Specifications; Downstream; Upstream - Kathrein DCM 32 Mode D'emploi

Specifications

Specifications

Downstream

Demodulation
Input level
Input impedance
Return loss
DCM 32
Physical speed
Error correction
Frequency range
Band width
DCM 42 / 42 I
Physical speed
Error correction
Frequency range
Band width

Upstream

Access method
Modulation
Modulationsrate
Bandwidth
Output level
Max. Bitrate
Error correction
The DCM 32 corresponds to the specification
MCNS DOCSIS 1.0,1.1, 2.0. The DCM 42 corre-
sponds to the specification EURODOCSIS
1.0,1.1, 2.0.
64 QAM / 256 QAM
-15 dBmV to +15 dBmV
75 Ω
>6 dB from 88 MHz to 860 MHz
30 Mb/s (64 QAM) / 43 Mb/s (256 QAM)
Reed Solomon + Trellis (ITU-T J.83 Annex B)
88 MHz to 860 MHz (edge frequencies) in
62.5 kHz steps
6 MHz
42 Mb/s (64 QAM) / 56 Mb/s (256 QAM)
Reed Solomon (ITU-T J.83 Annex A)
108 MHz to 860 MHz (edge frequencies) in
250 kHz steps
8 MHz
TDMA, S-CDMA (DOCSIS 2.0)
QPSK, 8-,16-, 32- and 64QAM, 128QAM with S-CDMA only
TDMA: 160, 320, 640, 1280, 2560 und 5120 kHz
S-CDMA: 1280, 2560 and 5120 kHz
TDMA: 200, 400, 800, 1600, 3200 and 6400 kHz
S-CDMA: 1600, 3200 and 6400 kHz
TDMA:
+8 dBmV to 53 dBmV (32QAM, 64QAM)
+8 dBmV to 55 dBmV (8QAM, 16QAM)
+8 dBmV to 58 dBmV (QPSK)
S-CDMA:
+8 dBmV to 53 dBmV (all Modulations)
30 Mbit/s (with A-TDMA- or S-CDMA)
Reed Solomon
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