Cisco UBR7225VXR, Руководство по установке оборудования

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Cisco uBR7225VXR Universal Broadband Router Hardware Installation Guide
OL-17309-01
Chapter 4 Connecting the Cisco uBR7225VXR Router to the Cable Headend
Measuring the RF Signal at the Forward Test Point on a Laser Transmitter
Figure 4-45 Downstream Forward Test Point on the Laser Transmitter—Video Channel Display
Step 3
Select the carrier level (or amplitude) function. Figure 4-46 shows the detailed display of the analog
carrier level and frequency screen for the channel 48 (in this example).
Figure 4-46 Downstream Forward Test Point on the Laser Transmitter—Detailed Video Channel
Display
Step 4 Return to the main menu on your spectrum analyzer.
Step 5
Select a digital channel to measure. In the example in Figure 4-47 , the digital channel shown is
channel 50.