Seagate TS-251-4G User Manual download pdf (Page 119)

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4.10.3 UPS

By enabling the UPS (Uninterruptible Power Supply) support, you can protect your NAS

from abnormal system shutdown caused by power disruption. In the event of a power

failure the NAS will shut down automatically or enter auto-protection mode by probing

the power status of the connected UPS unit.

Standalone Mode – USB

To operate under USB standalone mode, follow the steps below:

1. Plug in the USB cable on the UPS to the NAS.

2. Select the option "Enable UPS Support".

3. Choose between whether the NAS will shut down or enter auto-protection mode after

AC power fails. Specify the time in minutes that the NAS should wait before

executing the option you have selected. After the NAS enters auto-protection mode,

the NAS resumes the previous operation status when the power restores.

4. Click "Apply All" to confirm.

Standalone Mode – SNMP

To operate under SNMP standalone mode, follow the steps below:

1. Make sure the NAS is connected to the same physical network as the SNMP-based

UPS.

2. Select the option "Enable UPS Support".

3. Select "APC UPS with SNMP management" from the "Protocol" drop down menu.

4. Enter the IP address of the SNMP-based UPS.

5. Choose between whether the NAS will shut down or enter auto-protection mode after

AC power fails. Specify the time in minutes that the NAS should wait before

executing the option you have selected. After the NAS enters auto-protection mode,

the NAS resumes the previous operation status when the power restores.

6. Click "Apply All" to confirm.

Network Master Mode

A network UPS master is responsible for communicating with network UPS slaves on the

same physical network about critical power status. To set up your NAS with UPS as

network master mode, plug in the USB cable on the UPS to the NAS and follow the steps

below:

1. Make sure the NAS (the "UPS master") is connected to the same physical network

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Seagate TS-251-4G User Manual Page 119