USER MANUAL for USB to serial converter (PL2303)
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PL-2303 MAC X driver FAQ
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FAQ
Q1: How do I install the PL-2303 MAC X driver?
A: First, download the PL-2303 MAC X driver from our support website.
Then, uncompress the .zip file and executing the .pkg file. This will
install the driver automatically.
Note: You need to restart the computer after installing the Mac X driver.
The PL-2303 Mac X driver only supports V10.1.X so you need to upgrade
first your OS X by SOFTWARE UPGRADE.
Q2: How do I test the PL-2303 MAC X driver?
A: You can test all COM port devices for MAC X except serial keyboard
and mouse since these devices are not supported.
For example serial modem:
1. Set modem using PL-2303 COM port.
2. Set your modem model.
3. Execute REMOTE ACCESS to connect to the internet.
Q3: How do I uninstall the PL-2303 MAC X driver?
A:
1. Open "Applications-> Utilities-> Terminal"
(Need to create ID & password first on NetInfo Manager)
2. Login to root user，to type "su"，input password
3. To type "cd /System/Library/Extensions" to enter "Extensions" folder.
4. Unload driver ( if had been loaded )，to type "kextunload PL2303.kext"
or "kextunload ProlificUsbSerial.kext".
5. Remove driver，to type "rm -r PL2303.kext" or
"rm -r ProlificUsbSerial.kext".
Q4: After I completed installation of the PL-2303 MAC X driver under OS
10.2, a warning will appear saying that "Prolific USB Serial. kext" has
problems and there are three buttons that can be selected.
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