But that is exactly what i purchased this modem to do. The customer owned sb6121 is a still supported device, but the csrs often get confused and claim otherwise, since comcast pulled all of their own 4x4 modems from the field. But if you suspect that it could be the modem, go out and buy one somewhere where you can easily return it. Microprocessors are controlled by firmware that enables the device to do the job it was purchased for. We have 4 motorola surfboard sb6121 manuals available for free pdf download. Surfboard cable modem the sb6121 delivers your complete personal media experience, at incredible broadband speeds. Sb6121 cable modem tips and tricks peplink community. This guide provides product overview and setup information for the sb6121. Product title arris motorola sb6121 surfboard docsis 3. At arris, we are dedicated to the success of our customers and the transformation of their entertainment and communication experiences. This trick got me connected immediately, so please update your post to say. The sb6121 delivers your complete personal media experience, at incredible broadband speeds. I talked with motorola and they stated it was not the modem hardware so now im stuck with both cox and motorola saying its not their hardware.
Please read the terms and conditions for details that include exclusions, limitations, how to make a claim, cancel coverage, and list of coverage providers. Motorola sb6121 owned by my not leased does xfinity. Apr 17, 2012 i got a motorola surfboard sb6121 cable modem and im woundering if its wireless sources. You can use your highspeed cable modem to directly connect one computer in your home or business to the internet. The exact location and label format varies by model. Visit motorola online mol for p25, analog radios, premierone applications, system, and accessories support after selecting a task below, you will be asked to log into mol and will then be taken to your resource. Ive had it for a month now and have had no issues with it. Motorola cable modem sb6121 keeps dropping off anandtech. If your modem does not have the latest codefirmware, it will download the latest version. All firmware updates are handled by the internet service provider. The modem label is located on the bottom of your sb6121 cable modem. The heart of your network connecting you to the internet. For specific motorola surfboard cable modems and gateways, software known as drivers will need to be installed when connecting to the cable device with a. Motorola s sb6121 cable modem is one of the best cable modems available on the market right now, if not the best.
Motorola mobility, inc, 101 tournament drive, horsham, pa 19044, 1 215323, declares that the surfboard sb6141 docsis 3. Sb6121 surfboard specifications motorola sb6121 surfboard docsis 3. Used but excellent perfect physical and working condition included. With its high speed and ipv4 and ipv6 networking support, this is a product designed and built for use today and for years to come. Modem sb6121 and power adapter arrange for local pickup with cash only please. Power off your cable modem for 15 seconds, and then turn it on again. As you can see, the retail sb6121 modem is listed as an approved modem for their extreme 105mbps plan and plans lower than that. Save yourself a modem rental fee and this will pay for itself in no time. Up to 343 mbps docsis download speeds, 8 x 4 modem channels, ac1600 mbps dual concurrent wifi speeds.
While current customer owned ones will continue to work no end date for them working, comcast reps can. If you own a retail arrismotorola sb6121 or sb6141 modem. The mb7621 provides highspeed internet for a computer, router, hdtv, game station, or streaming media device. Connect your modem to check your firmware for motorola. Understanding the signal levels on a motorola surfboard modem duration. Motorola surfboard sb6121 is a very popular option in the middle of the modems price range. Motorola surfboard sb5120 usb cable modem driver for windows 7 32 bit, windows 7 64 bit, windows 10, 8, xp. Unfollow motorola cable modem sb6121 to stop getting updates on your ebay feed. Heads up, motorola sb6121 modems are now end of life.
I was getting downloads of 19 mbps and uploads of 3. I was referred to this model when i called to set up service 151 and wanted to simplify the setup. Motorola surfboard sb6121 cable modem complete kit. Community, this is currently a popular cable modem in use today. I have been using owned motorola sb6121 from 2014 and suddenly now xfinity customer rep are saying that they do not support it any more. This documentation provides information on verifying the model number and downloading the correct usb drivers. How to download and update firmware motorola surfboard sb6121 firmware update download digital photo cameras firmware. Motorola device manager contains usb drivers and software to connect your motorola phone or tablet to your computer using a usb cable. Batteries are not included with any of our item since they can leak during shipping. I bought a 6180, not officially supported by mediacom but thats what i wanted, i dont need them messing up my modem with faulty firmware. So if you have one of those plans 25, 50, 75 or 105mbps and a comcast rep tells you that your sb6121 modem is eol, tell them they are wrong and need to check the. Motorola surfboard sb6121 user manual pdf download manualslib.
Motorola sb6121 firmware update caps downstream at 50mbps. This item enables channel bonding of up to four downstream channels and four upstream channels, which allows an operator to offer their customers advanced multimedia services with data rates of. It contains specific id information for your modem. Motorola surfboard sb5120 usb cable modem driver download. Uploaded on 472019, downloaded 5122 times, receiving a 89100 rating by 3546 users. January 16, 2014 sign up for fastest internet service time warner offers at my place 1005. They came out because i was having frequent internet dropouts after upgrading to the motorola sb6141 docsis 3.
Shop the wide range of motorola cable modems at best buy. Choose the motorola cable modem thats right for you. The embedded ac1600 dual band wireless router provides the. To give internet access to many devices, plug in any router you like. Motorola surfboard sb6121 what do lights mean shelly. Watch this stepbystep video guide for the following modems. The old sb6121 modems are heading off into retirement after nearly nine years of service. Motorola surfboard sb6120 cable modem sign in to comment. Up to 686 mbps docsis download speeds, 16 x 4 modem channels, ac1900 dual concurrent wifi speeds. Locate the small white sticker on the bottom panel of the modem. Its in the top 3 bestselling modems and has dozens of popular alternatives in the same price range, such as verizon fios quantum or verizon fios quantum gateway. Installation manual, user manual, quick reference manual motorola surfboard sb6121 user manual 28 pages surfboard sb6121 docsis 3. Consumers motorola surfboard cable modem usb drivers. As it reboots, your modem will check if its running the latest code from your service provider.
After installing the new modem sb6121, i am getting downloads of 30 mbps a 50% improvement and uploads of 3. Contact the seller opens in a new window or tab and request a shipping method to your location. Ultra fast internet speeds with wifi networking allinone. Unlock the potential of your highspeed internet access with a motorola modem. General faqs sb6121 front and back panel general faqs sb6121 front and back panel arris surfboard sb6121 arris surfboard sb6121. We delete comments that violate our policy, which we encourage you to read. Requests may take 35 business days before access is granted. Motorola solutions products and services support motorola. For specific motorola surfboard cable modems and gateways, software known as drivers will need to be installed when connecting to the cable device with a usb cable. The arris surfboard modem is designed to work seamlessly on your network to bring you superior home connectivity. Motorola surfboard sb6121 firmware update full guides for.
Connecting the modem decide if you are mounting the sb6121 horizontally or vertically on the wall. To receive cable service, your service provider may request the media access control mac address see. Get more information on surfboard modem manuals, troubleshooting guides, faqs, and more. Unplugged the comcast modem, replaced it with this modem, called comcast gave a representative the mac address from the label on the modem, and returned the old one. Motorola inc, 101 tournament drive, horsham, pa 19044, 1215323, declares that the sb6120 surfboard docsis 3. Motorola surfboard sb6121 user manual pdf download. Motorola surfboard sb6120 cable modem free downloads and. When this happens, complete the usb installation with the previous release v2.
Only products sold and added to cart on are eligible for discount. Motorola surfboard sb5120 usb cable modem free download. Jul 19, 20 watch this stepbystep video guide for the following modems. The package offers preset wifi security amd energyefficient ethernet. Motorola surfboard sb6121 overview and full product specs on cnet.