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.

 

Cisco uBR7225VXR Universal Broadband Router Hardware Installation Guide

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Cisco Systems UBR7225VXR specifications OL-17309-02