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3.
INSTALLING THE DM4610 OLT
This chapter explains procedures, recommendations and cautions regarding to DM4610 installation.
3.1.
INSTALLING THE CURRENT DISTRIBUTOR
The DM4610 may operate with one power supply or two power supplies.
On the redundant mode, there is a protection as to possible faults and power drops on the main power
supply, in this case is important connect them in diferent electrical circuits to avoid that two energy sources
do not turn off simultaneously.
Electrical connections must consider the model of power supply acquired, as shown below.
Model
Description
PSU 120 AC
Only AC input voltage
PSU 120 DC
Only DC input voltage
Power Supply models
For more technical information about PSU models, see the chapters
In some electrical connections, it may need to cut the cable next to the male connector to make calls directly
from bus bar or circuit breakers, in this case it is mandatory to connect the green wire to the protective gound
bar the other wires do not require polarization.
IEC-320 connector
According to the NBR 14136 standard, the ground pin should be connected to the ground of the installation
protection, since the other pin no need to polarity.
Chassis Ground Connector