Hi Friends
We have some cisco DPC3825 cable modem and they are working fine with US docsis configuration.
We are trying to use these cable modem with Euro docsis but they are not ranging.
according to cisco dpc3825 datasheet we can use both Euro or US docsis with this box.
RF Downstream
Operating Frequency
Range
88 to 1002 MHz
Tuner
Frequency Range
88 to 1002 MHz
Tuner
(2) Frequency agile block tuners, 32 MHz bandpass each
Demodulation
8 demodulators, 4 per tuner, each demodulator;; 64 QAM or 256 QAM
Maximum Data Rate
8 downstream channels, each 6 MHz channel:
42.88 Mbps for 256 QAM and 30.34 Mbps for 64 QAM
Bandwidth
6 or 8
MHz
Operating Level Range
-15 to +15 dBmV
Input Impedance
75 ohms
Data Sheet
Page
6 of 8
Specification
Value
RF Upstream
Operating
Frequency
Range
5 to 42 MHz
, 5 to 65 MHz or 5 to 85 MHz
Transmitter Frequency
Range
5 to 42 MHz
, 5 to 65 MHz or 5 to 85 MHz
Upstream Transmission
4 upstream channels
Modulation
QPSK, 8 QAM, 16 QAM, 32 QAM, 64 QAM / ATDMA, 128 QAM
