3. Installation
3.5 Communication ports
Connection of RS232 or USB communication port
The RS232 and USB communication ports cannot operate simultaneously.
4
23
22
5
Installation of the communication cards (optional)
2
Characteristics of the contact RS232 communication port
When a signal is activated, the contact is closed between the common (pin 2) and the pin for the corresponding
signal.
Contact characteristics (optocoupler)
• Voltage: 48 V DC max
• Current: 25 mA max
• Power: 1.2 W
1. Connect the RS232 (22) or USB
(23) communication cable to
the serial or USB port on the
computer equipment.
2. Connect the other end of the
communication cable (23) or
(22) to the USB (5) or RJ45
(4) communication port on the
UPS.
The UPS can now communicate
with EATON power management
software.
It is not necessary to shut down
the UPS before installing a
communication card.
1. Remove the slot cover (2)
secured by screws.
2. Insert the communication card
in the slot.
3. Secure the card cover with the
2 screws.
• Pins 1, 3, 4, 5, 6, 10: not used
• Pin 2: common (user)
• Pin 7: low battery
• Pin 8: operation on battery
power
• Pin 9: UPS ON, equipment
supplied
n.o.: normally open contact
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