Power Supply Module
Introduction
The Model GS7000 Optical Hub is powered by one or two power supplies. If two
power supplies are installed and both are active, the load is shared equally between
them.
An AC segmentable shunt is available to separate the AC connection to port 3 from
that of port 6. This allows the hub to be configured where one power supply is
powered from port 3 and the second power supply is powered from port 6.
Power Supply Module Description
The power supply module converts a quasi-square wave, 50 – 60 Hz AC input
voltage into four well-regulated DC output voltages. The supply is an off-line,
switched-mode power supply with a large operative input range. This reduces
service outages by converting long duration AC surges into load power. The power
supply is a constant power device, meaning that it automatically adjusts its internal
operating parameters for the most efficient use of the different levels of input voltage
and current it will receive within the cable plant.
The DC output voltages generated by the power supply, at given load currents, are
shown below:
+24.5 VDC @ 6.2 Amps
+8.5 VDC @ 1.0 Amps
+5.5 VDC @ 1.3 Amps
-6.0 VDC @ 0.8 Amps
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