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Uninterruptible Power Supply (UPS) Management includes the following functions:
• "Viewing a List of UPS Units" on page 67
• "Viewing UPS Information" on page 68
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To view a list of UPS units supporting the ASUS DS300f G2:
1. Click the Device tab.
2. Click the UPS icon.
Information in the UPS List includes:
• ID – The ID number of the UPS
• Status – OK means Normal.
On AC means the UPS is connected to a viable external AC power source.
On Battery means the external AC power source is offline and the UPS is running on battery power.
• Model – Model name of the UPS
• Battery Capacity – Backup capacity expressed as a percentage.
• Loading Ratio – Actual output of UPS as a percentage of the rated output. See the Note below.
• Remaining Minutes – Number of minutes the UPS is expected to
power your system in the event of a power failure.
Note
The maximum recommended Loading Ratio varies among models of UPS units. The
general range is 60% to 80%. If the reported Loading Ratio exceeds the recommended
value for your UPS unit:
Have fewer subsystems or peripherals connected to this UPS unit.
Add more UPS units, or use a higher-capacity UPS unit, to protect your RAID systems.
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These settings control how the ASUS DS300f G2 subsystem detects the UPS unit and responds to data reported
by the UPS unit.
To make UPS settings:
1. Click the Device tab.
2. Click the UPS icon.
3. Click the UPS Settings button.
4. Perform the following actions as required:
• Verify the Current UPS Communication method. See Note 1:
SNMP – Network connection.
USB
Unknown – No connection.
• Choose a Detection Setting from the drop-down menu:
Automatic – Default. If a UPS is detected when the subsystem boots, the settings changes to Enable.
Enable – Monitors UPS. Settings changes, reports warnings, and logs events.
Disable – Does not monitor UPS.
• Type values into the Threshold fields. See Note 2:
Running Time Remaining Threshold – Actual time below this value resets adaptive writeback cache to
writethrough.
Warning Temperature Threshold – Actual temperature above this value triggers a warning and logs an
event.
Loading Ratio Threshold – Actual loading ratio (percentage) above this threshold triggers a warning and
logs an event. See Note 3.
• For UPS units with network cards, type the IP addresses or DNS
names in fields UPS 1 and UPS 2. See Note 4.
5. Press Submit to save your settings.
Note 1: ASUS DS300f G2 supports multiple UPS units using network or USB connections, but not a
combination of both methods.
Note 2: Detection Setting must be set to Auto. If a UPS is detected, the settings changes to Enable.
Note 3: The maximum recommended Loading Ratio varies among models of UPS units. The general
range is 60% to 80%.
Note 4: To specify UPS units by DNS names, ask your IT administrator to add the DNS names to the DNS
server, before you make UPS settings.
DS300f G2 Series User Manual