and Industrial Computing
Function
CO_GNd
MIC_INL
CO_GNd
MIC_INR
Function
CO_GNd
CO_GNd
Pin Name
Rs-422 Rs-485
Pin Name
Rs-422 Rs-485
SCT1, SCT2: Select COM1 Protocol Setting
SCT1
9
12
5
8
1
4
RS-232
9
12
5
8
1
4
RS-422
9
12
5
8
1
4
RS-485
9
12
5
8
1
4
Switch SCT1
Protocol
RS-232 (default) 1-5, 2-6, 3-7, 4-8
RS-422 5-9, 6-10, 7-11, 8-12
RS-485 5-9, 6-10, 7-11, 8-12
SCT3, SCT4: Select COM2 Protocol Setting
SCT3
9
1
10
2
11
3
12
4
Switch SCT3
Protocol
RS-232 (default) 1-5, 2-6, 3-7, 4-8
RS-422 5-9, 6-10, 7-11, 8-12
RS-485 5-9, 6-10, 7-11, 8-12
Board Layout
SCT2
1
2
3
4
5
6
1 2
3 4
5 6
1 2
3 4
5 6
1 2
3 4
5 6
SCT2
1-2
3-4
5-6
SCT4
1
2
3
4
5
6
SCT4
1-2
3-4
5-6
16