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Multiport Serial Board: Basic Introduction & Troubleshooting Guide

This comprehensive guide covers the essential aspects of Multiport Serial Boards, including product introduction, features, troubleshooting steps, and interface instructions for Windows and Linux systems. Explore why Multiport Serial Boards are crucial for various applications and learn about the different types available, along with troubleshooting tips for both hardware and software issues. Confidential information is also provided for your understanding.

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Multiport Serial Board: Basic Introduction & Troubleshooting Guide

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  1. Multiport Serial Board • Engineer/Customer Service Department • Basic Introduction & Troubleshooting Joshua Lin

  2. Agenda Product Introduction Product Features Troubleshooting

  3. Training Essential Interface & UART General & Windows & Linux Confidential

  4. In This Section You Will Learn…(Optional) Confidential

  5. Product Introduction Confidential

  6. WHY Multiport Serial Board? • Provide COM ports for host system Non-Intelligent MSB Intelligent MSB Confidential

  7. Multiport Serial Board Types • Non-Intelligent(Smartio/Industio) • Up to 8 ports per card x up to 4 cards in a system. • Intelligent(Intellio) • Dedicated CPU onboard, to decrease system load. • Up to 32 ports per card x up to 4 cards in a system. Confidential

  8. Non-Intelligent MSB Naming regulation(In General) C X – 1XXXX OptionsL: Low profile T : Wide temperature E : Optical ESD U : Universal PCI Number of ports Port type 0: RS-232 1: RS-232/422/485 3: RS-422/485 Bus P: PCI & PCIe I: ISA Confidential

  9. Non-Intelligent Product Features Confidential

  10. Non-Intelligent MSB Standard Bracket vs. Low Profile (for small PC) Confidential

  11. Non-Intelligent MSB • Built-in Terminator for RS-422/485 • Open: Not using Termination Resistor • Short:Using Termination Resistor Confidential

  12. Troubleshooting Confidential

  13. Troubleshooting Host System MSB on board • Unable to detect MSB by the host • Able to detect MSB, • Driver could install on the system completely Hardware Issue Software Issue Confidential

  14. Hardware Troubleshooting Step1. Plug MSB, but system hangs. Unplug MSB, system works. (Check if the CPU ) Step2 .Check MSB is fixed Step3. Wipe edge-board contact (gold finger) Step4. Change another card Confidential

  15. Software Troubleshooting • Error Code(Windows Device Manager) • Collect the information and contact Moxa Confidential

  16. Software Troubleshooting • Compile error(Linux) • Should install kernel-source in advance • Still can’t work, please collect the error massage and contact Moxa. Confidential

  17. Use PCommUtility Confidential If install driver successfully, but still can’t work. What Should I do?

  18. Test Utilities-PComm • What is Diagnostic • Provide internal and external testing, such as IRQ,TxD/RxD,UART, CTS/RTS, DTR/DSR, DTR/DCD • Multiport Serial Boards only • When to use Diagnostic • Driver Installation completed, then you want to check if MSB works functionally • How to use Diagnostic • Connect loopback terminator after COM ports and then run the diagnostics program. Confidential

  19. How to Use Diagnostics 1. Click the icon 2. Choose the board 3. Check the results Confidential

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