BelAir100SN Installation Guide Infrastructure Requirements for the BelAir100SN
May 18, 2010 Confidential Page 10 of 75
Document Number BDTK11001-A01 Preliminary
Cable Modem Transmitter Specifications
Tab l e 2 shows the cable modem transmitter characteristics.
Maximum speed • 38 Mbps (64 QAM) / 43 Mbps
(256 QAM) DOCSIS
• 5120 kbps / 10 Mbps (QPSK /
16 QAM) DOCSIS
• 41.4 Mbps (64 QAM) /
55.2 Mbps(256 QAM) EuroDOCSIS
• +171.52 (+152) Mbps with four DS
channel bounding (DOCSIS)
• +222.48 (+200) Mbps with four DS
channel bounding (EuroDOCSIS)
Frequency range • 91 to 857 MHz ±30 kHz (Center)
DOCSIS
• 108 to 862 MHz ±30 kHz (Edge)
EuroDOCSIS
• 93 to 767 MHz ±30 kHz (Center)
DOCSIS-J
• 50 MHz to 1002 MHz (DOCSIS)
Bandwidth 6 MHz (DOCSIS, DOCSIS-J)
8 MHz (EuroDOCSIS)
6/8 MHz (DOCSIS and EuroDOCSIS dual mode)
Table 1: Cable Modem Receiver Characteristics (Continued)
Characteristic DOCSIS 2.0 DOCSIS 3.0
Table 2: Cable Modem Receiver Characteristics
Characteristic DOCSIS 2.0 DOCSIS 3.0
Modulation TDMA: QPSK, 8 QAM, 16 QAM,
32 QAM, 64 QAM
S-CDMA: QPSK, 8 QAM, 16 QAM, 32
QAM, 64 QAM, 128 QAM
QPSK, 8 QAM, 16 QAM, 32 QAM,
64 QAM and 128 QAM
Maximum speed 320, 640, 1280, 2560, 5120 kbps
(QPSK)
640, 1280, 2560, 5120, 10240 kbps (16
QAM)
+122.88 (+108) Mbps with four US
channel bounding
(DOCSIS / EuroDOCSIS)
