![Keatec Energy T 3310E User Manual Download Page 40](http://html1.mh-extra.com/html/keatec-energy/t-3310e/t-3310e_user-manual_3850153040.webp)
KE 4256-3230 Keatec T Series UPS 10-40K 380Vac Users Guide English 20170126 This manual is for qualified personnel only.
Page 39
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 ---------none
CAUTION
!
USB, RS232 and RS485 interface cannot be used at the same time, only one
can be used at any time.