3Com Hub 1000 SX Switch User Manual


 
A-18 APPENDIX A: USING THE CONSOLE PORT
Table A-5 lists fatal error messages. These messages indicate that the
memory unit has failed. If you see a fatal error message, return the unit
to the supplier.
Table A-4 File Transfer Error Messages
Message Meaning Action
Xmodem error: Timed out
sending NAK.
The hub could not send a negative
acknowledgment.
For any of these errors, check the
following items and then restart
the transfer:
Make sure that the hub is in file
transfer mode (you selected
option 3 in the Hub 1000 SX
Configuration menu).
Make sure that you are using
the correct protocol in the
terminal-emulation program.
Verify that you copied the correct
file from the 3Com Web site. If
necessary, download the file from
the Web site again.
Check that cables are connected
properly.
Eliminate any interference that
may be coming from lighting or
from equipment operating near
the hub.
Xmodem error: Timed out
sending ACK.
The hub could not send an
acknowledgment.
Xmodem error: Timed out waiting
for packet.
The time limit for receiving a packet
was exceeded.
Timed out waiting for transfer
to start.
The time limit for starting the file
transfer was exceeded.
Xmodem error: Got too many
errors to continue.
The hub error limit was exceeded.
Xmodem error. A general protocol error occurred.
Abort key hit. Transfer aborted. The user pressed Esc to stop
the transfer.
Transfer aborted by file sender. The Xmodem operation in the
terminal-emulation program stopped
the transfer.
File too large. Transfer aborted. The file being transferred is too large
for the hub’s memory.
Downloaded file not valid. The firmware image file is corrupted,
or its format is incorrect.
Table A-5 Fatal Error Messages
Message Context Action
Flash memory erase error. During firmware update. For any of these errors, return the
unit to the supplier.
Flash memory programming error. During firmware update.
Data storage error. While saving port settings or
changing the password.
System stopped! During firmware update.