PowerWalker Battery Pack for VI 1000_1500RT LCD - Manual (Page 25)

EN
5. Communication Port
5.1 RS-232 and USB Communication Ports
To establish communication between the UPS and a computer, connect your
computer to one of the UPS communication ports using an appropriate
communication cable.
When the communication cable is installed, power management software can
exchange data with the UPS. The software polls the UPS for detailed information on
the status of the power environment. If a power emergency occurs, the software
initiates the saving of all data and an orderly shutdown of the equipment.
The cable pins for the RS-232 communication port are identified as below, and the
pin functions are described in Table 6.
Table6. DB9 Female (RS232 +dry contact)
PIN # Description I/O Function Explanation
1 BATLOW Output Battery low
2 RXD input RXD
3 TXD Output TXD
4 DTR Input N/A
5 Common -- Common (tied to chassis)
6 DTR Input N/A
7 RING Output Ring
8 LNFAIL1 Output Line fail
RS232 Communication Port
5.2 Emergency Power Off (EPO)
EPO is used to shut down the load from a distance. This feature can be used for
shutting down the load on Emergency.
1kVA E-model has no EPO function
Warning:
This circuit must be separated from hazardous voltage circuits by reinforced
insulation.