Cisco 2960-48TC-S Hardware Installation Guide - Page 93
No Connectivity., Amber System LED., Amber Module Slot LED., Unreadable Characters, on the Management
UPC - 882658169298
View all Cisco 2960-48TC-S manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 93 highlights
Chapter 3 Troubleshooting Diagnosing Problems Table 3-2 Common Problems and Their Solutions (continued) Symptom No Connectivity. Amber System LED. Amber Module Slot LED. Unreadable Characters on the Management Console. LRE LED not turned on. Possible Cause Resolution Incorrect or bad cable. The following are indicated by no link at both ends: • A crossover cable was used when a straight-through was required or vice-versa. • The cable is wired incorrectly. • STP checking for possible loops. • For the correct pinouts and the proper application of crossover or straight-through cables, see the "Crossover and Straight-Through Cable Pinouts" section on page B-3. • Replace with a tested good cable. • Wait 30 seconds for the LED to turn green. Corrupted software. Use the show POST EXEC command to see which test failed. Module not seated in module slot. Tighten the thumb screws on the module front panel. Incorrect baud rate. Reset the emulation software to 9600 baud. Telephone cable loose or not connected properly. Reseat telephone cable into telephone wall jack and Cisco LRE CPE. Telephone cable defective. Replace telephone cable. Cable trunking defective. Repair cable trunking or select an alternative pair. Cisco LRE CPE not communicating with or might be attempting to exceed rate or reach selected by the Catalyst 2900 LRE XL switch. Verify switch and upstream network status. 78-6461-04 Catalyst 2900 Series XL Hardware Installation Guide 3-5