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5-6kVA EU_EN
6. Communication
6.1  Communication ports
 z RS232 or USB communication ports
The RS232 and USB communication ports cannot operate simultaneously.
 z Relay output contacts
The UPS incorporates four programmable relay outputs; each information is available with a close or open 
contact.
1
6789
n.c. n.o. n.c.
common
n.o. n.o. n.c. n.o. n.c.
2345
Status active information: (if contact between pin and common is closed)
•  Pin 1: not on Bypass
•  Pin 2: load not protected
•  Pin 3: not low battery
•  Pin 4: not on Battery
•  Pin 5: user common
•  Pin 6: on Bypass
•  Pin 7: low battery
•  Pin 8: load protected
•  Pin 9: on Battery
•  n.o.: contact normally open
•  n.c.: contact normally closed
The relay output contacts must not be connected to any utility connected circuits.  
Reinforced insulation to the utility is required. The relay output contacts have a maximum rating 
of 250 Vac/5A.
16
17
1.  Connect the RS232 
16
 or USB 
17
 communication cable to  
the serial or USB port on  
the computer.
2. Connect the other end of the 
communication cable 
16
 or 
17
 to the RS232 
1
 or USB 
2
 
communication port on  
the UPS.
The UPS can now communicate 
with EATON power management 
software.