Cables to Go DOCSIS Cable Modem Installationshandbuch PDF herunterladen (Seite 15)

SURFboard SB6180 DOCSIS 3.0 Cable Modem • Installation Guide 10

570878-001-b

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 9 or higher, Ethernet connection

UNIX: Ethernet connection

Home Networking: Ethernet router or wireless access point

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