Cisco Cisco 1 GHz GainStar Node Installationsanleitung
Chapter 3 Balancing and Setup
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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 GainStar Mini Node.
Before balancing, make sure you have configured the mainboard according to the
specifications in your design print and that the GainStar Mini Node has warmed up
for approximately one hour. The table below shows the items needed for balancing.
information. This information will show you which balancing process is appropriate
for your GainStar Mini Node.
Before balancing, make sure you have configured the mainboard according to the
specifications in your design print and that the GainStar Mini 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.
levels.
torque wrench with 1/2-inch socket
open and close the system amplifier housing.
spectrum analyzer or signal analysis
meter capable of working with
frequencies up to the highest design
frequency
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.
75 ohm coaxial cable with F-connectors
on each end
on each end
connect the test point probe to the test
equipment.
equipment.