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Appendix 1. RS232 communication port
definition
Definition of Male port
：
Pin 2 receive, pin 3 send,
Pin 5 ground, others floating
Connection between PC RS232 port and UPS RS232 port
PC --------------------- UPS
RDX 2<------------------- TX 2
TDX 3--------------------> RX 3
GND 5--------------------- GND 5
Available function of RS232
■ Monitor UPS power status
■ Monitor UPS alarm info
■ Monitor UPS running parameters
■ Timing off/on setting
RS-232 communication data format
Baud rate ---------- 2400bps
Byte length ---------- 8bit
End bit ---------- 1bit
Parity check ---------- Null
