Cable Modem - Motorola SBG900 User Manual

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Cable Modem

Downstream
Modulation
Maximum data rate
Frequency
Bandwidth
Maximum symbol rate
Operating level range
Input impedance
Frequency range
Upstream
Modulation
Modulation rate
(nominal)
Maximum data rate
Bandwidth
Frequency
Symbol rates
Operating level range
(one channel)
Output impedance
Output return loss
General
Cable interface
CPE network interface
Data protocol
Home Print
Configuration: Basic Gateway TCP/IP Wireless USB
64 QAM or 256 QAM
38 Mbps
88 MHz to 860 MHz (30 kHz minimum step size)
6 MHz
5.069 Msym/s (64 QAM)
5.361 Msym/s (256 QAM)
-15 dBmV to +15 dBmV
75 ohms (nominal)
88 to 860 MHz
QPSK, 16 QAM, 32 QAM, 64 QAM, or 128 QAM
TDMA: 160, 320, 640, 1280, 2560, and 5120 KHz
S-CDMA: 1280, 2560, and 5120 KHz
30 Mbps
TDMA: 200, 400, 800, 1600, 3200, and 6400 kHz
S-CDMA: 1600, 3200, and 6400 kHz
5 MHz to 42 MHz (edge to edge)
160, 320, 640, 1280, and 2560 ksym/s
TDMA:
• +8 dBmV to +54 dBmV (32 QAM, 64 QAM)
• +8 dBmV to +55 dBmV (8 QAM, 16 QAM)
• +8 dBmV to +58 dBmV (QPSK)
S-CDMA:
• +8 dBmV to +53 dBmV (all modulations)
75 ohms nominal
> 6 dB (5 to 42 MHz)
F-Connector, female, 75 ohm
USB, Ethernet 10/100Base-T (auto sensing)
TCP/IP
X
104
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SBG900 User Guide