Juniper-networks G10 CMTS Manual do Utilizador descarregar pdf (Página 102)

Additional Characterization Tables

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JUNOSg 3.0 G10 CMTS Hardware Guide

86

Table 35: Existing DOCSIS Service Characterization

Parameter Value

____ DOCSIS Service

Upstream RF bandwidth allocated ____ MHz (max) ____ MHz (min)

Upstream modulation type ____ QPSK ____ 16QAM

Upstream input level expected at CMTS ____ dBmV

FEC enabled?

If yes, FEC level parameters (T and K)

____ yes ____ no

____T ____ K

Upstream measured C/N ____ dB

Downstream RF bandwidth allocated ____ MHz (max) ____ MHz (min)

Downstream modulation type ____ 64QAM ____256QAM

Downstream output signal level (relative to analog video) ____ dB

Downstream measured C/N ____ dB (DOSCIS carrier)

____ dB (Analog video carrier)

Downstream interleave depth setting ___ (# of taps) ____(increments)

____ DOCSIS Service

Upstream RF bandwidth allocated ____ MHz (max) ____ MHz (min)

Upstream modulation type ____ QPSK ____ 16QAM

Upstream input level expected at CMTS ____ dBmV

FEC enabled?

If yes, FEC level parameters (T and K)

____ yes ____ no

____ T ____ K

Upstream measured C/N ____ dB

Downstream RF bandwidth allocated ____ MHz (max) ____ MHz (min)

Downstream modulation type ____ 64QAM ____256QAM

Downstream output signal level (relative to analog video) ____ dB

Downstream measured C/N ____ dB (DOSCIS carrier)

____ dB (Analog video carrier)

Downstream interleave depth setting ___ (# of taps) ____(increments)

1 2 ... 97 98 99 100 101 102 103 104 105 106 107 ... 209 210

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