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Operation manual
www.zigor.com
34
Connection between PC USB port and UPS USB port (Table 5-3).
PC USB port
UPS USB port
DESCRIPTION
Pin 1
Pin 1
PC : +5V
Pin 2
Pin 2
PC : DPLUS signal
Pin 3
Pin 3
PC :DMINUS signal
Pin 4
Pin 4
Signal ground
Table 5-3 USB connection
Available function of USB
•
Monitor UPS power status.
•
Monitor UPS alarm info.
•
Monitor UPS running parameters.
•
Timing off/on setting.
5.8.2
RS232 communication port
Communication data format
•
Baud rate:
9600bps
•
Byte length: 8bit
•
Stop bit:
1bit
•
Parity check: none
Fig. 5-13 RS232 pinout definition
Connection between PC RS232 port and UPS RS232 port (Fig. 5-13 and Table 5-4):
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
Table 5-4 Connection RS232 port
Available function of RS232
•
Monitor UPS power status.
•
Monitor UPS alarm info.
•
Monitor UPS running parameters.
•
Timing off/on setting.
WARNING
USB and RS232 interface cannot be used at the same time; it can only be used one of them at one time.