
Troubleshooting Checklist
4.3TROUBLESHOOTING CHECKLIST
If the
Table 4-4 Troubleshooting Checklist
Problem | Possible Cause | Recommended Action | |
|
|
| |
|
|
| |
All LEDs are OFF. | Loss of power. | Check for proper connection | |
|
| of the power cable and its | |
|
| access to a live outlet. | |
|
|
| |
| Installed improperly. | Check the installation. | |
|
|
| |
No Local | Autobaud is enabled. | Press ENTER (RETURN) | |
Management |
| (may take up to four times). | |
Password screen. |
|
| |
Terminal setup is not | Refer to Chapter 5 for proper | ||
| |||
| correct. | setup procedures. | |
|
|
| |
| Improper console cable | Refer to Appendix A for | |
| used. | proper console port pinouts. | |
|
|
| |
Cannot contact the | Using incorrect | Refer to Chapter 5 | |
Community Name. | for Community Name setup. | ||
|
| ||
The device does not | Refer to Chapter 5 for IP | ||
management. | |||
have an IP address | address assignment | ||
| |||
| assigned. | procedure. | |
|
|
| |
| Port is disabled. | Enable port. | |
|
|
| |
| No link to device. | Check link to device. | |
|
|
| |
Port(s) goes into | The device detected a | 1.Review network design and | |
standby for no | loop condition. | delete unnecessary loops. | |
apparent reason. |
| 2.Call the Cabletron Systems | |
|
| Global Call Center if the | |
|
| problem continues. | |
|
|
| |
User parameters (IP | Mode switch (7), NVRAM | 1.Reenter the lost | |
address, Device and | Reset, was changed | parameters as necessary. | |
Module name, etc.) | sometime before either | 2.Call the Cabletron Systems | |
were lost when the | cycling power or | Global Call Center if the | |
pressing the RESET | problem continues. | ||
was cycled or the | button causing the |
| |
front panel RESET |
| ||
button was pressed. | to reset to factory default |
| |
| settings. |
| |
|
|
|
|