DB-9 Serial Cable Pin Outs

 

 

Computer DB-9

Printer DB-9 (male cable end)

 

 

 

 

 

 

2- Receive Data

2- Transmit Data

 

 

 

 

 

 

3- Transmit Data

3- Receive Data

 

 

 

 

 

 

4- Data Terminal Ready

4- Data Set Ready

 

 

 

 

 

 

5- Ground

5- Ground

 

 

 

 

 

 

6- Data Set Ready

6- Data Terminal Ready

 

 

 

 

 

 

8- Clear to Send

8- Data Terminal Ready

 

DB-25 Serial Cable Pin Outs

 

 

Computer DB-25

Printer DB-9 (male cable end)

 

 

 

 

 

 

3- Receive Data

2- Transmit Data

 

 

 

 

 

 

2- Transmit Data

3- Receive Data

 

 

 

 

 

 

20- Data Terminal Ready

4- Data Set Ready

 

 

 

 

 

 

7- Ground

5- Ground

 

 

 

 

 

 

6- Data Set Ready

6- Data Terminal Ready

 

 

 

 

 

 

5- Clear to Send

8- Data Terminal Ready

 

The pin outs for the computer end are typical pin numbers. The

Note

 

actual pin numbers for your computer may be different. Check the

 

documentation for your computer to verify the proper pin outs.
Pins not shown are not used by the printer.
A-18 Specifications

EN