Cisco Cisco 1 GHz GainStar Node Installation Guide

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Balancing and Setup 
    4042027 Rev A 
Preparing for Forward Path Balancing 
Before You Begin 
Before you begin balancing, it is important to review and understand the following 
information. This information will show you which balancing process is appropriate 
for your node. 
Before balancing, make sure you have configured the node module according to the 
specifications in your design print and that the node has warmed up for 
approximately one hour. The table below shows the items needed for balancing. 
You need a ...   
To ...   
Copy of the design print 
 
Determine expected input and output 
signal levels. 
Torque wrench with 1/2-inch 
socket 
Open and close the system node housing.   
Spectrum analyzer or signal 
analysis meter capable of 
working with frequencies up to 
the highest design frequency 
Determine absolute and relative signal 
levels. 
 
Test point probe (part number 
1010409) 
Access the test points. 
 
Length of 75 ohm coaxial cable 
with F-connectors on each end 
Connect the test point probe to the test 
equipment.