Juniper Networks G10 CMTS Network Card User Manual


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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)
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