Zebra Technologies 2722, 2742, 3742 user manual Wiring

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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
DSR	6	6		RDY
RTS	7	7		N/C
CTS	8	8		RDY
CTS	8	8		RDY
RI	9	9		N/C
	Female DB-9 to Male DB-9
	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
DSR	6	6		RDY
RTS	4	7		N/C
CTS	5	8		RDY
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

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Contents Desktop Thermal Printer User’s Manual 2722 2742 Copyright Notice Table of Contents General Cautions and Warnings Installation and Operation Unpacking Your Printer Getting To Know Your Printer Power OFF Step Attach PowerPlug Into Power Module Step Attach Interface Cable Parallel Interface Serial InterfaceStep Load Media Open CoverOpen Print Head Open GuidesLabels Tag StockMedia Install Roll 2742 Install RollThread the Media Seat Media RollClose Guides Close Print Head Close CoverPower on Press Feed ButtonStep Install Software Press & Hold Feed Button Power onStep AutoSense Print StatusUsing Fan-Fold Media Place Media In Rear Face Print Surface UP Insert & LoadMovie Expose 15CM of Labels PeelCut End Exposed Liner Pull Print Head Release LeverInsert Liner Label Dispense OptionPull Liner Through Close Print Head Close Cover Remove Presented LabelThermal Transfer Ribbon Loading Thermal Transfer Print Head Mechanism Ribbon PathThermal Transfer Ribbon Loading Open Print Head Load Ribbon CoreStart Ribbon Rear ViewInstallation and Operation Appendix a Troubleshooting REDPrinter Maintenance Clean the Print HeadDump Mode Printout Wiring Interface 980344-001 Rev.A