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DVG-N5402SP 
User’s Manual
MAINTENANCE
D-Link Systems, Inc.
28 
3-3 MAINTENANCE 
3-3-1 Device Management 
MAINTENANCE 
→
Device Management 
Note: 
Logging in as 
user
, you can only access to some specific settings of the VoIP Router. 
Current Password: 
Enter the password for accessing the VoIP Router.
New Password: 
Modify the password for accessing the VoIP Router. 
It is highly recommended that you modify the password for securing your VoIP Router. 
Confirm Password:
Enter the modified password again. 
MAINTENANCE 
→
Device Management 
You can manage the router through the following function with the selected WAN connection. 
PING:
When you select the check box, you can ping the router with the WAN connection.
WWW: 
When you select the check box, you can access the Web server of the router to manage the router.
USB over FTP: 
When you select the check box, you can access your external storage through the internet 
side by acting the router as a FTP Server. 
 
                 
                                
                    
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DVG-N5402SP 
User’s Manual
MAINTENANCE
D-Link Systems, Inc.
29 
3-3-2 Backup and Restore 
Reboot 
MAINTENANCE 
→
Backup and Restore 
→
Reboot 
Reboot:
Click the 
Reboot
button to reboot the system. 
Backup Setting 
The current system settings can be saved as a file onto the local hard drive. 
MAINTENANCE 
→
Backup and Restore 
→
Backup Setting 
Backup Setting:
Click the Backup Settings button to save all current settings to a file on your PC. 
 
                 
                                
                    
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DVG-N5402SP 
User’s Manual
MAINTENANCE
D-Link Systems, Inc.
30 
Update Setting 
MAINTENANCE 
→
Backup and Restore 
→
Update Setting 
To restore the system settings file, click the Browse button to search the local hard drive for the file to be 
used. Once you locate the file, click the Upload Setting button to overwrite the current settings with the 
settings saved to the file. 
Restore Default Setting 
MAINTENANCE 
→
Backup and Restore 
→
Restore Default Setting 
Click Restore Default Setting to reset the settings of the VoIP Router to the factory default settings.
 
                 
                                
                    
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DVG-N5402SP 
User’s Manual
MAINTENANCE
D-Link Systems, Inc.
31 
3-3-3 Dynamic DNS 
ADVANCED 
→
Dynamic DNS 
Enable Dynamic DNS:
Check the box to enable DDNS (Dynamic Domain Name Server) function. It is only 
necessary when the VoIP Router is set up behind an Internet sharing device that uses a dynamic IP 
address and does not support DDNS. 
Wan Connection: 
Select the WAN connection that you want to configure DDNS.
Server Address: 
Select a DDNS service from the drop-down menu.
Hostname: 
Enter the URL of the system (or NAT) 
–
applied from domain name registration providers (e.g. 
www.dyndns.org).
Username or Key: 
Enter the user name for logging into the DDNS server. 
Password or Key: 
Enter the password for logging into the DDNS server. 
 
                 
                                
                    
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DVG-N5402SP 
User’s Manual
MAINTENANCE
D-Link Systems, Inc.
32 
Verify Password or Key: 
Enter the password again for confirmation. 
3-3-4 USB File Sharing over FTP 
MAINTENANCE 
→
USB File Sharing over FTP 
Enabled FTP Server
: Select the check box to enable the FTP server. 
FTP Server Status
: The current status of FTP server. 
User Name
: Enter the user name that accesses the FTP server. 
Password
: Enter the password that accesses the FTP server. 
Purview
: You can select 
View
, 
Upload
, 
Download
for the user.