 |
|
| Precautions for use of
Battery Unit |
|
| Applicable
Models |
| Models
equipped with Battery Unit in the PL3000 series or PS-3650A
series |
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|
Battery Unit, an option for the
PL3000 and PS-3650A series, is created to prevent abnormal
termination of OS by switching to a battery power supply as an
auxiliary power source in the case of a failure occurred in
the AC power supply or when the power is unexpectedly cut off.
There are a couple of precautions for your safety. Please
refer to the following Precaution 1 to 3.
| ■ |
Precaution 1 |
| |
The number of charges on a Battery Unit is limited.
For example, if the usual operation is, the AC power
supply is cut off at system shutdown in the PS-3650A
series and a Battery Unit is intentionally operated, and
then the OS is shut down, the battery comes to the end
of its life after 200 times of this operation, in a
simple calculation based on the limited number of
charges.
Also, if a Battery Unit is operated several
times on a same day, the amount that can be charged may
be lowered and it could be a cause for abnormal
operations.
For the reasons above, please use a
Battery Unit only in the case of a failure occurred in
the AC power supply or when the power is unexpectedly
cut off.
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| ■ |
Precaution 2 |
| |
In the case of a failure occurring in the power
supply, the power starts being supplied from the
battery. Then, the OS shuts down after a certain period
of time (in the default setting, the shutdown starts
after one minute). Even if the power supply is recovered
from the failure during the shutdown process, the
shutdown continues, but the OS does not reboot.
This
is because the state becomes soft-off (S5) after the
shutdown, and the power supply is recovered before the
shutdown gets completed.
|
| ■ |
Precaution 3 |
| |
There is a difference in the operation between the
PL3000 and PS-3650A series in the case that a unit of
the applicable models is switched off while it is in
operation with a normal power supply.
In the PS-3650A
series, as the unit identifies the power-off by being
switched off from by power outage, the battery does not
start operating.
On the other hand, in the PL3000
series, the unit does not distinguish power-off by being
switched off from by power outage. Therefore, it
identifies the power-off as that due to a failure
occurred in the AC power supply, and the battery starts
operating. | |
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