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Cisco uBR7225VXR Universal Broadband Router Hardware Installation Guide
OL-17309-02
Chapter 4 Connecting the Cisco uBR7225VXR Router to the Cable Headend
Measuring the Downstream RF Signal
Figure 4-12 Viewing the Downstream IF Signal on a Spectrum Analyzer in CATV Mode—Initial
Screen
Step 4 Advance to the last of the three screens in this display. Your analyzer should display a signal similar to
the one shown in Figure 4-13.
Figure 4-13 Viewing the IF Signal on a Spectrum Analyzer in CATV Mode—Preliminary Digital
Channel Power Screen
Step 5
Enter a digital channel to measure and select digital channel power. Your spectrum analyzer will display
a signal similar to the one shown in Figure 4-14.