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Appendix A Specifications
DSAM Product Family Specifications
Table 8 Product Specifications (Continued)
Item
Downstream QAM Demodulation
Modulation Type
Input Range (Lock Range)
BER (Bit Error Rate)
MER (Modulation Error Ratio)
58
Description
64, 128
Annex A, B, or C (selectable)
d
-15 to +50 dBmV total integrated power
from:
57-1000 MHz (42 MHz Diplexer 6 MHz
Channel spacing)
83-1000 MHz (65 MHz Diplexer 6 MHz
Channel spacing)
108-1000 MHz (85 MHz Diplexer
6 MHz Channel spacing)
58-1000 MHz (42 MHz Diplexer 8 MHz
Channel spacing)
84-1000 MHz (65 MHz Diplexer 8 MHz
Channel spacing)
109-1000 MHz (85 MHz Diplexer
8 MHz Channel spacing)
e
Pre and Post FEC: 10
h
Range 64 QAM: 21 to 45 dB
Accuracy: ± 2 dB (Up to 40 dB typical)
Range 128 QAM: 25 to 45 dB
Accuracy: ± 2 dB (Up to 40 dB typical)
Range 256 QAM: 28 to 45 dB
Accuracy: ± 2 dB (Up to 40 dB typical)
DSAM Product Family Quick-Start Guide Rev. 001
c
, and 256 QAM, ITU-T J.83
-4
-9
to 10
i
h
i
h
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h
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