Juniper Networks G10 CMTS manual Docsis Service

Additional Characterization Tables

•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?	____ yes ____ no
•
	If yes, FEC level parameters (T and K)	____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?	____ yes ____ no
•
	If yes, FEC level parameters (T and K)	____ 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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86 JUNOSg 3.0 G10 CMTS Hardware Guide