8
TROUBLESHOOTING
This chapter explains how to troubleshoot specific problems you may encounter during
If you experience problems that are not addressed in this chapter, contact 3Com Technical Support. See Appendix D.
Solving Common The following problems may arise while working with the CoreBuilderTM
Problems7000 family ATM switch. If your problem does not appear on this list, view relevant statistics and parameters using the Administration Console menus (refer to CoreBuilder 7000 family ATM switches User Guide). You can also contact 3Com Technical Support. Also, be sure to read through the release notes.
Table
Problem | Recommended Action |
|
|
Terminal does not | If the control terminal is physically connected to the CoreBuilder 7000 family ATM switch, |
show anything | but does not load the Administration Console Menus, verify that your terminal setup |
| matches the specifications (see “Connecting the Control Terminal” on page |
| make sure your cable is configured as DCE (see “Ethernet Cabling” on page |
|
|
Port cables do not | If the cables attached to the CoreBuilder 7000 family ATM switch interface ports do not |
work | work, check that the connectors are firmly snapped in place. Also, make sure that each |
| wire connects to Rx on one end and Tx on the other. |
|
|
ACT LED not blinking | When the CoreBuilder 7000 family ATM switch is activated, the switch module and |
| interface cards ACT LEDs should be blinking. If not, verify that the switch module and |
| interface cards are properly inserted. Make sure that the control terminal is connected to |
| the control port correctly, as an incorrect connection of this cable sometimes results in the |
| inability of the system to function properly. |