User's Manual

User Manual Power UPS 500 Page 18
12 Storage
Store the UPS covered and placed upright in a cool place, with its battery fully charged.
Before storing charge the batteries for at least 24 hours. Disconnect any cables con-
nected to the computer interface port to avoid unnecessarily draining the battery.
Make sure that the UPS is switched off.
Storing the unit for longer than 3 months can reduce the life of the batteries. To
maintain the normal life expectancy, recharge the battery. For chargeing the battery refer
section 4.7.
13 Communications Port
The UPS to send information concerning power levels and UPS condition to the computer
The Software can monitor the following.
1. Mains Input voltage
2. Mains Input frequency
3. UPS Output voltage
4. UPS Output frequency
5. UPS Load %
6. Battery voltage
7. Backup time
8. Alarms
In the event of batteries near exhaustion, the UPS can send commands for unattended
controlled shutdown of computer systems. UPS can also receive shutdown command
from the computer. All these functions can be realised using host software such as “Safeware”/
”Rakshak” available from TVSE.
Safeware can be installed in IBM PC compatible and works in Windows platform. The
safeware can be down loaded from www.tvse.com
UPS should be connected to the host only through cables supplied by TVS-E. In the cable,the
label indicates which side requires to be connected to the UPS and which one to the PC.The
cable should be connected to the UPS DB9 port and PC comport.
Caution: Do not use any other serial interface cable, other than the one supplied along with the
UPS.