Page 13
792518-001 Edition 2
ENGLISH
ENGLISH
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
commu-
nication port on
the UPS.
The UPS can now communicate
with HPE power management
software.
Installing the communication cards
It is not necessary to shut down the UPS 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 correspon-
ding signal.
Contact characteristics (optocoupler)
• Voltage: 48 Vdc max
• Current: 25 mA max
• Power: 1.2W
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