PL-2303 Mac OS X Driver v1.6.1 Installation Guide
Document Rev C
PL2303 Mac OS X Driver v1.6.1 Installation Guide 10182017.doc
How to Run Serial Port Terminal Program
You can use any serial port terminal program and a null modem cable to connect two cables together
and transmit/receive data files. The following steps will show how to use the program:
1. Download the CoolTerm program from below website and install the program under Mac OS X:
http://freeware.the-meiers.org/
2. Run the program and select the PL-2303 device by clicking on Options-Serial Port. Click on Port
to select ‘usbserial’. Set the desired baud rate and other port settings. Click OK and click
Connect to open the port.
3. Open another CoolTerm File and plug another PL-2303 device. Click on Options-Serial Port and
click on Port to select the other PL2303 cable (usbserial1).
Prolific Technology Inc.
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October 18, 2017
All information herein is subject to change without prior notice. Prolific Technology Inc. does not make any warranties regarding
the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial
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