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Appendix 4 – RS-232 Communication Port
Port Definition:
Connection between PC RS232 port and UPS RS232 port
PC RS232 port
UPS RS232 port
Pin 2
Pin 2
UPS send, PC receive
Pin 3
Pin 3
PC send, UPS receive
Pin 5
Pin 5
ground
The RS-232 functionality:
◆
Monitor UPS power status.
◆
Monitor UPS alarm info.
◆
Monitor UPS operating parameters.
◆
Timing settings.
The Communication data format:
Baud rate ---------- 9600bps
Byte length ---------- 8bit
End bit ---------- 1bit
Parity check ---------none
CAUTION!
Either the USB or the RS-232
or
the RS-485 interface can be used.
Not more than one will function at a time.