Appendix C—Interfaces

RS-232 Interface

Protocol

Default setup:

 

Baud rate:

9600

Char. length

8 bits

Parity:

None

Stop bits:

1

RTS/CTS

Disabled

ENQ/ACK:

Disabled

XON/XOFF:

Disabled (both ways)

New Line:

CR/LF

To change the RS-232 interface settings, see Chapter 6, “Setting Up the Printer.”

Signals on printer’s serial port "uart1:"

DB-9

Signal

Meaning

 

 

 

1

 

External +5V DC*

 

 

 

2

TXD

Transmit data

 

 

 

3

RXD

Recieve data

 

 

 

4

DSR

Data set ready

 

 

 

5

GND

Ground

 

 

 

6

DTR

Data terminal ready

 

 

 

7

CTS

Clear to send

 

 

 

8

RTS

Request to send

 

 

 

9

Not used

 

 

 

RS-232

("uart1:")

*/. The external +5V is limited to 500 mA and is automatically switched off at overload.

Interface Cable

Computer end: Depends on computer model

Printer end:

DB-9pin plug

132 Intermec EasyCoder PF4i Compact Industrial—User’s Guide (Fingerprint)

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Intermec PF4I manual RS-232 Interface, Protocol, Interface Cable