Motorola BSR 2000, Руководство по настройке и управлению

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Release 1.0 Configuring the CMTS
526360-001-00 Rev. B MGBI 6-55
Table 6-8 describes the upstream parameters:
Initial Upstream Configuration Tasks
Follow these tasks for the initial configuration of the upstream channel:
■
Setting the Upstream Frequency
■
Setting the Upstream Power Level
■
Enforcing the Upstream CM Rate Limit
■
Enabling an Upstream Port
■
Entering a Description of the Upstream Port
Table 6-8 Upstream Parameters
Parameter Identification Default Value
Channel Width Radio frequency
channel width 1,600,000 Hz
(1280 ksps)
200000, 400000, 800000,
1600000, 3200000 Hz
(160, 320, 640, 1280, 2560
ksps)
Data Backoff Initial ranging
backoff fixed
start and end
values Start 2
End 8
Start 0 to 15
End 0 to 15
Automatic
Frequency Center
frequency for
CM use None 5,000,000 to 42,000,000 Hz
Minislot Size Port minislot
size in number
of time ticks 4 ticks
(64 symbols)
2, 4, 8, 16, 32, 64 ticks
(32, 64, 128, 256, 512, 1024,
2048 symbols)
Modulation Profile Physical layer
profile
characteristics 5 1 to 16
Power Level Input power
level 0 -16 dBmV to +26 dBmV
Range Backoff Initial ranging
backoff start and
end values Start 0
End 4
Start 0 to 15
End 0 to 15
Automatic