Trouble Detection And Solution - Hitachi S10mini User Manual

7 TROUBLESHOOTING

7.1 Trouble Detection and Solution

When you wonder if a failure may have occurred, check the following items.
• Check that the module is properly installed.
• Check that the module switches are properly set.
• Check that network IP address setup is properly completed.
• Check that the common memory area is properly set.
• Check that the module connector connections are tight.
• Check that the communication cables are properly connected.
• Check that the 10BASE5 coaxial cable terminal resistor is properly connected.
• Check that the 10BASE5 coaxial cable is properly grounded.
• Check that a 10BASE-T cross cable is not used.
• Check that the employed 10BASE-T cable complies with the Category 5 specifications.
• Check that the Ethernet hub and repeater are switched ON.
7-2