Shop By Price. Motorola’s easy-to-use SB6121 SURFboard DOCSIS 3.0 Cable Modem unlocks the potential of offering innovative high-bandwidth data and multimedia services to customers. Next Article . Most calls resulted in the Comcast employee telling me the problems were because my modem is "red status" and End of Life. Technically. Now I have a problem. Usually it gets hung up on the send then restarts again. General Faqs Sb6121 Troubleshooting Information Solved Having Issues With Your Motorola Sb6121 Please Post Here Motorola Surfboard General Faqs Sb6121 Front And Back Panel ... What Do The Lights Mean On Motorola Surfboard Sb6121; Share. Troubleshooting Tips for Motorola Surfboard Cable Modems. For Motorola Models MG7310 and MG7315: On the Radio page, go to the Control Channel drop-down menu, select a channel that is 5 channels away from the current channel you are using. I own my own Motorola SB6121 and which is a little over 6 months old. Recently my SB6121 restarts constantly. What Do The Lights On A Motorola Cable Modem Mean It Still Works Carrpogf General Faqs Sb6121 Troubleshooting Information Best Cable Modem Of 2019 Review And Er S Guide Digtechnology General faqs sb6121 front and back panel general faqs sb6121 front and back panel arris surfboard sb6121 arris surfboard sb6121. Gift Guide. If you have a different cable modem and require specific information about that modem please refer to the manufacture’s website. After that the link becomes a solid amber, then around 10 seconds later it will reboot itself. Forum discussion: Ok, I bought the SB6121 from BestBuy. Technically the SB6121 should be good for up to 170mbps-ish in perfect conditions. Heads up, Motorola SB6121 modems are now End of Life. Support. Email. I also own my own router and refuse to use the Xfinity Gateway they provide because of the monthly rental fee and poor experiences with it in the past. Once an ISP decides to stop supporting a device, they can make configuration changes that effectively neuter your modem to force you to buy a … Motorola SURFboard SB6121 overview and full product specs on CNET. You may need to switch the Sideband for Control Channel setting from lower to upper to access the higher channels. Here is how I initially installed the SB6121: coax--->SB6121--->Linksys E3200--->PC nic. This is the Motorola "Surfboard Extreme Wireless Cable Modem & Gigabit Router" - DOCSIS3.0. Holiday Gift Guide 2020. On the second day it started to randomly reboot by itself. Motorola SB6121 Constantly Restarts. ... Called back the main number again, now the robot just keeps trying to send me a text link to solve my problems online and fails to connect me to an agent. Before this occurs every light is green, the downstream is solid blue, and the link is blinking amber. I was referred to this model when i called to set … Utilizing the power of DOCSIS 3.0, the SB6121 enables channel bonding of up to four downstream Tweet. 100mbps is more realistic with "good" conditions. kobe0007 over 7 years ago. Occasionally it will finally connect all the lights back on but my router won't indicate that it is getting signal and then the SB6121 resets again. Cable Modem Support Internet. Prev Article. COVID-19. I recently bought a Motorola SB6121 modem, and I had no problems the first day. The following information applies to Motorola Surfboard series cable modems. Sideband for Control Channel setting from lower to upper to access the higher channels following information to., then around 10 seconds later it will reboot itself calls resulted in the Comcast employee telling me the were... 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