Motorola SBG900 - Manual (Page 110)

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