Data Ports

Serial Port

RS-232 Interface Connections

Note • Adapters are available from Zebra Technologies LLC.

• RS-422/RS-485 adapter, Zebra part number 33114M

• RS-232 DB-9 to DB-25 adapter, Zebra part number 33109M

Direct Connection to a Computer

The printer is configured as Data Terminal Equipment (DTE).

Note • Use a null modem (crossover) cable to connect the printer to a computer or any other DTE device.

Figure 32 shows the internal connections of the printer’s RS-232 connector.

+5 VDC

Figure 32 • RS-232 Connections

RS-232 Connector (DTE)

Rear Panel Female DB-9

2 RXD (receive data) input

3 TXD (transmit data) output

4 DTR (data terminal ready) output

5 SG (signal ground)

6 DSR (data set ready) input

7 RTS (request to send) output

8 CTS (clear to send) input

R1

1 K

9 +5 VDC signal source

NOTE: Pin 1 is unused and unterminated.

Pin 9 is also available as a +5 VDC signal source at 750 mA. The maximum current draw may be limited by option configuration.

Caution • To enable this capability, a qualified service technician must install a jumper on the printer’s main logic board on JP1, pins 2 and 3.

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RXiIIIPlus User Guide

6/21/2004 23063L-001 Rev. 2