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USB to Serial Converters

Since newer computers don't have serial ports it is necessary to use a Serial port converter that plugs into a USB port on your PC.


Information about drivers for Prolific chip:
 

 
Latest PL2303 Prolific DriverInstaller   2013/9/12   v1.8.19   4019KB  
Older Drivers              
PL2303_Prolific_DriverInstaller_v170.zip   2012/8/1   v1.7.0   3800 KB  
PL2303_Prolific_DriverInstaller_v10518.zip   2009/7/17   v1.5.18   3201 KB  

 
(For PL2303 HXA, XA, HXD, EA, RA, SA, TA, TB versions)
Installer version & Build date: 1.8.19 (2013-8-14)
Windows XP (32 & 64-bit) WDM WHQL Driver: v2.1.44.226
   - Compatible with Windows 2000SP4 & Server2003
Windows Vista/7/8/8.1 (32 & 64-bit) WDF WHQL Driver: v3.4.48.272
   - Windows Vista, 7, 8, 8.1 Certified WHQL Driver  
   - Compatible with Windows Server2008/Server2008R2/Server2012 

Prolific recommends to purchase from following Cable Makers:
ATEN UC232A USB to Serial    (Recommended). Drivers: for XP,Vista,Win7,8  2000,98,ME  Win95

 

Note on Windows 8: Windows 8 is NOT supported for older versions of prolific chips. So if your USB to Serial converter worked in Windows 7 and doesn't work in Windows 8, it is probably because you have an older or no-name brand converter that does not have the latest version of chip in it. And new drivers wont help it.

In Windows 8 Device Manager the yellow warning symbol will show for converters that used to work in Windows 7 but are too old to work now:

In Windows 8 a newer name brand converter will work fine:

The DNC Server software itself works fine on Windows 8.

(This is talking about the regular old desktop in Windows 8, not the new "Metro" WinRT. There is not, and will not be, any converter drivers for Metro apps for a very long time.)

Recommended to use ATEN UC232A USB to Serial This is the Gold Standard of USB to Serial adapters.

We don't sell any serial port hardware, but we have bought converters on ebay and used them. These models that are sold by many stores worked good for us:

Warning: these cheap ones worked fine in Windows 7 and earlier, but might not work in Windows 8 because they may use older model Prolific chips that are not compatible with Windows 8.

 

This 4-port USB-Serial converter works good on Windows 8:

This 8-port usb to serial converter works well. Available at:
http://www.usbgear.com/computer_cable_details.cfm?sku=USBG-8X-RS232&cats=199&catid=199,469,478,474


 

Don't use these Belkin F5U409 USB to Serial converters.
These don't work for CNC communication.

Stay away from these blue things. They don't work.


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