IBM SBC-658 사용자 설명서

        Chapter 2  Installation   31

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.).

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.

 CN11

(COM1)

9

2

1

10

9

5

1

6

 CN5

(COM2)