Chapter 11 Measure Mode – Sweep Tab
Forward Sweep
274 DSAM Help User Guide Rev. 001
The ideal sweep results at the output of each amp is a flat response
graph centered at 0 dB delta reference, assuming the goal is zero gain
across the entire distribution network.
With Forward Sweep, the DSAM performs as a passive analysis
receiver. It does not transmit any sweep pulses or telemetry. The
headend transceiver does all the active work and communicates the
headend measurement results over telemetry to the field DSAM for
comparison to the local measurements on DSAM.
Forward Sweep is accomplished with a transceiver and measurement
system in the headend or hub site, such as the SDA-5500 Stealth
Sweep Transceiver. It transmits and measures active sweep points as
well as measures reference carriers. Multiple field DSAMs can be
used at the same time with a common SDA-5500. Typically, the
headend technician or network engineer is responsible for an accurate
forward sweep plan within the SDA-5500 transceiver.
Running a
Forward Sweep
To run a forward sweep
1 Press Measure.
2 Press the Sweep softkey.
3 Using the arrow keys, select Forward Sweep.
4 Press ENTER.
Figure 248 Measure Mode – Sweep Tab
21128026 R001 DSAM Help User Guide.book Page 274 Thursday, February 5, 2009 2:02 PM
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