Adjusting The Downstream Docsis Signal Level - Huawei MA5833 Hardware Commissioning Manual

MA5833-DD60
Hardware Commissioning Guide
No.

5.2 Adjusting the Downstream DOCSIS Signal Level

Step 1 Test the downstream DOCSIS signal level at the test point of the RF OUT port.
Step 2 Adjust the level of the downstream DOCSIS signal through the attenuation bracket.
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The following figure shows the location of the test points and attenuation brackets.
For details, see the following table.
Bracket to Be Adjusted
ATT4
Issue 01 (2018-12-26)
Test point
TP.4
TP.2
TP.3
TP.7
Parameter to Be
Adjusted
Level of combined CATV
and downstream DOCSIS
signals.(Main)
Copyright © Huawei Technologies Co., Ltd.
5 Adjusting the Signal Level
Function
Tests level of the RF OUT3
port signal.
Tests level of output signals
of RX0.
Tests level of output signals
of RX1.
Tests level of combined
CATV and downstream
DOCSIS signals. (Main)
Default value (dB)
0
11