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USB-to-Serial Port Adapter - How Do I Get It To Work?
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Administrator  Join Date: Apr 2001
Location: San Antonio TX USA
Status:
Offline
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I bought a Prolific USB-to-serial adapter so that I could connect my Garmin eTrex GPS to my iMac. I have installed the driver and even ensured that the kext the installer drops is in the right place. But when I connect the device, I am prompted to set it up as a modem, and of course that never works.
So how would one install and configure a Prolific PL2303 (packaged as a Sabrent SBT-USC1M) so that it works as a serial port without the whole modem business?
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Glenn -----OTR/L, MOT, Tx
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Moderator  Join Date: Oct 2001
Location: San Jose, CA
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Never heard of Prolific. I've had a Keyspan adapter that's been easy plug and play for years.
Any chance you have to manually set up a new interface in Network preferences?
Steve
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Celebrating 10 years and 4000 posts on MacNN!
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Administrator Join Date: Apr 2001
Location: San Antonio TX USA
Status:
Offline
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Originally Posted by ibook_steve 
Any chance you have to manually set up a new interface in Network preferences?
Steve
Prolific is the chipset maker; I've bought a number of Sabrent-branded peripherals over the years, and they choose decent chips.
I can't figure out HOW to set up a new interface in Network Prefs-it ONLY wants to configure the serial connection as a modem. I can set up new services, but they are based on the interfaces that are shown in the list, with no obvious way to add a new interface. I'm stumped and that frustrates me.
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Glenn -----OTR/L, MOT, Tx
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Moderator Join Date: Oct 2001
Location: San Jose, CA
Status:
Offline
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Celebrating 10 years and 4000 posts on MacNN!
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Administrator Join Date: Apr 2001
Location: San Antonio TX USA
Status:
Offline
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No joy so far. I have to check this adapter on a PC with a serial port; I don't know if the adapter is giving me problems or if the GPS's cable is the problem...
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Glenn -----OTR/L, MOT, Tx
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Administrator Join Date: Apr 2001
Location: San Antonio TX USA
Status:
Offline
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The GPS's data cable and the adapter work fine on an XP machine. I simply don't know how to tell OS X to set up the adapter as JUST a null modem connection-the null modem setting in Network Prefs does not seem to work, as the computer still tries to "connect" to the unit. 
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Glenn -----OTR/L, MOT, Tx
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