Upstream – ARRIS SB6141 User Guide User Manual

Page 21

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SB6141 DOCSIS 3.0 Cable Modem • User Guide

16

582613-001-a

Upstream

Modulation

QPSK and 8, 16, 32, 64, 128 QAM

Maximum Channel Rate*

DOCSIS

131.072 Mbps (4 channels) / 32.768 Mbps (single channel): @ 128 QAM at 6.4 MHz

EuroDOCSIS

131.072 Mbps (4 channels) / 32.768 Mbps (single channel): @ 128 QAM at 6.4 MHz

Channel Width

200 kHz, 400 kHz, 800 kHz, 1.6 MHz, 3.2 MHz, 6.4** MHz

Symbol Rates

160, 320, 640, 1280, 2560, 5120** ksym/s

Operating Level Range

Level range per channel (Multiple Transmit Channel mode disabled, or only Multiple

Transmit Channel mode enabled with one channel in the TCS)

DOCSIS/EuroDOCSIS

TDMA

Pmin to +57 dBmV (32 QAM, 64 QAM)

Pmin to +58 dBmV (8 QAM, 16 QAM)

Pmin to +61 dBmV (QPSK)


S-CDMA

Pmin to +56 dBmV (all modulations), where:

Pmin = +17 dBmV, 1280 kHz modulation rate

Pmin = +20 dBmV, 2560 kHz modulation rate

Pmin = +23 dBmV, 5120 kHz modulation rate

Level range per channel (two channels in the TCS)

TDMA

Pmin to +54 dBmV (32 QAM, 64 QAM)

Pmin to +55 dBmV (8 QAM, 16 QAM)

Pmin to +58 dBmV (QPSK)


S-CDMA

Pmin to +53 dBmV (all modulations), where:

Pmin = +17 dBmV, 1280 kHz modulation rate

Pmin = +20 dBmV, 2560 kHz modulation rate

Pmin = +23 dBmV, 5120 kHz modulation rate

Level range per channel (three or four channels in the TCS)

TDMA

Pmin to +51 dBmV (32 QAM, 64 QAM)

Pmin to +52 dBmV (8 QAM, 16 QAM)

Pmin to +55 dBmV (QPSK)


S-CDMA

Pmin to +53 dBmV (all modulations), where:

Pmin = +17 dBmV, 1280 kHz modulation rate

Pmin = +20 dBmV, 2560 kHz modulation rate

Pmin = +23 dBmV, 5120 kHz modulation rate

Output Impedance

75

Ω (nominal)

Frequency Range

DOCSIS 5-42 MHz (edge to edge), EuroDOCSIS and optional

DOCSIS 5 to 65 MHz (edge to edge)

Compatibility

PC: 90496, Pentium, or later; Windows 7, Vista, 2000, or XP or Linux

®

with Ethernet

connection (older versions of Windows, although not specifically supported, will work

with this cable modem)

Macintosh: Power PC or later; OS 10.4 or higher, Ethernet connection

UNIX: Ethernet connection


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