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Chapter 11 System Management
11.2 Functions in the Action Area for System
2
Specify the parameters, and click the [Set] button.
•
Enable
Select the checkbox for the controller module to enable power management by an
external input device (multiple selections can be made).
•
Auto Power
Select whether to "Enable" or "Disable" the AC power interlock mode (the function to
automatically power on when AC power is supplied).
When PMAN is connected, enable the "Auto Power".
When the power synchronized unit is connected, disable the "Auto Power".
•
Power Resume
Select whether to "Enable" or "Disable" the auto power recovery mode (the function to
automatically power on at power recovery after a power failure).
The following items are only required for the ETERNUS DX80 S2/
DX90 S2.
•
Delay until Shutdown (min.)
Specify the delay time (minutes) before starting shutdown after receiving a shut down
notification signal from the external input device between 0 - 15.
When PMAN is connected, specify the delay time before starting shutdown after receiv-
ing a low battery signal. Specify a delay time longer than the time required for the
server shutdown process so that the ETERNUS DX Disk storage system is turned off
after the server shutdown is complete.
•
Set management unit interface
Select the external input device connected via RS232C interface from "Power Synchro-
nized Unit", "PMAN", or "Manual".
The "Manual" setting is for particular use, thus should not be used during normal oper-
ation.
•
Power Failure Signal
Select the signal logic for power failure signal when the power failure occurs from "Pos-
itive" or "Negative" (Positive: positive logic, Negative: negative logic).
When "Power Synchronized Unit" or "PMAN" is selected for the "Set management unit
interface" field, this item is automatically set.
•
Low Battery Signal
Select the signal logic for a low battery signal when a low battery charge occurs from
"Positive" or "Negative" (Positive: positive logic, Negative: negative logic).
When "Power Synchronized Unit" or "PMAN" is selected for the "Set management unit
interface" field, this item is automatically set.
•
UPS Shutdown Signal
When enabling the UPS shutdown signal, select the "Enable" checkbox. Also, select
the signal logic for UPS shutdown signal from "Positive" or "Negative" (Positive: posi-
tive logic, Negative: negative logic). Select "Disable". (Be sure not to select the
"Enable" checkbox.)
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