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5. Maintenance
5.1 Maintenance Tools/Equipments
1. A computer with a serial port and a standard RS232 cable;
2. A multimeter and a current meter (clamper); If possible, an oscilloscope with appropriate
probes or other kinds waveform displayer can provide great help to the maintenance task
in most case.
3. An Output DC balance (DC-offset) test fixture, a discharge resistors for discharger
residual charge on the CAPs inside the UPS.
4. A tool box include: Wire cutters and clamps of different shape, Cross screwdrivers
Straight screw drivers, sleeve spanner of difference diameter, solder iron, and solder
sucker, PVC insulating tapes etc.
5. Boxes or cases for carrying spare board or parts.
5.2 Common Operation used in Maintenance
5.2.1 Query & Setting the UPS status With Hyper Terminal
5.2.1.1 Setup of Hyper terminal:
Run the Hyper terminal by clicking” Start/Program/Accessory/Communication/Hyper terminal” :
and create a new connection using COM1 or COM2 as figure 5.2.1.1.a:
Figure 5.2.1.1.a
Summary of Contents for Elipse Series
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