150 A PPENDIX C: TROUBLESHOOTINGSwitch does not power up:The Switch 9100 uses a digital power supply with surge protection. In theevent of a power surge, the protection circuits shut down the powersupply. To reset, unplug the switch for 1 minute, plug it back in, andattempt to power up the switch.If this does not work, try using a different power source (different powerstrip/outlet) and power cord.Using theCommand-LineInterfaceThe initial welcome prompt does not display:Check that your terminal or terminal emulator is correctly configured.For console port access, you may need to press [Return] several timesbefore the welcome prompt appears.Check the settings on your terminal or terminal emulator. The settings are9600 baud, 8 data bits, 1 stop bit, no parity, XON/OFF flow controlenabled.The SNMP Network Manager cannot access the device:Check that the device IP address, subnet mask, and default router arecorrectly configured, and that the device has been reset.Check that the device IP address is correctly recorded by the SNMPNetwork Manager (refer to the user documentation for the NetworkManager).Check that the community strings configured for the system andNetwork Manager are the same.Check that SNMP access was not disabled for the system.The Telnet workstation cannot access the device:Check that the device IP address, subnet mask and default router arecorrectly configured, and that the device has been reset. Ensure that youenter the IP address of the switch correctly when invoking the Telnetfacility. Check that Telnet access was not disabled for the switch. If you
