20 Most Recent RCA DCM425 DIGITAL CABLE MODEM (RCADCM425) Questions & Answers

I would suggest that you go through this guide, it will explain you every step which you need to make to get your modem and internet connection back on track: The ultimate Link Troubleshoot guide: Problems. solutions, PDF manuals

Here's the manual from a Google search: https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&ved=0ahUKEwiG7fidjsXZAhWHrFkKHb5BDfMQFggzMAE&url=http%3A%2F%2Farmstrongonewire.com%2FContent%2FDocuments%2Fdhg535_manual.pdf&usg=AOvVaw156GN98d9vEu7NhtJ48NBL

The RCA DCM425 is a cable modem. You need an Ethernet router to connect two devices to the wide area network provided by the modem. A router assigns I.P. (internet protocol) addresses. Your Dynex Ethernet hub is a switch which will enable you to share files between computers. It doesn't support directing traffic to and from the internet. I wish that I had better news for you. You can get a router from many sources. Cindy Wells

All the needed codes should be on the back or bottom of the modem. Since it doesn't have a wireless router included, there's no WEP code. If you aren't referring to the DCM425 modem, look in the manual for the ip address or http entry to talk to the router portion of the modem.

Who is your provider? The DCM425 is an OLD modem, its on the older DOCSIS standard and its only rated for something like 35-40mbps, i don't remember the exact number from the specs as we haven't been dealing with them here for about 8 years now. Upgrade the modem, go with something like the Surfboard SB6183 or SB6141, this depends on who your provider is also of course. If your current modem is a rental from your provider ask them for a new one, but if you want to get rid of the monthly rental fee get a new modem yourself. But i would find out what modem models are supported by your provider.

All cables may be secured but the internet signal is not enough to keep the modem latched. When it drops too low, the modem lets go and tries to acquire it again. You need to check all the connections and you may have a screen on the modem setup that shows you the signal strength. Keep in mind that any connection your signal travels through causes a loss of signal and the SPLITTER connections are big loss of signal devices. If you lose 3dB it is half the signal

Cable Modem Troubleshooting RCA DCM425 or You can change the radio channel on your AirPort Extreme using the AirPort Utility, as follows:

• Run the AirPort Utility.
• Select the AirPort Extreme, and then, select Edit.
• Select the Wireless tab.
• Select Wireless Options.
• By default, the channels for both the 2.4 & 5 GHz radios are set to "Automatic." You would first change this to "Manual," and then, select the desired channel.

Pull out your owner's manual and read how to sign in to the administrator panel. Then go to the maintenance section and click on check for firmware upgrades.

USB is NOT RJ45 connectors. They are very differant as in water and bar of steel. RCA DCM425 Digital Cable Modem eBay Read backside cable connections. "ETHERNET" connect to router "Internet" connection. Plug ALL devices into "Ethernet" dump USB cable and store away. USB may shut down Ethernet connection while connected.

Just you to your sister, and nobody else? All the time? Complain to Earthlink. They will probably give you an excuse, like "that happens from time to time". Real answer: cheap internet connections and software that drops out. We have our own VoIP box that cost $50 (ObiTalk), pay $60 a year to PhonePower (one of many), and have had rock steady connections. We get free Canada calls, and a half hour of free overseas every month. If you pay more than $5 a month rethink your provider.

aieu us Go here and download the manual for your modem

below 55dBmv TX is a lot better. Could be a bad service line. Also if you call the cable company and have them come out again. Have them put their DSAM meters on the house lines as well as the service tap and have them check for upstream ingress. a lot of things can cause this. It could be a loose fitting somewhere in the house. A t.v.'s shielding may be going out causing unwanted frequencies bleeding in and creating all kinds of noise on the upstream spectrum going back to the node. It could even be a neighbor causing this with their own equipment. If that's the case their maintenance techs should be able to find that.

Yes. My "home" network starts with the cable-modem, with an Ethernet cable between the cable-modem and the "uplink" port on my wireless router, and up to 4 computers connected to the 'LAN' ports on the router, plus support for my wireless devices (laptop, iPhone, tablet).

Contact the cable company or ISP and tell them the DNS server setting is expiring too often on your automatic modem configuration settings provided by the Internet service provider..