Page 14
881627-002 Edition 3
3. Installation
3.5 Communication ports
Connecting RS-232 or USB communication port
The RS-232 and USB communication ports cannot operate simultaneously.
2
1
5
6
1.
Connect the RS-232
5
or USB
6
communication cable to
the serial or USB port on
the computer equipment.
2.
Connect the other end of
the communication cable
to the USB
1
or RS-232
2
communication port on
the UPS.
The
UPS
can now communicate
with HPE power management
software.
Installing the communication card
The UPS does not have to be powered down before installing a communication card.
3
1.
Remove the slot cover
(3).
2.
Insert the communication
card in the slot.
3.
Secure the card cover with
the two screws you removed
in Step 1.
Characteristics of the optocoupler RS-232 communications port
•
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
no: normally open contact
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 Vdc max
•
Current: 25 mA max
•
Power: 1.2W
