Caution: Use only factory supplied or authorized UPS monitoring cable !
8. Maintenance
1. Keep the unit clean and vacuum the ventilation intake periodically.
2. Wipe with soft loose and damp cloth.
3. Check for loose and bad connections monthly.
4. Never leave the unit on an uneven surface.
5. Position the unit to allow at least 10 cm clearance between the rear panel and
the wall. Keep the ventilation intake open.
6. Avoid direct sunlight, rain. And high humidity.
7. Stay away from fire and extremely hot location.
8. Do not stack materials on top of the unit.
9. The unit should not be exposed to corrosive air.
10. The normal operating temperature is 0-40 .
9. Computer Interface Port
The computer interface port has the following characteristics:
The communication port on the back of the UPS may be connected to host
computer. This port allows the computer to
monitor the status of the UPS and control the operation of the UPS in some
cased. Its major functions normally include
some or all of the following:
to broadcast a warning when power fails.
to close any open file before the battery reserves are exhausted.
to turn of the UPS.
Some computers are equipped with a special connector to link with the
communication port. In addition, special plug-in
card may be needed. Some computers may need a special UPS monitoring
software. Contact your dealer for the details on
the various interface Kits.
The computer interface port has the following characteristics:
1. Pin 5 and 2 are open collector outputs which must be pulled up to a
common referenced supply no greater than +40 Vdc.
The transistors are capable of a maximum nonconductive load of 25 mAdc, Use
only pin 7 as the common.