Jumper Settings - Lanner LEC-2260A User Manual

Chapter 3

Jumper Settings

COM1 RS-232/422/485 Serial Port (CN3): It is a RS-
232/422/485 port through the D-SUB9 connector.
1 2 3 4 5
6 7 8 9
Pin No. Pin Name
Rs-232
1 data Carrier detect
(dCdA # )
2 Receive data
(RXdA )
3 Transmit data
(TXdA )
4 data Terminal Ready
(dTRA # )
5 Ground
(GNd )
6 data set Ready
(dsRA # )
7 Request To send
(RTsA # )
8 Clear To send
(CTsA # )
9 Ring Indicator
(RIA # )
COM2 RS-232/422/485 Serial Port(CN4): 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 data Carrier detect
(dCdA # )
2 Receive data
(RXdA )
3 Transmit data
(TXdA )
4 data Terminal Ready
(dTRA # )
5 Ground
(GNd )
6 data set Ready
(dsRA # )
7 Request To send
(RTsA # )
8 Clear To send
(CTsA # )
9 Ring Indicator
(RIA # )
Embedded and Industrial Computing
Rs-422 Rs-485
TXd- dATA-
TXd+ dATA+
RXd+
RXd-
Pin Name
Rs-422 Rs-485
TXd- dATA-
TXd+ dATA+
RXd+
RXd-
J10, SC2T1: Select COM1 Protocol Setting
J10
7
1
8
2
RS-232
RS-422
RS-485
Switch J10
Protocol
RS-232 (default) 1-2,
RS-422 3-4, 5-6
RS-485 3-4, 7-8
J14, SC2T2: Select COM2 Protocol Setting
J14
7 1
8 2
RS-232
Board Layout
SC2T1
4
1
8
5
12
9
SC2T1
1-5, 2-6, 3-7, 4-8
5-9, 6-10, 7-11, 8-12
5-9, 6-10
SC2T2
4
1
8
5
12
9
12