Allied Telesis AT-8326GB - Manual (Page 66)

AT-8326GB Installation Guide
66
If you are unable to establish a local management session with the
switch through the RS-232 Terminal Port on the front panel, do the
following:
G Check to be sure that the null modem management cable is
securely connected to the RS-232 Terminal Port on the switch and
to the RS-232 port on the terminal or personal computer.
G Check to be sure that you are using the null modem management
cable included with the switch.
G Check to be sure that the operating parameters on the terminal or
the terminal emulation program, if you are using a personal
computer, have been set correctly. The default settings for the
RS232 Terminal Port can be found in Starting a Local
Management Session on page 59.
G If you are managing a switch stack, check to be sure that the null
modem management cable is connected to the master switch,
not a slave switch.