General Information
Figure 2.8 on page 16
shows the connections for the Single-Phase Input/Single-Phase Output
configuration. When only one power branch is available, the backup input can be powered by
the same branch as the main input. However, the connection must be made directly through
the switch board panel, and it is not possible to interconnect terminals of the main network
with the backup network.
Neutral
Three-single configuration
N
N
N
+
N
-
Mains input
Reserve input
Output
Battery output
Figure 2.9: Connections for the Three-Phase Input/Single-Phase Output configuration
Figure 2.9 on page 17
shows the connections for the Three-Phase Input/Single-Phase Output
configuration, where the Reserve line input is fed separately.
2.12 UPS AUXILIARY CONNECTIONS
The communication interface is located at the rear of the UPS. The standard equipment consists
of the remote communication board and also the SNMP management board,
Figure 2.10 on
page
17.
Remote
communication
board SNMP
Board
Figure 2.10: Position of the communication boards (SNMP and RS232/RS485)
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