CN5
(COM2)

Serial ports (CN11, CN5)

The SBC-658 offers two serial ports, one RS-232 (CN11) and one RS-232/422/485 (CN5). These ports allow you to connect them to serial devices (mouse, printers, etc.).

10

2

1

6

9

1

5

9

CN11

(COM1)

COM2 RS-232/422/485 serial ports (CN5)

COM2 RS-232/422/485 serial port (CN5)

PIN

SIGNAL

PIN

SIGNAL

 

 

 

 

COM2 1

DCDB

6

DSRB

(422TXD-/485DATA-)

 

 

 

 

 

 

2

RXDB

7

RTSB

 

(422RXD+)

 

 

 

 

 

 

3

TXDB

8

CTSB

(422TXD+/485DATA+)

 

 

 

 

 

 

4

DTRB

9

RIB

 

(422RXD-)

 

 

 

 

 

 

5

GND

10

N.C.

 

 

 

 

Chapter 2 Installation 31

Page 40
Image 40
IBM SBC-658 manual Serial ports CN11, CN5, COM2 RS-232/422/485 serial ports CN5