Synology DiskStation User's Guide
Based on DSM 4.1
25
Chapter 3: Modify System Settings
To control fan speed:
1
Choose the appropriate fan speed mode according to your need (
Cool Mode
,
Lower-Power mode
or
Quiet
mode
), or according to the size of your hard disks (
2.5" hard disk mode
or
3.5" hard disk mode
), depending
on the DiskStation models you are using.
2
Click
Apply
.
Cool Mode
or
3.5" hard disk mode
will provide better cooling effect, while
Quiet Mode
or
2.5" hard disk mode
can further reduce the noise level.
Beep Control
Click the
Beep Control
tab to have DiskStation play beep sounds under certain circumstances.
To manage beep control:
Tick or uncheck the checkboxes and click
Apply
.
UPS
Under the
UPS
tab, you can enable UPS support to prevent data loss when an unexpected power failure occurs.
To enable local UPS support:
1
Connect a local UPS to the USB port of your DiskStation.
2
Tick the
Enable UPS support
checkbox.
3
Set the
Time before DiskStation enters Safe Mode
.
Note:
If the local UPS is low on battery, or the network UPS server enters Safe Mode, DiskStation will ignore the
specified time period and enter Safe Mode immediately.
4
You can decide whether to send a shutdown signal to the UPS when the system enters Safe Mode. Most UPS
can restore power supply automatically when the power recovers.
5
Click
Apply
.
Term Explanation
When entering
Safe Mode
, the system will first stop all services and unmount all data volumes to prevent data
loss, so that when the UPS shuts down, the system will be turned off safely. If the Power Recovery function has
been enabled, the system will restart automatically when power is restored.
To enable network UPS support:
1
Tick the
Enable UPS support
checkbox.
2
Enter the
Network UPS server IP
. (Make sure the server allow connection from Synology DiskStation)
3
Set the
Time before DiskStation enters Safe Mode
.
4
Click
Apply
.
More Information
Network UPS support requirements:
You will need another server connected to an UPS that can be communicated via internet, i.e. a network
UPS server.
A network device, such as a switch or a hub, should be connected to the same UPS, so that Synology
DiskStation can still communicate with network UPS server during an unexpected power failure.
To enable Network UPS server:
1
Connect a USB UPS to Synology DiskStation.
2
Tick the
Enable UPS support
checkbox.
3
Tick the
Enable Network UPS Server
checkbox.
4
Enter the IP addresses which will be allowed to connect to Synology DiskStation.
