Page 41 / 73
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D-Link DNS-3±1 User Manual
Section 3 - Configuration
System
Restart
Restore 
Defaults
Configuration 
Settings
Idle Time
The DNS-321 System menu provides options for system restarts, saving and loading configuration settings, and idle 
times setting.
Click 
Restart
to reboot the 
DNS-321.
Click 
Restore
to reset the DNS-321 
to its factory default settings. 
This 
will erase all previous configuration 
changes.
Click 
Save
to save the current 
DNS-321 configuration settings to 
a file on the local computer. If at a 
later time you need to reload this 
configuration after a system reset, 
browse the file and click 
Load
.
Enter the time (in minutes) that 
the administrator will be allowed 
to remain idle while accessing the 
DNS-321 configuration utility that 
users will be allowed to remain 
idle while accessing the download 
schedule settings.
Click 
Apply
to activate and save 
the settings.
Shutdown
Click 
Shutdown
to turn off the 
DNS-321.
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                        Page 42 / 73
                                            
                    
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D-Link DNS-3±1 User Manual
Section 3 - Configuration
Firmware
Firmware 
Upgrade
Current 
Firmware Info
The DNS-321 Firmware menu makes it simple to check for new firmware releases and upload them to the device.
This section provides a link to 
check for new firmware on the 
D-Link support website.
If a new firmware is available, 
download the file to your local 
computer.
This section provides information 
about the current DNS-321 
firmware. 
When upgrading the firmware, click 
Browse
to select the new firmware 
file on your local computer. 
Click 
Apply
to begin the firmware 
upgrade process.
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                        Page 43 / 73
                                            
                    
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D-Link DNS-3±1 User Manual
Section 3 - Configuration
E-Mail Alerts
Email Alert 
Settings
Email Alert 
Types
With the DNS-321 E-Mail Alerts, you can configure e-mails to be sent alerting you to certain operational conditions and 
drive status conditions. 
These alerts can prove helpful with the management and safeguarding of important data.
This section contains the 
configuration settings for the 
your e-mail account and alert 
preferences. 
Once configured, use the 
Test 
E-Mail
button to send a test 
e-mail and confirm your settings 
are correct.
This section contains the alert 
options and their configuration 
settings.
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D-Link DNS-3±1 User Manual
Section 3 - Configuration
E-Mail Alert Settings
Login Method
User Name
Select either 
Account
or 
Anonymous
. 
Choosing Anonymous does not require 
a User Name or Password.
Enter the appropriate user name for your 
e-mail account.
Password
Enter the appropriate password for your 
e-mail account.
SMTP Server
Enter the IP address or domain name 
of your outgoing mail server. If you are 
unsure of this value, contact your e-mail 
provider.
Sender E-Mail
Enter the “from” e-mail address (e.g. 
require a valid e-mail address. 
However, 
if your e-mail client is filtering spam, 
make sure you allow this address to be 
received.
Receiver 
E-Mail
Enter the e-mail address you want to 
send the alerts to. This address must 
correspond with the SMTP server 
configured above.
Test E-Mail
Click the Test E-Mail button to send a 
test alert and confirm your settings are 
correct.
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                        Page 45 / 73
                                            
                    
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D-Link DNS-3±1 User Manual
Section 3 - Configuration
E-Mail Alert Types
Space Status
A Volume Is Full
Select an interval in hours and 
minutes to have a status of space 
remaining on the drives e-mailed.
An alert will be sent when the hard 
drive is full.
A Hard Drive Has 
Failed
An alert will be sent if a critical error 
occurs on one of the drives.
The Administrator 
Password Change
An alert will be sent if the admin 
password is changed.
Firmware has 
been Upgraded
An alert will be sent if the firmware 
is upgraded.
System 
Temperature 
Exceeded
An alert will be sent if the DNS-321 
device temperature exceeds the set 
threshold. After the alert has been 
sent, the DNS-321 will power off 
for safety.
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