Motorola SBG-940 User Guide - Page 121

Downstream, Upstream, General, USB, Ethernet 10/100Base-T auto sensing

Get Motorola SBG-940 PDF manuals and user guides View all Motorola SBG-940 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 121 highlights

Overview Installation Troubleshooting Contact FAQ Specifications Glossary License Configuration: Basic Gateway TCP/IP Wireless USB Downstream Modulation 64 or 256 QAM Maximum data ratea 38 Mbps Frequency range 88 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 to +15 dBmV Input impedance 75 ohms (nominal) Frequency range 88 to 860 MHz Upstream Modulation QPSK or 8b, 16, 32b, 64b, or 128b QAM Modulation rate (nominal) TDMA: 160, 320, 640, 1280, 2560, and 5120 KHz S-CDMA: 1280, 2560, and 5120 KHz Maximum data ratec Bandwidth 30 Mbps TDMA: 200, 400, 800, 1600, 3200, and 6400b kHz S-CDMA: 1600, 3200, and 6400 kHz Symbol rates 160, 320, 640, 1280, and 2560 ksym/s Operating level range (one channel) TDMA: • +8 to +54 dBmV (32 QAM, 64 QAM) • +8 to +55 dBmV (8 QAM, 16 QAM) • +8 to +58 dBmV (QPSK) S-CDMA: • +8 to +53 dBmV (all modulations) Output impedance 75 ohms nominal Frequency range 5 to 42 MHz (edge to edge) 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) CPE wireless interface IEEE 802.11g Data protocol TCP/IP a. Actual speed will vary. Upload and download speeds are affected by several factors including, but not limited to network traffic and services provided by your cable provider, computer equipment, server type, number of connections to the server, and the availability of Internet routers. b. With a CMTS supporting A-TDMA or S-CDMA only. c. Actual speed will vary. Maximum speed of 30 Mbps is only attainable with A-TDMA or S-CDMA technology. SBG940 User Guide 113

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
Overview
Installation
Troubleshooting
Contact
FAQ
Specifications
Glossary
License
Configuration:
Basic
Gateway
TCP/IP
Wireless
USB
SBG940 User Guide
113
Downstream
Modulation
64 or 256 QAM
Maximum data rate
a
38 Mbps
Frequency range
88 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 to +15 dBmV
Input impedance
75 ohms (nominal)
Frequency range
88 to 860 MHz
Upstream
Modulation
QPSK or 8
b
, 16, 32
b
, 64
b
, or 128
b
QAM
Modulation rate
(nominal)
TDMA: 160, 320, 640, 1280, 2560, and 5120 KHz
S-CDMA: 1280, 2560, and 5120 KHz
Maximum data rate
c
30 Mbps
Bandwidth
TDMA: 200, 400, 800, 1600, 3200, and 6400
b
kHz
S-CDMA: 1600, 3200, and 6400 kHz
Symbol rates
160, 320, 640, 1280, and 2560 ksym/s
Operating level range
(one channel)
TDMA:
•
+8 to +54 dBmV (32 QAM, 64 QAM)
•
+8 to +55 dBmV (8 QAM, 16 QAM)
•
+8 to +58 dBmV (QPSK)
S-CDMA:
•
+8 to +53 dBmV (all modulations)
Output impedance
75 ohms nominal
Frequency range
5 to 42 MHz (edge to edge)
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)
CPE wireless interface
IEEE 802.11g
Data protocol
TCP/IP
a.
Actual speed will vary. Upload and download speeds are affected by several factors including, but not limited to
network traffic and services provided by your cable provider, computer equipment, server type, number of
connections to the server, and the availability of Internet routers.
b.
With a CMTS supporting A-TDMA or S-CDMA
only.
c.
Actual speed will vary. Maximum speed of 30 Mbps is only attainable with A-TDMA or S-CDMA technology.