Cisco 7246 - uBR Router Hardware Installation Manual page 114

Measuring the Downstream RF Signal
Figure 4-15
Measure the IF signal using the channel power option on your spectrum analyzer. Set your channel
Step 5
spacing and your channel bandwidth to 6 MHz. Your analyzer should display a signal similar to the one
shown in
Figure 4-16
The IF channel power in
Note
Select the video averaging feature. Your spectrum analyzer should display a signal similar to the one
Step 6
shown in
Cisco uBR7200 Series Universal Broadband Router Hardware Installation Guide
4-18
Viewing the Downstream IF Signal on a Spectrum Analyzer
Figure 4-16.
Measuring the IF Channel Power
Figure 4-16
Figure 4-17.
Chapter 4 Connecting the Cisco uBR7200 Series Router to the Cable Headend
is +34.23 dBmV, as displayed on the spectrum analyzer.
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