3Com Hub 1000 SX manual Table A-4 File Transfer Error Messages, Table A-5 Fatal Error Messages

A-18APPENDIX 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-4File Transfer Error Messages

Message Meaning Action

Xmodem error: Timed out sending NAK.

Xmodem error: Timed out sending ACK.

Xmodem error: Timed out waiting for packet.

The hub could not send a negative acknowledgment.

The hub could not send an acknowledgment.

The time limit for receiving a packet was exceeded.

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).

Timed out waiting for transfer to start.

Xmodem error: Got too many errors to continue.

Xmodem error.

Abort key hit. Transfer aborted.

Transfer aborted by file sender.

File too large. Transfer aborted.

The time limit for starting the file transfer was exceeded.

The hub error limit was exceeded.

A general protocol error occurred.

The user pressed Esc to stop the transfer.

The Xmodem operation in the terminal-emulation program stopped the transfer.

The file being transferred is too large for the hub’s memory.

■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.

Downloaded file not valid.	The firmware image file is corrupted,
	or its format is incorrect.

Table A-5Fatal Error Messages

Message Context Action

Flash memory erase error.	During firmware update.
Flash memory programming error.	During firmware update.
Data storage error.	While saving port settings or
	changing the password.

For any of these errors, return the unit to the supplier.

System stopped! During firmware update.