Electrical Specifications
78-4025112-01 Rev H0
253
Range
Channel edges between 45 and 1000 MHz
(tunable)
Step size
1 kHz
Stability
± 3 ppm
Accuracy
± 3 ppm
Channel bandwidth
6, 7 or 8 MHz depending on QAM standard
Level
Range
Quad Mode: 54 dBmV RMS Max per QAM
channel in 0.1 dB steps
Triple Mode: 55 dBm V RMS Max per QAM
channel on 0.1 dB steps
Dual Mode: 57 dBmV RMS Max per QAM
channel in 0.1 dB steps
Single Mode: 61 dBmV RMS Max per QAM
channel in 0.1 dB steps
Stability
± 1 dB
Accuracy
± 1 dB
Return loss
> 14 dB 45-750 MHz
> 13 dB 750-870 MHz
> 12 dB 870-1000 MHz
Per DOCSIS 3.0 DRFI specification CM-SP-
DRFI-103-060106
Signal Specifications
Item
Specification
Channel encoding
Randomization, Reed-Solomon, Trellis and
Interleaving according to ITU-T Annex A, B or
C
MER (before equalizer)
≥ 40 dB (at RF)
MER (after equalizer)
≥ 45 dB (at RF)
BER (256 QAM)
≤ 5x10-9 (ITU-A/C pre FEC)
≤ 1x10-13 (ITU-B pre FEC/post trellis)
Bandwidth
6, 7 or 8 MHz (transmission standard
depending)
QAM constellation
64 & 256 QAM
Содержание RF Gateway 1 Modules
Страница 1: ...78 4025112 01 R ev H0 Cisco RF Gateway 1 Configuration Guide ...
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Страница 10: ...Contents viii 78 4025112 01 Rev H0 Electrical GbE SFP Transceiver 254 Glossary 255 Index 259 ...
Страница 20: ...Important Safety Instructions xviii 78 4025112 01 Rev H0 ...
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Страница 156: ...Chapter 8 M CMTS Data DEPI CP Operation 132 78 4025112 01 Rev H0 Result Input monitoring is shown for each GbE port ...
Страница 165: ...Feature Page 78 4025112 01 Rev H0 141 Feature Page 1 Navigate to the Maps page 2 Select Unreferenced PID Maps ...
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Страница 257: ...Operational Considerations 78 4025112 01 Rev H0 233 Video Stream Map Editor Video Map Advanced Settings ...
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