Question about Arris SB5100 SURFboard DOCSIS 2.0 Cable Modem (50120900100)

2 Answers

Ethernet cable port does not worked only the usb port worked

When i plug the ethernet cable to port in the back of motorola 5101 it does not work. when i plug the usb cable the internet is active.

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2 Answers

Have you tried changing the lan settings, or better still use the disc that came with modem and it will auto install modem and configure settings.

Posted on Jul 27, 2008

Have you tried changing the lan settings, or better still use the disc that came with modem and it will auto install modem and configure settings.

Posted on Jul 27, 2008

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1 Answer

Computer does not recognise speedstream 6300


you try form USB or LAN interface \\Ethernet connection (recommended)


  1. Plug one end of the RJ-11 telephone cable into an unfiltered telephone wall jack (enabled for Sympatico High Speed Internet service).
  2. Plug the other end of the RJ-11 telephone cable into the DSL port on the back of the modem.
  3. Plug one end of the RJ-45 Ethernet cable into your computer's Ethernet port.
  4. Plug the other end of the RJ-45 Ethernet cable into the Ethernet Port 1 on the back of the modem.
  5. Insert the rounded end of the power adapter into the Power port and the dual-pronged plug end into your power outlet.
  6. Press the power button to turn on the modem.

USB connection

  1. Plug one end of the RJ-11 telephone cable into an unfiltered telephone wall jack (enabled for Sympatico High Speed Internet service).
  2. Plug the other end of the RJ-11 telephone cable into the DSL port on the back of the modem.
  3. Plug the small, square end of the USB cable into your computer's USB port.
  4. Plug the wide, flat end of the USB cable into the USB port on the back of the modem.
  5. Insert the rounded end of the power adapter into the Power port and the dual-pronged plug end into your power outlet.
  6. Press the power button to turn on the modem.

May 28, 2012 | Efficient Networks Speedstream 6300...

1 Answer

My motorola only has one ethernet port and a cable coax port in the back. I am trying to set up my belkin wireless router but can't because There is only one ethernet port. is there any way around this.


Plug the belkin router into the modem and use the router for the computer that is currently plugged in. If you have a router that doesn't have built in client ethernet ports (Wireless only), then you'll need to get one.

Jan 04, 2011 | Arris SB5100 SURFboard DOCSIS 2.0 Cable...

1 Answer

How can i connect my laptop bought 2 weeks ago to my cable modem its a sb5101 cable modem by motorola


This modem is USB or Ethernet. I strongly reccomend using the ethernet and not the USB option as USB will lose some speed.
An ethernet cable is a standard RJ45 Jack'd cable (both ends) - check google images if unsure but you'll see the plug in the modem that is the same as one on your laptop.
If you dont have an ethernet port on your laptop (possible but unlikely) then you'll have to use the USB option - this is a usb cable similar to a printer usb cable (square usb end at the modem and flat usb to the laptop)

Hope this helps! please dont forget to rate :)

Nov 03, 2010 | Arris SURFboard® SB5101 Cable Modem

1 Answer

If it necessary to conect the ethernet cable to the usb port on back of the One ZX 4000 series


Ethernet cables don't go into the usb hub, they go into the Ethernet port on the back. So...no, an Ethernet jack won't work in a usb hub.

Aug 26, 2010 | Gateway Computers & Internet

1 Answer

Motorola SB 5120. Can you run the USB cable to a


Certainly you cannot. You just have to choose what connection to use. USB or Ethernet port.

Sep 01, 2009 | Arris SURFboard SB5120 Modem

1 Answer

SB5101-can't connect 2 computers using USB and ethernet cables


You can either use USB or ethernet but not both at the same time, you will need a hub to connect more PC's

Jun 07, 2009 | Arris SURFboard® SB5101 Cable Modem

1 Answer

Linksys router and modem problems


Hello,

Most cable company's will not allow you to use the USB and the ethernet connection at the same time. You will need to only use ethernet to your PC and your XBOX. Once you have the ethernet cord connected from your modem to the WAN/Internet port on your router you will need to press the reset button on the back of the arris to authorise the router for access. After that is done you will plug you XBOX into 1 of the 4 numbered ports on the router. Then you will need an additional ethernet cord for your PC.

Hope this helps

Jan 04, 2009 | Arris SURFboard SB5120 Modem

5 Answers

Ethernet vs. usb


FYI for those people trying to use a ethernet and usb cable from a cable modem - it may work for a while but it won't work forever - your ISP will only allow one IP address out of the modem unless you pay for additional addresses (then you need a switch). Each device you have on the modem is fighting for that IP and eventually it will just quit working (if it works at all).

If you want more than one computer on your network (on the Internet or sharing printers/files, etc) then you need a router or a gateway (cable modem/router combo which I DON'T recommend).

Feb 09, 2008 | RCA Thomson Digital Cable Modem (DCM305R)

2 Answers

Need to hook up Belkin G wireless router to Motorola SB5120


Plug your cable line into your modem, make sure it's tight, but don't use a tool. Next plug the ethernet line from the modem to your PC ethernet port. Then plug in your power to the modem. Allow your modem to sync. Don't use the USB line at all. Do not even hook it up unless your computer doesn't have a working ethernet line. Don't run the disk either, it will only install the modem driver that is only used if you use USB.

If you have issues connecting after that, you may have to go into your ethernet adapter settings and make sure that it is using DHCP. DSL usually uses a different setting (PPP I think) and you will not be able to connect.

By the way, excellent choice in modems.

Jan 14, 2008 | Arris SB5100 SURFboard DOCSIS 2.0 Cable...

3 Answers

Ethernet Port seems to be a failure, but the USB works fine


I managed to fix the problem manually using a computer kit I had.
The problem was the Ethernet port on the modem was messed up
you should check if the small wires are on the back are all facing towards the top if not you should try to fix its actually pretty easy
no need to pay for a repair :D

Jan 10, 2008 | Arris SURFboard SB5120 Modem

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