Honeywell DCP552 Mark II User Manual

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• Connect the slave station to the master station in a single-drop (point-to-

point) configuration.

• There are three (SD, RD and FG) communications terminals on the RS-

232C interface on the master station which may not output data if not
short-circuited as shown above.

RS-232C connector signals (9 pins)
Example : IBM and compatibles

SD

61

63 64

RD

SG

1

2

3

4

5

6

7

8

DCD

RxD

TxD

DTR

GND

DSR

RTS

CTS

Host computer (master station)

Example of connection using

Pin No.

1

2

DCD

RxD

Name

3

TxD

4

DTR

5

GND

6

DSR

7

RTS

8

CTS

Signal direction

Host    Instrument

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