Installation Manual

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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 4-17 Viewing the Downstream RF Signal on a Spectrum Analyzer in CATV Mode—Initial
Screen
Step 7
Advance to the last of the three screens in this display. Your analyzer should display a signal similar to
the one shown in Figure 4-18.
Figure 4-18 Viewing the RF Signal on a Spectrum Analyzer in CATV Mode—Preliminary Digital
Channel Power Screen
Step 8
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 4-19.