Motorola SURFboard SB6121 Manual de usuario
Quick Reference Guide – Motorola SB6121
Version Date: v1.0 September 2011
Field Operations
Quick Reference Guide
Technical Operations Academy Page 1 of 5
Table of Contents
Table of Contents............................................................................................................................1
Introduction .....................................................................................................................................1
Installation.......................................................................................................................................2
Additional Warehouse Information...............................................................................................2
Installation Procedure..................................................................................................................2
Rear Panel Connections .................................................................................................................2
Front Panel Display.........................................................................................................................3
Start-Up Sequence..........................................................................................................................4
Troubleshooting Tips.......................................................................................................................4
Rule out RF .................................................................................................................................4
LEDs and Error conditions...........................................................................................................4
Troubleshooting Tips...................................................................................................................5
Version History/Document Control.................................................Error! Bookmark not defined.5
Introduction
Motorola’s DOCSIS 3.0 Modem includes a number of major
enhancements including channel bonding and IPv6. Motorola’s
DOCSIS 3.0 modems support DOCSIS 1.x, 2.0, and new 3.0
features.
DOCSIS 3.0 provides a number of enhancements earlier versions
of DOCSIS, but most notably, channel bonding. Channel bonding
enables multiple downstream and upstream channels to be
“virtually-bonded” together to be used by a single subscriber. This
increases downstream speeds up to 1 Gbps, and upstream
throughput up to a minimum rate of 120 Mbps. Additionally,
DOCSIS 3.0 supports IPv6and Internet Protocol Television (IPTV).
IPv6 greatly expands the number of Internet addresses that
operators may use.
This document was developed to assist all Technical Operations
employees with the proper steps of installing, configuring, and
troubleshooting the Motorola SB6121 modem.
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Installation
The serial number and equipment address can be found on the bottom of the modem. These
items will need to be entered into CSG in order for the gateway to operate.
Additional Warehouse Information
CSG Equipment Type: M1
CSG Equipment Model: SB6121
CSG Equipment Mode: 0
Installation Procedure
Connect one end of the power adapter into the modem and the other end into power outlet or
surge protector.
Connect an active coax cable.
Connect the primary computer to Ethernet port on the modem using a Cat 5 Ethernet cable.
Do not set the modem in an enclosed area, near large appliances, UPS (uninterrupted power
supplies), microwaves, computer monitors or 2.4GHz cordless phones.
Rear Panel Connections
1. An RJ-45 Ethernet port to connect the modem to the computer
2. F-connector connects to an active cable drop
3. Connects the modem to the power adapter
CSGFieldMotorolaSB6121modem
SERIALNUMBERHFCMACID
Quick Reference Guide: Motorola SB6121
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Front Panel Display
The front panel LEDs should be used during installation, configuration, and troubleshooting. Use
them as a visual reference for how and what the modem is performing.
Key Light Off Flashing On
1 POWER Power is
disconnected This light should not flash Green: Power is properly
connected
2 RECEIVE Receive channel not
found Scanning for a receive
(downstream) channel Green: Downstream
channel is connected
Blue: Downstream channel
is connected with bonded
channels
3 SEND Send channel not
found Scanning for a send
(upstream) channel Green: Upstream channel
is connected
Blue: Upstream channel is
connected with bonded
channels
4 ONLINE Internet connection
failed Scanning for configuration
parameters Connected to the Internet
5 LINK No connection to the
SB6121 Ethernet
port is detected
Transmitting or receiving
data on the Ethernet port Amber: A device,
computer, or hub is
connected via the Ethernet
(10Base-T) or Fast
Ethernet (100Base-T) port
Blue: High-speed Gigabit
Ethernet connection to the
PC
6 Power Powers on and off the cable modem
During normal operation, the POWER, RECEIVE, SEND, and ONLINE lights are ON. The LINK
light flashes when the cable modem is transferring data.
Quick Reference Guide: Motorola SB6121
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Start-Up Sequence
The SB6121 goes through a series of steps when first connected to power and RF signal.
The SB6121 start-up steps are:
A. Power On Self Test (POST). If LED remains off, modem is faulty.
B. Scanning downstream frequencies.
C. Scanning upstream frequencies.
D. Downstream and upstream acquired. Modem processing for DHCP, TFTP, and TOD.
E. Ready. PC/Activity is solid when a CPE is connected and blinks when transmitting or
receiving data.
F. Powered off.
G. Modem is successfully registered but Network Access Control (NACO) is disabled via
DOCSIS® configuration file.
H. Performing firmware upgrade
DOCSIS 3.0 modems have dual-colored LEDs to visually determine if channel bonding and
Gigabit Ethernet is enabled.
Troubleshooting Tips
Rule out RF
Use the front panel LEDs as well as a SLM to rule out potential signal issues. If the RF levels are
acceptable, most issues can be corrected by restarting the cable modem. To restart the Motorola
SB6121:
1. Shutdown the computer
2. Unplug the cable modem from power and wait approximately 1 minute.
3. Plug the cable modem back into power.
4. Observer the LED light up sequence as detailed above.
5. Restart the computer.
LEDs and Error conditions
Light Turns off during Startup: Turns off during normal
operation:
RECIEVE The downstream (RECEIVE) channel cannot
be acquired. The downstream channel was
lost.
SEND The upstream (SEND) channel cannot be
acquired. The upstream channel was
lost.
ONLINE IP registration was unsuccessful. IP registration was lost.
POWER Verify the power connection. Verify the power connection.
Quick Reference Guide: Motorola SB6121
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Troubleshooting Tips
Release and Renew the IP address on computer if its unable to access the internet or the
modem’s setup page
Reboot the computer
Disable the proxy settings in the computer’s web browser, and temporarily disable any
firewall software during the setup of the gateway.
Always use straight-through cables, not cross over cables
User Guides, Drivers, and Datasheets can be found at:
http://broadband.motorola.com/consumers/support
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