B.The cable or the board are probably defective. Please try other ports, cables or boards to verify it. Or use PComm Diagnostic utility testing MOXA boards and port conditions. If Diagnostic reports error, replace the malfunctioned faulty components.

Software Causes and Solutions:

A.Smartio C168H/PCI board will check the line status (CTS) before transmitting data if the RTS/CTS flow control feature is set to Enable in the configuration or application program. Please refer to the “Connection Option (Opt8x) and Cable Wiring” chapter for proper wiring and check the line status of the suspected port using the diagnostic LED indicators on the mini tester.

B.The board controlling application might not be correctly written according to the corresponding API of the operating system. To verify the problem, please run another existing and known good application or the utilities provided by Moxa. Such as Pcomm Terminal emulator or HyperTerminal under Windows NT and Windows 95/98.

Windows NT

This section is specific for troubleshooting under Windows NT. For general problems and solutions, please see the previous section, General Troubleshooting.

1.After the system reboots, the error message Another driver in the system, which did not report its resources, has already claimed the interrupt used by xxx. appears in the Event Log.

This indicates the MOXA board is found, but the IRQ is conflicting with another adapter. Please check the PCI BIOS IRQ settings first and then select an IRQ that is available.

2.After the system reboots, the error message “Cannot find any configured MOXA Smartio/Industio series board!” appears in the Event Log.

Please make sure the PCI board is seated firmly in the expansion slot.

3.The COM number of the Smartio C168H/PCI (Bus No=x Dev No=x,

Port1=COMx), with device number xx, conflicts with others.

6-2Smartio C168H/PCI User’s Manual

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Moxa Technologies C168H user manual Software Causes and Solutions

C168H specifications

Moxa Technologies is renowned for its cutting-edge networking solutions, particularly in industrial applications. One of their standout products is the C168H, a versatile and robust industrial-grade communication device designed to facilitate seamless integration and data transmission in demanding environments.

The Moxa C168H is primarily an industrial serial device server that allows Ethernet access to serial devices. It supports up to 16 serial ports, making it ideal for applications requiring multiple connections and data handling capabilities. This flexibility is essential for industries like manufacturing, transportation, and energy, where numerous serial devices need to be monitored and controlled simultaneously.

A key feature of the C168H is its high-speed data transmission capability. The device supports RS-232/422/485 interfaces, enabling reliable communication along long distances and in electrically noisy environments. The ability to convert serial communication to Ethernet and vice versa means that legacy serial devices can be seamlessly integrated into modern network infrastructures. This feature is particularly beneficial for businesses looking to upgrade their systems without completely overhauling existing equipment.

Another significant characteristic of the C168H is its robust build quality. Designed to operate in harsh industrial settings, the device is constructed with durable materials that can withstand extreme temperatures, vibrations, and electrical interference. This makes it an ideal solution for outdoor applications or environments with strict safety and operational standards.

In terms of connectivity, the C168H supports various networking protocols, including TCP/IP, UDP, and IP multicast. This versatility ensures that the device can be easily integrated into different network architectures, whether the requirement is for local area networks or extensive enterprise systems. Furthermore, it comes with advanced management features like web-based configuration and monitoring, simplifying the setup process and ongoing maintenance.

Moxa has also prioritized security in the design of the C168H. The device includes advanced encryption protocols that safeguard data transmission against unauthorized access. This is crucial as industrial IoT solutions become increasingly interconnected, and protecting sensitive information is paramount.

Overall, the Moxa C168H device server stands out for its combination of high-performance capabilities, rugged construction, flexible connectivity options, and enhanced security features. These characteristics make it a reliable choice for businesses looking to optimize their industrial communication systems and ensure efficient operation in an increasingly connected world. Whether for legacy systems needing an Ethernet interface or new installations, the C168H proves to be an indispensable tool in industrial networking.