3Com 3C16630A User Manual page 96

C-2 A C: T
PPENDIX
If you still cannot resolve the problem, the Module itself may be faulty.
Contact your supplier.
Screens are incorrectly displayed.
Check that your terminal or terminal emulator is correctly configured to
operate as a VT100 terminal.
Check the settings on your terminal or emulator. The parity must set to
'none', the stop bit '1' and the character size '8'. The management
facility's autoconfiguration works only with speeds from 1200 to 9600
baud.
The SNMP manager cannot access the device.
Check the device's IP address, subnet mask and default router are
correctly configured (see
been reset (see
address is correctly recorded by the SNMP manager (refer to the user
manual for the manager).
The Telnet workstation cannot access the device.
Check the device's IP address, subnet mask and default router are
correctly configured (see
been reset (see
address correctly when invoking the Telnet facility.
Traps are not received by the SNMP manager.
Check the SNMP manager's IP address and the community string is
correctly configured (see
The SNMP manager or Telnet workstation can no longer
access the device.
Check that Remote Telnet access or Community-SNMP access is
enabled (see
Check that the port through which you are trying to access the device
has not been disabled (see
check the connections and network cabling at the port.
ROUBLESHOOTING
"Setup"
"Reset" on page 3-48). Check that the device's IP
"Setup"
"Reset" on page 3-48). Ensure that you enter the IP
"Trap Setup"
"Local Security"
on page 3-10) and the device has
on page 3-10) and the device has
on page 3-13).
on page 3-18).
"Port Setup" on page 3-36). If it is enabled,
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