MGE UPS Systems S 1750 RT 2U - Manual (Page 10)

34008236EN/AA - Page 10
2. Installation
2.4 Communication ports
Connection of RS232 or USB communication port (optional)
Installation of the communication cards (optional, standard on the Netpack versions)
Characteristics of the contact communication port (optional)
The RS232 and USB communication ports cannot operate simultaneously.
1 - Connect the RS232 (33) or USB (34)
communication cable to the serial or USB
port on the computer equipment.
2 - Connect the other end of the
communication cable (33) or (34) to the USB
(1) or RS232 (2) communication port on the
UPS.
The UPS can now communicate with MGE
UPS SYSTEMS power management
software.
Limited-access slot for the
communication card
It is not necessary to shutdown the UPS
before installing a communication card.
1 - Remove the slot cover (4) 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
When a signal is activated, the contact is closed between the common (pin 4) and the pin for the corresponding signal.
Contact characteristics (optocoupler)
◗ Voltage: 48 V DC max
◗ Current: 80 mA max
◗ Power: 3.84 W
34
2
1
33
4
1 10 2 3 4 5 6
8 9 7
commun
n.o. n.o. n.o.