User manual

out of tolerance. The advanced notice of possible hard disk failure allows users to back up hard disk or
replace the hard disk. This is much better than hard disk crash when it is writing data or rebuilding a failed
hard disk.
After you enter the “S.M.A.R.T.” function, the S.M.A.R.T. information will be displayed. The number is
the current value and the number in parenthesis is the default threshold value. The threshold values are
different according to hard disk vendors. Please refer to the vendor’s speci cations for details.
3.6.4 UPS
You can enter “UPS” function to con gure UPS (Uninterruptible Power Supply).
Currently, the system only support the smart-UPS function of APC (American Power Conversion Corp.)
UPS. For more information, please refer to the web site at http://www.apc.com/.
First, connect the system to APC UPS via RS-232 for communication. Then con gure the shutdown
values when upon power failure. UPS of other vendors can work ne, but this function is not provided.
UPS Type Select UPS Type. Choose Smart-UPS for APC Smart-UPS or choose “None” for other vendors.
Shutdown Battery Level (%)
When below the speci ed level, the system will shut down automatically. Setting the value to “0”
will disable the UPS function.
Shutdown Delay (s)
If power failure occurs, and the system cannot return back after the speci ed period of time, the
system will shut down automatically. Setting the value to “0” will disable this function.
Shutdown UPS
If ON is selected, when power is gone, UPS will shut down automatically after the system shuts
down successfully. After power comes back, UPS will start working and notify the system to boot
up. Selecting “OFF” will disable this function.
Status
The status of UPS
“Detecting…”
“Running”
“Unable to detect UPS”
“Communication lost”
“UPS reboot in progress”
“UPS shutdown in progress”
“Batteries failed. Please change them NOW!”
Battery Level (%) Current percentage of battery power
3.7 Maintenance
The “Maintenance” function provides you with the operation of system functions, including “Upgrade” to
upgrade to the latest rmware, “Info” to show the system version, “Reset to default” to restore factory defaults,
“Con g import & export” to import/export the con gurations, and “Shutdown” to reboot or shut down the system.
54 User Interface Introduction User Interface Introduction 55