Printronix T4204 User Manual page 24

Chapter 1
Printer Installation
b. Serial Interface
Attach a suitable serial printer cable from the computer to the DB-25
RS-232 Serial interface connector at the back of the printer. For
additional information on serial cable wiring, refer to Chapter 4, page
185.
NOTE: The printer supports simultaneous connection of the Parallel and
Serial interfaces using the Auto Switching feature. See Auto
Switching described on page 78.
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