Please check your inbox, and if you cant find it, check your spam folder to make sure it didnt end up there. When the online led lights, your cable modem is not connected to the internet yet. Netgear cable modem cm400 compatible with all cable providers including xfinity by comcast, spectrum, cox for cable plans up to 100 mbps docsis 3. Cm400 overheating and slow speed netgear communities. Netgear cm400 cable modem overview and full product specs on cnet. The only negative indication from any hardware is a blinking amber ethernet light on the cm400. When you connect to the network either with wifi or with an ethernet cable, you can use a web browser to access the modem router to view or change its settings. When i call spectrum to update it to what i believe should be the latest supported firmware for a cm400 on spectrum 1. However, if you changed the default password to access your cable modem and lost the password, you must use the reset button on the back panel. I was told they would work together even if i didnt purchase them as a set. After installing your device, locate the serial number on the label of your product and use it to register your product at s. The green blinking ethernet led on cm400 cable modem indicates that there is datatraffic moving through the ethernet port.
Went back and bought a modem to go with the router. Its possible to download the document as pdf or print. Select a product or category below to see an example. If you have comcast there are specific instructions to set it up. If you are unable to selfactivate your cable modem, call comcast xfinity customer. The netgear cm400 high speed cable modem provides a connection to highspeed cable internet with speeds up to 340 mbps. A gigabit ethernet port provides faster access and downloads. Hardware and internet setup the netgear cm400 high speed cable modem provides a connection to highspeed cable internet with speeds up to 340 mbps. The netgear cm400 high speed cable modem provides a connection to highspeed cable internet, up to 340mbps. High speed cable modem model cm400 installation guide. A gigabit ethernet port provides fast access and downloads.
I also noticed the modem is really hot to the touch. High speed cable modem model cm400 package contents cable modem ethernet cable power adapter coaxial cable not included power adapter cable modem ethernet cable attachable feet 5. Have a look at the manual netgear c3700 n600 wifi cable modem router user manual online for free. Netgear cable modems give you full access to the gigabit internet speeds you pay for, so you can have a stronger, faster wifi experience. The netgear cm400 high speed cable modem provides a connection to highspeed cable internet with speeds up to 340mbps. After you reset the unit to its factory default settings, the setup changes that you did e. Except when i installed this modem and the netgear genie, i was not able to enable the traffic meter. Support thank you for purchasing this netgear product.
Cm400 data sheet cm400 quick start guide cm400 user manual. Voice cable modem log in to the cable modem to log in to the cable modem. All the netgear manuals and users guides are available for free view without any registration. For more information, please see our knowledge base.
Find the default login, username, password, and ip address for your netgear cm400 router. To connect your cable modem directly to a computer. The modem works fine, if i plug it directly into my laptop there arent issues. My ipad and ps4 are able to use the wifi network and connect to the internet without issue, but two iphones and a laptop are not. The netgear cm400 cable modem is one of the best selling cable modems. On page 16 of the manual it gives instructions on how to enable the traffic meter. I recently made the leap from centrylink to cox, which is far superior in my area supposedly, and i got a new netgear cm400 and asus rtac1200. The netgear cm400 high speed cable modem provides a connection to highspeed cable internet, up to 340 mbps. The first time you access the modem router, netgear genie automatically checks to see if your modem router can connect to your internet service. Manualslib has more than 105 netgear modem manuals. Quick and easy solutions are available for you in the netgear community. If youre experiencing connectivity issues, follow these troubleshooting steps.
After you reset the cable modem to factory default settings, the user name is admin, and the password is password. Connect a computer to your cable modem using an ethernet connection. Netgear cm400 high speed cable modem docsis 3 0 user manual. We have emailed you a verification link to to complete your registration. View and download netgear cm400 instruction manual online.
I verified the router was not the issue as i plugged the modem directly into a laptop and reset the modem but still only had speed of 0. Model and router not connecting cm400 and r6080 netgear. Netgear cm400 high speed cable modem docsis 3 0 user manual view the netgear cm400 high speed cable modem docsis 3 0 user manual for free. Netgear ac1200 dual band wifi router r6120 with netgear cm400 8x4 docsis 3. Netgear cm400 high speed cable modem docsis 3 0 user manual add to favourites 350 east plumeria drive san jose, ca 954 usajuly 2015 2021141202 cm400 high speed cable modem user manual. For more information about activating your cable modem or modem router, visit how do i activate. Unplugging the modem and router sometimes help jump speeds up to 20 mbs. Im experiencing connectivity issues with my netgear cable. You will need to know then when you get a new router, or when you reset your router. Our internet speeds are where they are supposed to be. Nighthawk x4 ac3200 wifi cable modem router user manual model c7500 september 2017.
Latest support firmware for cm400 netgear communities. Get free shipping on your qualifying orders of netgear docsis 3. Netgear cm400 package netgear cm400 cable modem side view. Use the coaxial cable that your cable company provided to connect the cable port on the cable modem to a cable wall outlet or a line splitter. I activated my modem and the guys at cox scred up my mac address twice before getting it right. The netgear cm400 is also available for purchase as a black device with amber. Netgear provides complimentary technical support for netgear products for 90 days from the original date of purchase. I made a mistake in the video, but the netgear cm400 supports download speeds up to 343mbps and upload speeds up to 1mbps based on your cable. Introduction front panel and right side panel back panel position your modem router cable your modem router set up your internet service with comcast xfinity.
Contact your internet service provider isp to verify that your device is activated. N600 wifi cable modem router model c3700 user manual. Click on an alphabet below to see the full list of models starting with that letter. Bad down speeds and ping on cm400 netgear communities. Cm400 blinking amber ethernet light netgear communities. If you never activated your cable modem or modem router, you must activate it using your isps selfactivation process. View and download netgear cm400 user manual online. I have a netgear cm400 cable modem that i use with spectrum originally with time warner before the merger. Netgear c3700 n600 wifi cable modem router user manual. Netgear cm400 cable modem gigabit ethernet 343 mbps.
The cable modem is certified by all major cable internet providers. What happens after i reset the unit to its factory default settings. Hardware setup 11 n600 wifi cable modem router model c3700 cable the modem. Arris surfboard sb6141 cable modem arris surfboard sb6183 cable modem arris surfboard sb6190 cable modem.
I researched this prior to buying this modem, by downloading the netgear genie user manual from the netgear website. To find the modelversion number, check the bottom or back panel of your netgear device. How do i reset my cable modem to factory default settings. The cable modem supports ipv4 and ipv6 address assignment by cable internet providers. Netgear ac1200 smart wifi router dual band gigabit r6230 with netgear cm400 8x4 docsis 3. The combination of filters you have selected has not produced any results.
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