Motorola Surfboard SB6121 modem. I have owned the modem for about two months has been working great until yesterday afternoon. The lights on the front indicate it has lost the IP registration, I have already talked to Motorola and they said to contact my service provider.

Motorola MB7621, 24x8 Cable Modem This cable modem is a great choice for Internet speeds up to the new 400 Mbps and 300 Mbps services available from Comcast XFINITY® and by other service providers. The MB7621 provides high-speed Internet for a computer, router, HDTV, game station, or streaming media device. Mar 09, 2018 · Technically the SB6121 should be good for up to 170mbps-ish in perfect conditions. Technically. 100mbps is more realistic with "good" conditions. 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 new one. Motorola Inc, 101 Tournament Drive, Horsham, PA 19044, 1-215-323-1000, declares that the SB6120 SURFboard® DOCSIS® 3.0 Cable Modem complies with 47 CFR Parts 2 and 15 of the FCC rules as a Class B digital device.. Strengthen your broadband leadership — Count on Motorola’s SURFboard DOCSIS® / Euro-DOCSIS 3.0 CPE to help you deliver innovative, ultra broadband data services to your premium customers. High Value and Increased Data Rates Motorola’s easy-to-use SB6120 SURFboard DOCSIS 3.0 Cable Modem unlocks the potential of offering Motorola Surfboard SB6121 modem. I have owned the modem for about two months has been working great until yesterday afternoon. The lights on the front indicate it has lost the IP registration, I have already talked to Motorola and they said to contact my service provider.

Motorola's SB6121 cable modem is one of the best cable modems available on the market right now, if not THE best. It is a full DOCSIS-3.0 modem, but also fully backwards compatible with DOCSIS 2.0 and all the way back to DOCSIS 1.0. In short, it should work on any cable system. It is future-ready with IPv6 support built in.

The Motorola ® SURFboard SB6121 DOCSIS® 3.0 Cable Modem provides high-speed Internet access to the Internet and other online services. You can use your high-speed cable modem to directly connect one computer in your

As part of Motorola's DOCSIS 3.0 Ultra-Broadband family of products, the SB6121 includes an enhanced tuner that supports up to a 1 GHz downstream input, which allows operators to increase the frequency spectrum for deployment of new high-value services--such as bandwidth on-demand, commercial services, interactive gaming, and IPTV.

Unusual access, broadband news, information and community. This IP address 207.46.13.249 has been blocked for unusual usage patterns manage IP multicast GigE (RJ-45) data port with Auto Negotiate and Auto MDIX User-friendly online diagnostics Strengthen your broadband leadership — Count on Motorola’s SURFboard DOCSIS® / EuroDOCSIS 3.0 CPE to help you deliver innovative, ultra-broadband data services to your premium customers. These downstream capture windows can be The Motorola ® SURFboard ® SB6121 DOCSIS ® 3.0 Cable Modem provides high-speed Internet access to the Internet and other online services. You can use your high-speed cable modem to directly connect one computer in your home or business to the Internet. This guide provides product overview and setup information for the SB6121.