Lanner LEC-2260 Instrukcja Użytkownika Pobierz pdf (Strona 13)

Board Layout

Chapter 3

Embedded and Industrial Computing

J10, SC2T1: Select COM1 Protocol Setting

RS-232

RS-422

RS-485

Switch

Protocol

J10 SC2T1

RS-232 (default) 1-2, 1-5, 2-6, 3-7, 4-8

RS-422 3-4, 5-6 5-9, 6-10, 7-11, 8-12

RS-485 3-4, 7-8 5-9, 6-10

J14, SC2T2: Select COM2 Protocol Setting

RS-232

Jumper Settings

COM1 RS-232/422/485 Serial Port (CN3): It is a RS-

232/422/485 port through the D-SUB9 connector.

COM2 RS-232/422/485 Serial Port(CN4): It is a RS-

232/422/485 port through the D-SUB9 connector.

J10

6789

12345

Pin No. Pin Name

RS-232 RS-422 RS-485

1 Data Carrier Detect

(DCDA # )

TXD- DATA-

2 Receive Data

(RXDA )

TXD+ DATA+

3 Transmit Data

(TXDA )

RXD+

4 Data Terminal Ready

(DTRA # )

RXD-

5 Ground

(GND )

6 Data Set Ready

(DSRA # )

7 Request To Send

(RTSA # )

8 Clear To Send

(CTSA # )

9 Ring Indicator

(RIA # )