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6
Troubleshooting
Common
General Troubleshooting
1.The MOXA
Hardware causes and solutions:
a.The board is not installed in the computer. Please install it.
b.The board is not properly plugged into the system. If this is the case,
c.The motherboard does not have an available IRQ for the
2.The MOXA
Hardware Causes and Solutions:
a.Make sure the cable wiring is connected correctly. Refer to the “Connection Cables and Cable Wiring” chapter for correct cable connections.
b.The cable or the board could be defective. Try other ports, cables, or boards to verify this, or use the PComm Diagnostic utility to test the MOXA board and port conditions. If Diagnostic reports an error, replace the faulty components.
Software Causes and Solutions:
a.
b.The board control application might not be written correctly according to the corresponding API of the operating system. To check this problem, run another application that you know is correct, or use the utilities provided by Moxa (such as Pcomm Terminal emulator or HyperTerminal under Windows NT and Windows 95/98).