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???
06/18/10 14:24
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 		 #176744 - Digressing: Multiple USB-to-Serial
Responding to: ???'s previous message
Oliver Sedlacek said:
I've been trying to set up some customer systems with three USB-UART virtual com ports

Probably best to use a proper USB-to-Multiple-Serial adaptor; eg,


http://apple.clickandbuild.com/cnb/shop/...egoryID=89


http://www.digi.com/products/...p#overview


http://www.dpie.com/pcbus/quatechusb_serial.html


Connected several devices with the same VID, PID and serial number does confuse Windows

As well it would!!

That's like having multiple devices on a LAN all with the same MAC address!

If the converter uses the Silabs or FTDI chips you can at least serialise them yourself.

The ones that come from FTDI come ready done!


List of 23 messages in thread
TopicAuthorDate
Serial Port monitor software            01/01/70 00:00      
   Docklight            01/01/70 00:00      
      I use...            01/01/70 00:00      
   monitor and control            01/01/70 00:00      
      br@y terminal??            01/01/70 00:00      
         But that's "just" (sic?) another terminal, surely?            01/01/70 00:00      
      RE: Portmon from Sysinternals            01/01/70 00:00      
         "pi" cable and two serial ports to log rx and tx            01/01/70 00:00      
            OK for simple data logging...            01/01/70 00:00      
               timing etc is just a question of program and OS            01/01/70 00:00      
            Command-response sync?            01/01/70 00:00      
               Don't blame windows here!            01/01/70 00:00      
                  Don't blame the driver or the adapter            01/01/70 00:00      
                     Eh?            01/01/70 00:00      
                        Huge FIFO because max baudrate also much higher            01/01/70 00:00      
                  USB-Windows-drivers            01/01/70 00:00      
                     Digressing: Multiple USB-to-Serial            01/01/70 00:00      
                        Digressing Further...            01/01/70 00:00      
                        Nice            01/01/70 00:00      
                           RE: It's a shame I can't tell the service guys what to buy            01/01/70 00:00      
               8052-based analyser            01/01/70 00:00      
               Timing just depends on OS and where the data is sampled            01/01/70 00:00      
      Scripting for development and testing            01/01/70 00:00      

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