From: Gregg N 

Ellen K. wrote:
>>    A.  What happens AFTER the outage?  Does the battery recharge
>>itself by virtue of the fact that the device is plugged into the wall?
>>    B.  How often would I need to replace the battery?
>>    C.  How much do replacement batteries cost?
>>    D.  How difficult are replacement batteries to install?
>>
>>3.  The spec also says the device includes a serial cable and 9 pin
>>D-Sub (DB-9) connector, RS-232C interface.   I am totally confused, I
>>imagined it plugs into the wall and I plug the power cords of my devices
>>(at least the computers) into it.   What is this other connector for?
>>
>>4.  Just curious, why does it need to weigh 55 lbs?
>>
>>TIA
>>
>
>

You will have to read the instructions to find out specifics on charge
times and battery replacement intervals. Generally, the UPS is constantly
kept charged as long as it is plugged in an active outlet.

The 9-pin connector is for connecting the UPS to the serial port of your
computer so the operating system can be notified that the power has been
lost. This can be used to cause the computer to initiate a clean shutdown
when you lose power.

The weight comes from the lead-acid battery it contains. It is similar to a
small car battery.

Gregg

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