Interfaces
8-23
When using the serial interface, your printer has the following differences from the
serial interface on some other printers:
• The printer returns XON/XOFF with 2 stop bits in all cases.
• The printer does not support DTR inversion.
Using the RS-232C Serial Interface
This section describes how to use the RS-232C serial interface. If you are using
RS-422, see “Using the RS-422 Serial Interface” on page 8-33.
How to Connect the RS-232C Serial Interface
Use Lexmark serial cable P/N 1038693 (15.24 m or 50 ft) to connect the serial
interface.
RS-232C Serial Cable Pin Assignments
The RS-232C serial cable appears as follows:
Table 8-4: Dedicated Serial Connector Pin Assignments (RS-232C)
Pin Signal Direction Description
1 GND Frame Ground
2 TXD Out Transmit Data. The pin transmits data to your computer or
terminal.
3 RXD In Receive Data. The pin receives data from your computer or
terminal.
2513
141
2513
141
25-Pin
D-Shell
(Female)
25-Pin
D-Shell
(Male)
Computer
Side
Printer
Side
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