Patton electronics NetLink 1001MC Operation Manual

Contents

Troubleshooting network malfunctions 278Model 1001MC Operations Guide 11 • Troubleshooting and maintenanceTroubleshooting network malfunctionsUsing the Model 1001MC to troubleshoot a network problem generally involves the following steps:1. Receiving notification that there is a problem.2. Verifying that the problem exists.3. Checking the Home, About 1001MC, or System Level Information pages to see if errors or warningsare listed (see section “Checking 1001MC web pages for warnings or errors”).4. Reviewing the System Log: Non-Volatile Memory page for information on what may have caused the problem(see section “Using the System Log to check for network problems” on page 282).5. Checking rack card LEDs to see if one is displaying a fault condition (refer to the user manual that came witheach rack card for information on using front-panel LEDs to troubleshoot problems).6. Performing diagnostics tests with an external analyzer to isolate the problem (see section “1001MC test modediagnostics” on page 282).If you require more help, refer to chapter 12, “Contacting Patton for assistance” on page 286.Checking 1001MC web pages for warnings or errorsDo the following:1. After verifying the existence of a network problem, check one of the following 1001MC web pages to see iferrors or warnings are listed:Note Warnings are highlighted in yellow and errors are highlighted in red.– Home page (see figure 139 on page 279)– About 1001MC page (see figure 140 on page 279)– System Level Information page (see figure 141 on page 280)2. If no warnings or errors are listed, check rack card front-panel LEDs to see if one is displaying a fault con-dition (refer to the user manual that came with each rack card for information on using front-panel LEDs totroubleshoot problems). Otherwise, (if you are not already at the System Level Information page) go to theHOME page and click on the Configure Cards link to display the System Level Information page. Look atthe Top Level rack information for each rack to see if any are also showing warnings or errors (seefigure 141 on page 280).Table 16. Symptoms and remediesProblem Corrective ActionPower LED (green)is not lit• Verify that power is being supplied to the Model 1001MC• Verify that at least one chassis power supply module is installed in the 1001 rack chassisand functioning normally• Replace the 1001MC (see section “Replacing the Model 1001MC” on page 284)Fault LED (red) is lit The 1001MC has detected a hardware fault, do the following: TBD.LI LED (green) is not lit A valid Ethernet link has not been detected, do the following: TBD.