Motorola SB6141 DOCSIS 30 Cable Modem User Guide

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Wall Mounting Template 
 
 
 
 
  
						

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4 
Connecting t o the  Internet  
 
After installing the  modem, you are now ready to connect your PC  and other network devices to the 
Internet.  To do this, you may have to enable the network options on your PC  to automatically obtain an 
IP address and DNS server address. Follow the steps in this sec tion for your operating system. 
Note : Your PC may already be  configured to automatically  connect to the Internet . If so, do not 
perform any of the steps in this section.   
Configuring TCP/IP for Windows 7  
1.  Click  Start  button an d then select  Network , Properties .  
2.   Click  Network and Internet  to  open  the Network and Internet window.  
3.   Click  Network and Sharing Center  to  open  the Network and Sharing Center window.  
4.   Click  Change adapter settings  to  open  the Network C onnections window.  
5.   Right -click the network connection for your network interface.  
6.   Select  Properties  to  open  the Local Area  Connection Properties window.  
 
7.  Select  Internet Protocol Version 4 (TCP/IPv4 ) and click  Properties  to  open  the Internet Protocol 
Properties window.  
8.   Select  Obtain an IP address automatically  and Obtain DNS server address automatically.  
9.   Click  OK to save the TCP/IP settings and close the Internet Protocol Version 4 (TCP/IPv4) 
Properties window.  
10.  Click  Close  to close the Local Area Connection Properties window.  
11.  Close the remaining windows and exit the Control Panel.  
When you complete the TCP/ IP configuration, go to Verifying the IP Address in Windows 7.   
						

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Configuring TCP/IP for  Windows Vista 
1.  Click  Start  button  and then r ight-click  Network . 
2.   Click  Network and Internet  to open the Network and Internet window.  
3.   Click  Network and Sharing Center  to open the Network and Sharing Center window.  
4.   Click  Manage  Network  Connections . 
5.   Right -click on the  Local Area Connection  you want to configure  (if more than one is listed) . 
6.   Click  Properties  to open the Connection Properties window.   
7.   Click  Continue , if  prompt ed for administrator permission.  
8.   Click  Networking  tab.  
9.   Select  Internet Protocol Ver sion4 (TCP/IPv4) and  then  click Properties .  
10.  Verify that the Obtain an IP address automatically  and  Obtain DNS server address 
automatically  options are both  selected. 
11.  Click  Advanced  button.  Use the following  table to verify the  Advanced TCP/IP Setti ngs. 
IP Settings Tab  DNS Tab WINS Tab  
• DHCP Enabled listed IP 
address box  
• Default gateways box is 
empty  
• Automatic metric is 
selected   
• DNS server addresses box is 
empty   
• Append primary and connection 
specific DNS suffixes is selected   
• Append parent suffix es of the 
primary DNS suffix is checked   
• Register this connection’s  
addresses in DNS is  checked   
• Append these DNS suffixes (in 
order)  is not  selected 
•  WINS addresses box is empty  
• Enable LMHOSTS lookup  is 
checked  
• Default: Use NetBIOS setting from 
the D HCP server is  selected  
 
12.  Click  OK.   
13.  Click  Alternate Configuration  and verify that Automatic private IP address  is selected.  
14. Click  OK. A prompt  to  restart your PC  will display .  
Configuring TCP/IP for  Windows XP 
1.  Click  Start  button  and then  select  Settings  and  Control Panel . 
2.   Click  Network and Internet Connections  or  Network Connections  (will vary according to 
settings).    
3.   Click  L oc al A rea Connection . 
4.   Click  Properti es to open the Local Area Connection Properties window.    
						

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5.   Verify  Internet Protocol (TCP/IP)  is  selected, then  click Properties . 
6.   Verify that Obtain an IP address automatically  and Obtain DNS server address automatically  are 
both  selected.  
7.   Click  OK to save the TCP/IP settings.  
8.   Click  OK to exit . 
Renewing  the IP Address in  Windows 7  or  Vista  
1. C lick  Start  button  and then click Start  Search . 
2.  Type 
cmd and  then right -click on cmd.exe  from the drop-down list. 
3.  Select  Run as administrator . 
4.  Type 
ipconfig /renew and press E nter. A n ew  IP address for y our PC will  display . 
5.  Type 
exit and press E nter to return to Windows .  
If  you  still cannot access the Internet, contact your Internet Service Provider . 
Renewing  the IP Address in  Windows XP  
1. C lick  Start  button and then c lick Run . 
2.  Type 
cmd and click OK  to open a command prompt window.  
3.  Type 
ipconfig /renew and press E nter. A new IP address for your PC  will display.  
4.  Type 
exit and press E nter to return to Windows.   
If you still cannot access the Internet, contact your Internet Service Provider.  
Verifying the IP Address in Windows 7 or  Vista 
1.  Click  Start  button and then c lick All Programs . 
2.   Click  Accessories.  
3.   Click  Run to  open  the Run window.  
4.   Type 
cmd and click OK  to open a command prompt window.  
5.   Type 
ipconfig and press Enter  to display the IP Configuration.   
						

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Verifying  the IP Address in Windows XP  
1.  Click  Start  button  and then click  Run .  
2.   Type 
cmd and click OK .  
3.   Type 
ipconfig and press E nter to display your IP configuration.  
 
  
						

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5 
Monitoring Your Modem  
 
Use the SB6141 Modem Configuration Manager to v iew the various configuration settings and 
operational status of t he modem. You can also reset the modem configuration back to the original 
factory settings.   
Starting the Modem Configuration Manager 
1. Open  any web browser on  a  PC  connected  to your  modem.  
2.  In the Address bar , type 
http://192.168.100.1 for the Modem Configuration Manager IP address, and 
then  press  Enter. The following Status page appears when you first log on.  
Note : If you cannot access the HTML pages in the Modem Configuration Manager, please contact 
your service provider for more information.  
  
						

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Res toring  Your Modem  Settings 
You can reset your SB614 1 modem configuration to the factory default  settings.   
WARNING: This will delete all of your existing modem configuration settings.  
1. Select  Configuration  from the  menu  bar. 
 
 
2.  Click  Reset All Defaults .  
 
 
  
						

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6 
Troubleshooting  
 
If the solutions listed here do not solve your problem, contact your service provider.  
You may have to reset the SB61 41 modem configuration to its original factory settings if the cable 
modem is not functioning properly.   
Your service provider may ask for the status of the icon lights as described in  Front Panel Icons and 
Error Conditions . 
Solutions  
Table 1 –  Troubleshooting Solutions  
MODEM PROBLEM  POSSIBLE SOLUTION  
Power Icon is OFF • Check the cable connections to the modem and electric al outlet. 
• Check that the electrical outlet is working.  
Is the outlet controlled by a light switch?  
Cannot Send or Receive 
Data • On the front panel, note the status of the icons and refer to  Front 
Panel Icons and Error  Conditions to identify the error.  
• If you have cable television, check your television to ensure your 
cable service is operating properly.  
• Check the coaxial cable connection at the  SB6141 and cable wall 
outlet. Hand tighten,  if necessary. 
• Check the I P address. Follow the steps for verifying the IP address for 
your operating  system in Verifying Your IP Address in Windows 7 or 
Vista  or Verifying Your IP Address in Windows  XP. Call your service 
provider if you need an IP address.  
• Check that the Ethernet cable is properly connected to the  SB6141 
and the  PC. 
•  If a device is connected via the Ethernet port, check that the ONLINE 
icon is ON to verify connectivity.  
• C all your service provider for further assistance.  
 
  
						

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Front  Panel  Icons and Error Conditions  
The  SB61 41 front panel  icons provide status information for the following error conditions:  
Table  2 –  Front Panel Icons and Error Conditions  
ICON STATUS  IF, DURING ST ARTUP: 
IF, DURING NORMAL 
OPERATION  
 
OFF  SB6141 is not properly plugged into 
the electrical outlet   SB61
41 is unplugged 
 
FLASHING  Downstream receive channel cannot 
be acquired   Downstream channel is lost
 
 
FLASHING Upstream send channel cannot be 
acquired   Upstream channel is lost
 
 
FLASHING IP registration is unsuccessful  IP registration is lost  
 
OFF  No connected device is detected  Device is disconnected  
 
  
						

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A  
Product Specifications  
General 
Cable Interface   75 Ω
 F- connector  
CPE Network Interface   10/100/1000Base- T Ethernet (RJ-45)  
 Data Protocol    TCP/IP 
Dimensions    5.7 in H x 5.7 in W x 1.5 in D (146 mm x 146 mm x 38 mm)  
Power   12W (nominal) 
Input Power  
  North America  105 to 125 VAC, 60 Hz 
  Outside North America   100 to 240 VAC, 50 to 60 Hz  
Regulatory  UL listed (U.S. and Canada), CE, unit is RoHS complia nt, ENERGY STAR V2, COC V3,  
    Compliant per the “Code of Conduct on Energy Consumption of Broadband Equipment“,  
    CMM, MEPS 
Environmental 
Operating Temperature  32 °F to 104 °F (0 °C to 40 °C)  
Storage Temperature   – 22 °F to 158 °F (–30 °C to 70 °C)  
Operating Humidity   5 to 95% R.H. (non- condensing) 
Downstream 
Modulation   64 or 256 QAM 
Downstream Channel Capture  Dual 96 MHz Tuners  
Maximum Theoretical Data Rate* 
  DOCSIS   343.072 Mbps (8 channels) / 42.884 (single channel) @ 256 QAM at 5.36 Msym/s 
  EuroDOCSIS    444.928 Mbps (8 channels) / 55.616 (single channel) @ 256 QAM at 6.952 Msym/s 
Bandwidth  
  DOCSIS   ≤
 48 MHz/2 
  EuroDOCSIS   ≤
 64 MHz/2 
Symbol Rate  
  DOCSIS   64 QAM 5.057 Msym/s; 256 QAM 5.361 Msym/s 
  EuroDOCSIS    64 QAM 6.952 Msym/s; 256 QAM 6.952 Msym/s 
Operating Level Range   – 15 to 15 dBmV 
Bonded Channel RF  
Level Tolerance   10dBmV 
Input Impedance  75 Ω
 (nom inal) 
Frequency Range   DOCSIS and Euro -DOCSIS 108 to 1002 MHz (edge to edge),   
  Optional 91 to 1002 MHz (edge to edge)  
Frequency Plan  
  EuroDOCSIS   Annex A 
  DOCSIS   Annex B 
Security   DOCSIS 3.0 Security (BPI+, EAE, AES, and SSD)  
Network Management  SNMP v2 & v 3 
Provisioning  Supports IP addressing using IPv4,  IPv6, and/or IPv6 (dual stack)