D-Link DGS-8010 Quick Installation Manual page 9

Procedure:
1. Check if the connection between the fan
tray and the backplane is secure and if the
connector gets loose.
2. If the connection is secure, you need to
replace the fan tray.
Issue 6: The serial port console has no output.
Details: After the system is started, the serial
port console does not display any information.
Procedure:
1. Check whether serial port cables are
connected correctly and whether the
connected serial port is identical with that
configured on the super terminal.
2. Check whether the configuration of the serial
port on the super terminal is the same as
that described in DGS-8000 Series Software
Configuration Guide. If not, modify the serial
port configuration parameters.
3. If there is still no serial port printed infor-
mation, please contact D-Link Customer
Service Department for technical support.
Issue 7: The serial port console outputs
illegible characters.
Details: The serial port console outputs
illegible characters.
Procedure:
1. Such problem is related to the settings of the
serial port. Check whether serial port cables
are connected correctly and whether the
settings of such parameters as the baud rate
match those on the super terminal.
2. Check whether it is the standard cable of
serial interface.
Issue 8: The system login password is lost.
Details: The system login password of the
switch is forgotten or lost, and so it is not
possible to configure the data.
Procedure:
There are two methods:
Method 1: Delete the configuration file. (This
method is applicable for the user who needs to
configure the switch again)
1. Launch the super terminal and set the name
of new connection to 9600.
2. Click OK. Set COM1 with its baud rate as
the one of the switch, 9600 by default.
3. Power on the switch and press Ctrl+C keys
continuously to enter the switch Ctrl> CLI.
4. Delete a file. Input the delete config.text.
Press the Enter.
5. The" Are you sure you want to delete "
config.text "?[No/yes]" is shown on the
interface. Input y, press Enter to delete it.
6. Input the "dir" to show current file configu-
ration. The result shows that the config.text
file is removed.
7. Input "load" under Ctrl> to load main
program.
8. At this time, you can enter the EXEC
privilege mode without demanding password.
Method 2: Rename config.text as config.bak,
which will not cause loss of configuration (this
method is applicable for the user who needs
save the configuration)
1. Power on the switch and press Ctrl+C keys
continuously to enter the switch Ctrl> CLI.
2. Input " rename config.text config.bak"
under the Ctrl>. Press Enter.
3. Input "dir" under the Ctrl> to check whether
the config.text has been renamed as config.
bak.
4. After the file is renamed successfully, input
'load" under Ctrl> to load main program.
5. At this time, you can enter the EXEC
privilege mode without demanding password.
Input "copy flash:config.bak flash:config.
text" after the prompt # to restore the original
configuration file.
6. Input "del config.bak" after the prompt # to
delete the config.bak file.
7. Power cycle the switch, log on the switch
with password to view the original configu-
ration.
DGS-8000 Series Chassis-Based Switch  9