General Instrument SURFboard SB3100 User manual

SB3100
Cable Modem
Installation Manual
SURFboard®

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Upgrading the Firmware ................................................................................................................. 3-10
Upgrading the SB3100 Over the Cable Network ......................................................................... 3-11
Upgrading the SB3100 Using SNMP ......................................................................................... 3-12
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8SVWUHDP $
*HQHUDO$
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(YHQW/RJ0HVVDJHV
(YHQW0HVVDJH)RUPDW%
3ULRULW\/HYHOV %
3UHGHILQHGORJPHVVDJHV%
SP-RFI_I04-980724 – Error Codes for MAC Management Messages...................................................... B-2
SYNC Timing Synchronization.....................................................................................................B-2
UCD Upstream Channel Descriptor ............................................................................................. B-2
MAP Upstream Bandwidth Allocation .......................................................................................... B-2
RNG-RSP Ranging Response...................................................................................................... B-3
RNG-REQ Ranging Request ........................................................................................................ B-3
REG-REQ Registration Request................................................................................................... B-3
REG-RSP Registration Response................................................................................................. B-5
UCC-REQ Upstream Channel Change Request .............................................................................. B-5
UCC-RSP Upstream Channel Change Response............................................................................ B-5
DHCP CM Net Configuration download and Time of Day................................................................ B-6
Baseline Privacy....................................................................................................................... B-6
6%6SHFLILF/RJ0HVVDJHV%
Baseline Privacy....................................................................................................................... B-7
DHCP / TFTP .......................................................................................................................... B-10
Filtering................................................................................................................................. B-12
Driver.................................................................................................................................... B-17
Registration ........................................................................................................................... B-18
Miscellaneous........................................................................................................................ B-18
Acquisition ............................................................................................................................ B-19
Unit Update ........................................................................................................................... B-20
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)LJXUH6%IURQWSDQHO  
)LJXUH6%GDWDSDWK 
)LJXUH6%IURQWSDQHO  
)LJXUH5HDUSDQHOFRQQHFWLRQV 
)LJXUH&DEOHFRQQHFWLRQV 
)LJXUH0XOWLSOHXVHUFRQQHFWLRQV  
)LJXUH1HWZRUNZLQGRZ 
)LJXUH1HWZRUN&RPSRQHQW7\SHZLQGRZ  
)LJXUH6HOHFW1HWZRUN3URWRFROZLQGRZ  
)LJXUH1HWZRUNZLQGRZZLWK7&3,3VHOHFWHG 
)LJXUH7&3,33URSHUWLHVZLQGRZ  
)LJXUH5XQGLDORJER[ 
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The General Instrument SURFboard®SB3100 cable modem provides the link from the home or
business computer to a high-speed DOCSIS 1.0 or 1.1 compliant data network. This network
provides a downstream data-transfer rate up to 38 Mbps in a single 6 MHz channel using 64
and 256 QAM technology. A DOCSIS RF return path provides up to 10 Mbps using QPSK and
16 QAM.
The SB3100 features:
 
Remote management through SNMP or internal Web pages
 
Automatic configuration and address assignment
 
Software upgrades over the network
 
Compatibility with PCs, Macintosh, and UNIX® operating system computers running TCP/IP
protocol
 
Extensive event logs for troubleshooting
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The following sections provide information and instructions to install, configure, and operate the
SB3100.
Section 1 Introduction provides a product description, the technical helpline, and repair/return information.
Section 2 Overview describes the functions of the SB3100 and identifies the front-panel LEDs and the rear-panel
connectors.
Section 3 Installation and Operation provides instructions on how to install the SB3100.
Section 4 HTML User Interface provides information on the user interface windows.
Section 5 Troubleshooting provides troubleshooting tips.
Appendix A Specifications provides the technical specifications for the SB3100.
Appendix B Events Log Messages provides a description of the format and field codes of the diagnostic events log.
Abbreviations and
Acronyms
The Abbreviations and Acronyms list contains the full spelling of the short forms used in this manual.
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Before you begin using the SB3100, familiarize yourself with the stylistic conventions used in
this manual:
Bold type Indicates text that you must type exactly as it appears or indicates a default value
SMALL CAPS Denotes silk screening on the equipment, typically representing front- and rear-panel controls and input/output
(I/O) connections, and LEDs
Italic type Denotes a displayed variable, a variable that you must type, or is used for emphasis
.(<  .(<
Key combinations indicating that you hold down the first key and then press the second key
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Indicates text displayed on a graphical user interface (GUI)
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If you need assistance while working with the SB3100, call the General Instrument Technical
Response Center (TRC) at 1-888-944-HELP (1-888-944-4357). The TRC is open from 8:00 AM
to 7:00 PM Eastern Time, Monday through Friday. When the TRC is closed, emergency service
only is available on a call-back basis.
When contacting the TRC from outside the United States, call the main switchboard number,
1-215-323-1000, and ask for extension 4200.

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If repair is necessary, call the General Instrument Repair Facility at 1-800-227-0450 for a
Return for Service Authorization (RSA) number before sending the unit. The RSA number must
be prominently displayed on all equipment cartons. The Repair Facility is open from 8:00 AM to
5:00 PM Central Time, Monday through Friday.
When calling from outside the United States, use the appropriate international access code and
then call 956-541-0600 to contact the Repair Facility.
When shipping equipment for repair, follow these steps:
  Pack the unit and accessories securely in the original shipping carton, if possible.
  Enclose a note describing the exact problem or complete the Troubleshooting checklist in
Section 5, Troubleshooting. Enclose a copy of the invoice that verifies the warranty status.
  Ship the unit PREPAID to the following address:

General Instrument Corporation
Attn: RSA #___________

5964 E. 14th Street
Brownsville, TX 78521

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The SB3100 cable modem delivers digital multimedia content in a two-way transmission
system. It provides access to a data network running over the cable system, which provides
access to the worldwide web.
The SB3100 is authorized by the Cable Modem Terminations System (CMTS) for use on the
network and automatically configures itself with the parameters received from the CMTS or
headend. When the SB3100 is powered on, it scans the frequency spectrum to locate the data
frequency and then automatically locks on to that channel. After finding the data channel, it
searches for a message containing the upstream parameters such as frequency, modulation,
symbol rate and forward error correction (FEC) format. The SB3100 then transmits a message
to the CMTS requesting additional information that enables network connection. Through a
series of messages, the SB3100 establishes Internet Protocol (IP) connectivity using Dynamic
Host Configuration Protocol (DHCP) and then receives a configuration file using the Trivial File
Transfer Protocol (TFTP). This configuration file contains additional parameters that are
required by the SB3100. When the configuration is complete, the SB3100 registers with the
CMTS and is authorized to use the network.
Figure 2-1 illustrates SB3100 data path:
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10Base-T
Internet
IF RF
RF
RF
HFC plant
Upconverter
Client PC
SB3100
external
cable
modem
Diplex
filter
CMTS
Network
management
services
Customer premises
equipment
10Base-T
The SB3100 supports 64 and 256 QAM technology that are necessary for the DOCSIS data
network. This network carries IP data in standard MPEG-2 packets. The RF downstream
receives data at speeds up to 38 Mbps and RF upstream provides data transfer at rates up to
10 Mbps.
The SB3100 provides an HTML user interface that enables you to monitor both the cable
modem and the data signals. This interface can be used to diagnose the network connections.

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The five front-panel LEDs provide status and activity information as illustrated in Figure 2-2:
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1
3
4
5
2
Table 2-1 describes the front-panel LEDs:
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1Power Flashing green indicates performing startup diagnostics. Solid green indicates power on and completed
diagnostics successfully.
2Receive Flashing green indicates scanning for the downstream frequency. Solid green indicates the downstream
channel is acquired.
3Send Flashing green indicates scanning for the upstream channel. Solid green indicates the upstream channel
is acquired.
4Online Flashing green indicates requesting an IP address (DHCP), downloading the configuration file (TFTP), and
obtaining network time (TOD). Solid green indicates the SB3100 has successfully completed
DHCP/TFTP/TOD and activities noted above for Power, Receive, and Send.
5Activity Flashing amber when data is transmitted on the downstream or upstream connection. When is LED is off,
it indicates no data transfer.