User guide

Data Ports
Serial Port
13383L-001 Rev. 1 7/8/2004 XiIIIPlus User Guide 79
Serial Pin Configuration
Table 8 shows the pin configuration and function of the rear panel serial data connector on
the printer.
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Table 8 • Serial Connector Pin Configuration
Pin No. Name Description
1 — Not connected
2 RXD Receive data—data input to printer
3 TXD Transmit data—data output from printer
4 DTR Data terminal ready—output from printer
5 SG Signal ground
6 DSR Data set ready—input to printer
7 RTS Request to send—output from printer
8 CTS Clear to send—input to printer
9 +5 VDC +5 VDC at 750 mA
The maximum current draw may be limited by option
configuration.