BUILDING NETWORK ADAPTER BNA-1C/2CS/2DN

Figure 7-2shows how to configure a Null Modem Cable DB9F.

RxD

2

2

RxD

 

 

TxD

3

3

TxD

 

 

DTR

4

6

DSR

 

 

DCD

1

1

DCD

 

 

DSR

6

4

DTR

 

 

GND

5

5

GND

 

 

RTS

7

7

RTS

 

 

CTS

8

8

CTS

 

 

RI

9

9

RI

 

 

Figure 7-2: Signal connections for DB9F Null Modem Cable

EN1B-0198GE51 R0801

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Honeywell Q7055A user manual 2shows how to configure a Null Modem Cable DB9F