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3. Installation
3.5 Communication ports
Connection of RS-232 or USB communication port (optional)
The RS-232 and USB communication ports cannot operate simultaneously.
Characteristics of the optocoupler RS-232 communications 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 Vdc max
• Current: 25 mA max
• Power: 1.2W
Installation of optional NMC Network Card
It is not necessary to shut down the UPS before installing a communication card.
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34
or
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33
or
1. Connect the RS-232(
USB (
or
) communication
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34
cable to the serial or USB port on
the computer equipment.
2. Connect the other end of the com-
munication cable to the USB
RS-232
communication port on
2
the UPS.
The UPS can now communicate with
HPE power management software.
• 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
1. Remove the mounting screws and
remove the slot cover
.
4
2. Insert the communication
card in the slot.
3. Secure the card cover with
the screws removed in Step 1.
or
) or
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33
or
1
792519-001 Edition 2
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