Figure 2-3 Upstream Frequency/Power Search Pattern; Table 2-1 Configuration Commands And Parameters - ViaSat SurfBeam Installation And Configuration Manual

Command
downstream-
frequency
upstream-search
Figure 2-3 shows the search pattern based on the parameter values entered at the command line interface.
1
Power
Rev. B
SurfBeam Satellite Modem Installation and Configuration Guide

Table 2-1 Configuration Commands and Parameters

Parameter
Downstream Frequency
Value in Hz
Frequency Search Offset
(F )
MAX
Number of Frequency
Search Steps (F )
N
Max. Power in dBm (P
Min. Power in dBm (P
Number of Power Search
Steps (P )
N
(Number of Frequency Steps)
12...
6
11 5
10 4
Start at nominal upstream
frequency, and minimum power
(as specified by CLI entry)

Figure 2-3 Upstream Frequency/Power Search Pattern

VSD-200292-02-085
Specifies the downstream frequency used by the
SM to receive traffic.
The maximum offset frequency in Hz, from
nominal frequency, that the SM will use in its
search for upstream lock.
The total number of frequency appraisals to be
made over ± F
The highest power to be used in the upstream
)
MAX
search, in dBm (This is not necessarily equal to
the highest possible SM power output).
The lowest power to be used in the upstream
)
MIN
search, in dBm (This is not necessarily equal to
the lowest possible SM power output).
The total number of power levels to be appraised
between P
MIN
F
N
9
3
2 8
1
7
START
F
MAX
1
Purpose
range.
MAX
and P during upstream search.
MAX
P
MAX
P
MIN
Frequency
2-5