Question about RCA Thomson Digital Cable Modem (DCM305R)

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Mediacom signup Hooked everything up went to mediacom sign up page entered all codes but message comes up No products configured to account.Do I need to configure something on computer or is it on mediacom's end. Thank You

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Mediacom need to know what modem you have install, you need to call mediacom

Posted on Jan 13, 2009

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Netflix is being blocked. It is asking for a code input on our account page. We have rececieved an E-mail from NF that our account is up to date.


go online to netflix,sign on to your acct go to the bottom of the screen and get a service code,try that if it doesn't work,call netflix.

Mar 13, 2015 | Sony Modems

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Feedmangoodz@gmail.com


Point your web browser at http://www.gmail.com

If another account comes up, sign out of it by clicking the avatar in the upper-right then clicking "Sign out."

If you then still can't sign in to your account, click the "Need help?" link on the sign-in page.

Sep 05, 2014 | Vtech E-Mail PostBox Express Portable...

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My wife is unable to access her e-mail newroyalfriend@hotmail.com


Point the web browser at http://www.hotmail.com.

If it comes up on another account, sign out of it by clicking the avatar in the upper-right then clicking "Sign out."

If she still can't get into her account, click the "Can't access your account?" link on the Hotmail sign-in page.

Nov 26, 2013 | Vtech E-Mail PostBox Express Portable...

1 Answer

Can not access my e-mail newroyalfriend@hotmail


Point your web browser at http://www.hotmail.com.

If it comes up on another account, sign out of it by clicking the avatar in the upper-right then clicking "Sign out."

If you can't get into your own account, click the "Can't access your account?" link on the Hotmail sign-in page.

Nov 26, 2013 | Modems

1 Answer

The PC link keeps turning in and off


It could be Mediacom having problems if not unplug your rca dcm425 for 30 secs and plug it back in im sure you hear people say that alot but it works and if you have a router unplug it first plug it back in and then the rca.

Oct 27, 2010 | RCA DCM425 DIGITAL CABLE MODEM (RCADCM425)

1 Answer

Only 2 lights coming on and can't get on the internet.


It depends on what two lights. Could mean a variety of different things. 2 lights tends to mean your box is receiving a signal and usually has internet access. which would lead me to believe either your router/Nic or Ethernet cable is bad or miss configured. Can also mean water or some foreign debris has gotten into a connection on the way to the cable box/a main line is bad. With ought knowing which two lights its almost impossible to narrow down though. Your best best would be to call Mediacom's Tech line and see if they can ping your modem if they can see it then its more then likely a problem on your set up.

Jul 15, 2010 | RCA DCM425 DIGITAL CABLE MODEM (RCADCM425)

1 Answer

Opening Ports


Unfortunately, you will not be able to log into your modem and change any settings.

You will have to log into your Router that is connected to your Modem.

You can do this by the following:

Step 1. Click Start - Run

Step 2. Type CMD and press enter

Step 3. At the Command Prompt type IPCONFIG

Step 4. You will be shown a Gateway IP address

Step 5. Open a web Browser and type in the Gateway IP address and hit enter

Step 6. you should be prompted for a user name and password

Step 7. If you haven't set the username and password try Admin for the username and leave the password blank.

Step 8. Once in, you can click on teh tabs until you find a section for opening ports, find or enter the ports you want open

UDP 3074
TCP 3074

Be sure to Rate/Vote

Apr 25, 2010 | RCA DCM315R Modem

2 Answers

I use the RCA model 425 modem through Media Com. My wiring for internet enters a bedroom. Now I also want to hook up a tv using this modem. A Media Com employee suggested using a splitter. Will this work...


Theoretically you can because the purpose your cable serves is a conduit for data transmissions. Just a few cautions here. Just as in any circuit, the more the wire is spliced,split, or anything that taps into it on its way . to the modem will add resistance to the line, thus it could degrade or "slow down" your signal. There is a splitter I know mediacom haves that will help with lessening this effect.

Feb 04, 2010 | RCA DCM425 DIGITAL CABLE MODEM (RCADCM425)

1 Answer

Arris Modem connected to Mediacom Service


I didn't have incoming calls for a year (didn't mind, no telemarketers). But I fixed today.

Check with your home alarm company. Turns out they can download a signal. No, it wasn't the computer's internal modem, it wasn't the phone/cable company or the arris modem.

No need for service call.

Jul 13, 2008 | Arris Touchstone 450a (CM450) Modem

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