Zebra Technologies 2722, 2742, 3742 user manual Wiring

Serial Interface The printer’s serial port is configured with the Communication Y command for the printer. The printer supports Configuration interface data rates from 1200 to 38,400 baud.

See the programmer's manual for details.

The printer’s serial port default configuration is: 9600 baud

8 bit data

1 stop bit No parity

RS-232 Serial The figure below displays the cable wiring re- Interface Cable quired to use the printer’s serial interface.

Wiring

Host	DB-9	DB-9	Printer
	Pin #	Pin #
N/C	1	1	+5 Volts*
RxD	2	2	TxD
TxD	3	3	RxD
DTR	4	4	N/C
GND	5	5	GND
DSR	6	6	RDY
RTS	7	7	N/C
CTS	8	8	RDY
RI	9	9	N/C
	Female DB-9 to Male DB-9
Host	DB-25	DB-9	Printer
	Pin #	Pin #
N/C	8	1	+5 Volts*
RxD	3	2	TxD
TxD	2	3	RxD
DTR	20	4	N/C
GND	7	5	GND
DSR	6	6	RDY
RTS	4	7	N/C
CTS	5	8	RDY
RI	22	9	N/C

Female DB-25 to Male DB-9

*+5 volts at 150 mA for external device (e.g. KDU or scanner)

24 980344-001 Rev.A