Solving Problems With The Command Line Interface - 3Com OfficeConnect 140M User Manual

Solving Problems With the Command Line
Interface
The terminal or terminal emulator cannot access
the switch through the console port. Check that:
Your terminal or terminal emulator is correctly
configured to operate as a standard terminal. If this
doesn't work, try configuring it to operate as a
VT100 terminal.
You have performed the wake-up procedure
correctly, by pressing [Return][Return].
Check the settings on your terminal or emulator.
The parity must be set to 'none', the stop bit '1'
and the data bits (character size) '8'. The
management facility's auto-configuration works
only with speeds from 1200 to 19200 baud.
You are using the right cable. For examples of the
pin wiring for suitable cables, refer to
Null Modem Cables You Can Use"
If you still cannot access the switch, reset the switch
using the web interface and retry the wake-up
procedure. If this does not work, initialize the switch.

Solving Problems With the Command Line Interface

"Examples of
on page A-3.
The Telnet application cannot access the switch
over the network. Check that:
The switch's IP address, subnet mask and default
router are correctly configured and that the switch
has been reset since configuring this information.
Your Telnet application must point to the same IP
address.
The port through which you are trying to access
the switch has not been disabled by another user
(using the web interface or an SNMP network
management application).
You are using the right network cables. For
examples of the pin wiring for suitable cables, refer
to "Cabling" on page A-2.
If you still cannot access the switch, reset the switch
using the web interface and try to raccess the CLI.
If this does not work, initialize the switch.
Initial password prompt is not displayed after a
logout. Some Telnet applications require you to
reconnect to the switch.
You forget your password. If you can access the
switch using the security or admin user level, you can
initialize the switch to reset the passwords. If you
have forgotten all of your passwords, you must
contact your supplier.
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