Xtreme 20kVA - Communication Port Definitions (RS232, RS485)

R90 ONLINE USER’S MANUAL UNINTERRUPTIBLE POWER SUPPLY (UPS)
Xtreme Power Conversion Corporation (Rev 3/7/14) Page 33
Communication Port Definitions (RS232, RS485)
Definition of the Port
Connection between PC RS232 port and UPS RS232 port
PC RS232 port
UPS RS232 port
Description
Pin 2
Pin 2
UPS send, PC receive
Pin 3
Pin 3
PC send, UPS receive
Pin 5
Pin 5
Ground
Connection between the computer RS485 port and UPS RS485 port
PC (DB9 male)
UPS (DB9 female)
Description
Pin 1
Pin 1
485 “-“
Pin 6
Pin 6
485 “

”
Available function of RS232
• Monitor UPS power status
• Monitor UPS alarm information
• Monitor UPS running parameters
• Timing Off / On setting
RS-232 communication data format
Baud rate = 9600bps
Byte length = 8bit
End bit = 2bit
Parity check = none