SMC Networks 1000BASE-X Benutzerhandbuch
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PPENDIX
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T
ROUBLESHOOTING
Troubleshooting Chart
Troubleshooting Chart
Symptom
Action
Cannot connect using
Telnet, Web browser,
or SNMP software
•
Be sure to have configured the agent with a valid IP
address, subnet mask and default gateway.
address, subnet mask and default gateway.
•
Check that you have a valid network connection to the
switch and that the port you are using has not been
disabled.
switch and that the port you are using has not been
disabled.
•
Check network cabling between the management station
and the switch.
and the switch.
•
If you cannot connect using Telnet, you may have
exceeded the maximum number of concurrent Telnet
sessions permitted. Try connecting again at a later time.
exceeded the maximum number of concurrent Telnet
sessions permitted. Try connecting again at a later time.
Cannot access the
on-board
configuration
program via a serial
port connection
•
Be sure to have set the terminal emulator program to
VT100 compatible, 8 data bits, 1 stop bit, no parity and
19200 bps.
VT100 compatible, 8 data bits, 1 stop bit, no parity and
19200 bps.
•
If the switch is configured for Auto (baud rate detection),
the terminal emulator program must be set at
2400~19200 baud, 8 data bits, 1 stop bit, no parity, and
flow control set to none. Also, you must first press the
Enter key once to set the data rate and initialize the
connection.
the terminal emulator program must be set at
2400~19200 baud, 8 data bits, 1 stop bit, no parity, and
flow control set to none. Also, you must first press the
Enter key once to set the data rate and initialize the
connection.
•
Check that the null-modem serial cable conforms to the
pin-out connections provided in Appendix B.
pin-out connections provided in Appendix B.
Forgot or lost the
password
•
Contact SMC Technical Support for help.