Motorola SBG900 User Manual download pdf (Page 110)

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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

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Motorola SBG900 User Manual Page 110