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Configure Serial ENET Device to Plug Directly into PC Enter a Subnet Mask such as 255 0 0 0. The subnet mask is a code that helps the network device determine whether another device is on the same network or a different network. URL: http://digital.ni.com/public.nsf/allkb/65887B258DE2A36386256FC00083D2BC

Can I Use NI-VISA to Communicate with My Third-Party Serial Card? I purchased a third-party serial card. After installation, the device is showed working properly under device manager in Windows 98 but it was not listed under MAX, does that mean I can not use NI-VISA to control that device? URL: http://digital.ni.com/public.nsf/allkb/7691827728AF681886256F270057337B

Setting the RTS Line for Different RS-485 Transceiver Modes What RS-485 transceiver modes support programmatically asserting and unasserting RTS (Request to Send)? URL: http://digital.ni.com/public.nsf/allkb/51BB669ECA0A919786256F1D007B6C32

在RS-485不同的收发器模式下设置RTS信号 RS-485的哪个收发器模式支持用程序设置或清除RTS(请求发送)信号？ URL: http://digital.ni.com/public.nsf/allkb/47DD1059046F603A8625741A0028C43C

Why Don’t My Ports Appear Under VISA Resources in MAX? I have 6 available COM ports on my computer. These ports are displayed in Device Manager in Windows, but I cannot find them in Measurement & Automation Explorer (MAX). Additionally, when I try to use the VISA Find Resource VI in LabVIEW with the "?*" (find all resources) expression, the URL: http://digital.ni.com/public.nsf/allkb/928D3D3B63AF0EF186256F12004D7E12

Can I Use Non-Standard Baud Rates Under LabVIEW With Serial Boards? I am using a PCI Serial Board from a 3rd Party manufacturer and am able to specify very specific baud rates when using it under Visual C++. How can I use non-standard baud rates in LabVIEW 7.0 with NI-VISA? URL: http://digital.ni.com/public.nsf/allkb/5D2B2F533CFD001586256EFC00823580

Why Can I Not Access COM Port 10 and Higher After Upgrading From LabVIEW 6.1? After upgrading to LabVIEW 7.0 from LabVIEW 6.1, my serial communication on COM Port 10 and higher no longer works, even though the rest of my ports are communicating just fine. URL: http://digital.ni.com/public.nsf/allkb/4E85E5BC52865F8A86256E9B00677BAB

Comunicación Serial: Conceptos Generales ¿Existe algún documento que explique las bases de la comunicación serial? URL: http://digital.ni.com/public.nsf/allkb/039001258CEF8FB686256E0F005888D1

How Can I Self-Test My PCI-485i-2 to Check That All Ports Work? I have a PCI-485i-2 and I would like to self-test it to make sure that all ports are working correctly. Can I perform a loopback test on this board. How can I go about testing this board? URL: http://digital.ni.com/public.nsf/allkb/8A99A85DAEED8FD686256DFE007DD605

Why Am I Not Able to Open COM Port in Windows After Using DOS Serial Commands I open a DOS window in Windows 2000 and copy a file to a National Instruments serial port (i.e. COM8) with the command:copy filename.txt com8The printer attached to COM8 receives the data and I close the DOS window. Now when I try to open HyperTerminal and connect to COM8, I get URL: http://digital.ni.com/public.nsf/allkb/76431B0E2F30F08E86256DAB005584D0