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Appendix 3 USB communication port definition
Definition of port
：
Connection between PC USB port and UPS USB port.
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
Available function of USB
◆
Monitor UPS power status
。
◆
Monitor UPS alarm info
。
◆
Monitor UPS running parameters
。
◆
Timing off/on setting
。
Communication data format
Baud rate ---------- 9600bps
Byte length ---------- 8bit
End bit ---------- 1bit
Parity check ---------non
CAUTION
！
USB & RS485 ports cannot be used at the same time.
Summary of Contents for YDC3300
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