Connect Tech Xtreme/104-Express User Manual

Table 2: DB-9 Male Pinouts

Pin #

 

RS-232

 

RS-422/485

DB-9

Signal

Direction

Signal

Direction

1

DCD

Input

RxD+

Xtreme/104-Express

AdapterInput

2

RxD

Input

RxD-

Input

3

TxD

Output

TxD+

Output

4

DTR

Output

TxD-

Output

5

SG

Signal Ground

SR

Signal Reference

6

DSR

Input

CTS-

Input

7

RTS

Output

RTS+

Output

8

CTS

Input

CTS+

Input

9

RI

Input

RTS-

Output

 

 

1

DB-9 Male

 

 

 

5

 

 

 

6

9

 

Figure 4: RS-422/485 Wiring Diagram

Xtreme/104-Express

Adapter

1

RxD +

 

3

TxD +

 

4

TxD -

 

2

RxD -

 

7

RTS +

 

8

CTS +

 

9

RTS -

 

6

CTS -

 

5

SR

 

RS-485/422

Peripheral

TxD +

RxD +

RxD -

TxD -

RTS +

CTS +

RTS -

CTS -

SR

RS-422/485

4 Wire Diagram

RS-422/485

Peripheral

3

TxD +

RxD +

 

 

4

TxD -

RxD -

 

 

1

RxD +

TxD +

 

 

2

RxD -

TxD -

 

 

7

RTS +

RTS +

 

 

8

CTS +

CTS +

 

 

9

RTS -

RTS -

 

 

6

CTS -

CTS -

 

 

5

SR

SR

 

 

Revision 0.00

13

Page 13
Image 13
Connect Tech 104 user manual DB-9 Male Pinouts, RS-422/485 Wiring Diagram