Cisco GainMaker Optoelectronic Node 1GHz with 65 86 MHz Split Installation Guide
Chapter 1 Introduction
Power Supply
The DC power supply has the following features.
Located in housing lid for ease of maintenance
AC and DC test points provided on both the power supply and the amplifier
board
Selectable AC undervoltage lockout feature
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The 40 volt lockout is for 60/90 volt systems (factory default)
-
The 50 volt lockout position can be selected for operation in 90 volt systems
(field configurable by moving a jumper)
Input and Output Ports
This amplifier has one optical input port and two or three RF output ports. The
number of output ports is determined by which one of the following is installed in
the plug-in signal director position:
Jumper
2-way splitter
8 dB directional coupler
12 dB directional coupler
Note: Either the Aux1 or Aux2 output port could be selected and the second output
port with the jumper accessory installed. The 2-way splitter, 8 dB coupler, and 12 dB
coupler activate both Aux1 and Aux2 ports.
Configuration
All GainMaker Node amplifier modules are configured with the following.
Diplex Filters
Reverse Amplifier
Forward Interstage Equalizer (Linear)
Forward Interstage and Output Attenuator Pads
RF Interface Board
Test Points
There are seven RF and four voltage test points on the node.
AC Shunt Power Directors
The node amplifier module has four AC shunt power directors located near the
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