Question about RCA DCM425 DIGITAL CABLE MODEM (RCADCM425)

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How do I set up a wirless network when this modem doesn't have a second ethernet port?

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Usually for this situation it helps to have a wireless route with extra ethernet ports. Where you would have to connect the modem to the wireless router and extra ethernet lines could be shared through the wireless router. Else you would need an ethernet switch for your modem.

Posted on May 26, 2010

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Posted on Jan 02, 2017

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Unable to connect to internet despite connection confirmed


Improve the FixYa experience for everyone by voting.

I'm going to provide you with some generic approaches in an attempt to solve your problem.

First: Microsoft will perform a complete systems check for you in three clicks with their FixIt app. CLICK HERE and Microsoft will fix (repair) any Windows related problems that might be causing your problem.


Second: It is important to connect the modem to the router before you configure the modem in order to verify communication between them. If the cabling is incorrect, the rest of the process fails.

As a rule, external modems are built with a female data communications equipment (DCE) DB-25 port for connection to a controlling device such as a PC or a router

Connecting the modem using the network cable to the wrong port of the router (other than the WAN port) is easy to identify. You can easily troubleshoot the problem. In some cases, you may correctly setup the wireless router connection but you use the wrong cable type in connecting the modem to the router. Cross type UTP cable must be used in connecting the Ethernet port of the modem to the WAN port of the router. But this is not always true. Today, many types of wireless routers (and any LAN Switches) embedded their Ethernet ports (either WAN or LAN ports) with Auto-sensing type port (auto-MDIX LAN). It means that you can use either cross-type or straight-through-type network cable for the Ethernet port connections. The system will detect the cable type and automatically adjust the ports signal accordingly.

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Apr 28, 2012 | Sony Vaio VGN CR353 Laptop Universal AC...

1 Answer

I need to lock my router from others using my wifi


    • 1 Disconnect the power cord from your high-speed modem. Locate the Ethernet port on the back of your modem. If an Ethernet cable is already plugged in, trace the cable to the second device and unplug the cable from it; otherwise, plug one end of an Ethernet cable to the open Ethernet port on your modem.
    • 2 Plug the unused end of the Ethernet cable to the port on the back of the router labeled "modem." Plug a second Ethernet cable into one of the open ports located above the "modem" port; connect this cable to the Ethernet port on your computer.
    • 3 Reconnect the power cord to your modem; wait for the lights on the front panel to turn green before proceeding. Plug one end of the router's power cord into the corresponding port on the back of the device; plug the remaining end into any available electrical outlet.
    • 4 Turn on your computer and log into your operating system as normal. Insert the installation CD into the computer; the installation application should load automatically (if it doesn't, you can find the application by manually browsing the CD's contents).
    • 5 Follow the onscreen instructions; after you have made the initial configurations, click on the option labeled "Security Assistant" on the left side of the installer window. Select the desired security type for your wireless network and click on the button labeled "Next."
    • 6 Choose a network key and enter it into the appropriate field; press "Next" and follow the onscreen instructions.
    • 7 Open your computer's wireless network settings and enter the wireless network name, security type and network key into the appropriate fields. Save your changes. Set-up is now complete.
Tips & Warnings
  • You can access additional settings via the modem's manual configuration interface. Open your web browser and navigate to 192.168.2.1; when prompted for a password, leave the field blank, and click on the button labeled "Submit."For optimal signal strength, choose a location for your router that will be near your computer, with as few walls and other obstacles as possible.

Read more: How to Set Up a Belkin N F5D8236-4 Wireless Router ' eHow.com http://www.ehow.com/how_5106168_set-belkin-fd-wireless-router.html#ixzz1ONVtjSQ1

Jun 05, 2011 | Belkin F5D8236-4 Router

1 Answer

My laptop had a virus, therefore, my harddrive had to be wipped and reloaded. at this time, i'm unable to sign on to my wirless connection due to not knowing my site key. how do i reset my sitekey?


Use an Ethernet cable to make a "wired" connection from the network-port on your laptop to one of the LAN ports on your wireless router. Then, "login" to the router, and run the "Wireless Network Setup Wizard", to set:
* SSID ("network name")
* encryption-level ('WPA' or better, please)
* password for your network

With those settings, your wireless-adapter should be able to connect.

Feb 21, 2011 | Arris SURFboard Gateway SBG901 DOCSIS 20...

1 Answer

Bigpond have sent me my 4 port Wi-Fi modem thompson TG782T Home Network Gateway, now I am sitting here trying to figure out just where everything goes!!! I received a cd rom however I can't get it to work,...


Telephone wall-plate <---- 4-strand telephone-cord ---> telephone-port in modem

AC power from wall-plate to modem.

LAN port #1 <--- Ethernet cable --> network-port on desktop/laptop computer #1.
LAN port #2 <--- Ethernet cable --> network-port on desktop/laptop computer #2.
LAN port #3 <--- Ethernet cable --> network-port on desktop/laptop computer #3.
LAN port #4 <--- Ethernet cable --> network-port on desktop/laptop computer #4.

Configure the router's wireless adapter:
* set a SSID
* set an encryption-level, e.g., 'WPA'
* set a network password

Use the SSID/password to configure your wireless devices (iPod Touch, iPad, XBOX 360, etc.)

Nov 26, 2010 | Gateway Computers & Internet

1 Answer

CG814WGv4 cable modem from Optus Australia, all 4 ethernet ports not wokring since thunderstorm in January 2009, can ethernet ports be checked if they are still ok, can it be fixed by SW reload, purch


hi i had the same problem with an optus modem thunderstorm ruined my ethernet port. i had to replace the modem from optus and all it cost me was $40(put on my next bill) cheaper then buying another modem. i was told i couldnt buy a modem from another source because apparently they have unique codes on them...hmmm don't know about that, but thats what i was told.

hope this helps :)

May 10, 2009 | NetGear CG814M Wireless Cable Modem...

1 Answer

Wlan lights off and now wirless access


Does your computer say Network cable unplugged?
If the wlan light is off, it means that your computer is not being detected by your router. You can try unplugging and replugging the ethernet cable at the back of the computer. Make sure that you hear a 'click' when you plug it back in to make sure tha it is properly seated. Check also the light on the wan port (desktops usually have lights..not sure about laptops though).
Do the same process with the ethernet cable but now from the other end--the one connected to the modem/router. if your modem/router have other ports on it, try to connect it to other ports as well. If you're wan light is still off, try using a different ethernet cable.
what's wrong with your wireless access? i can't read it from the title.

May 04, 2009 | D-Link ADSL2/2+ Modem/Wireless Router...

1 Answer

Vista desktop won't connect to internet cable modem eithernet


power down cable modem, router, and computer. Connect ethernet cable from modem to router/ and connect ethernet cable from router to PC. Power up cable modem first, after modem shows connectivity, plug in router. After router shows internet connectivity, start computer. Be sure that you LAN card operable

Apr 15, 2009 | Acer Computers & Internet

1 Answer

NetGear Wireless Router and connecting using a USB Modem


I think you're saying that you want to set up a Netgear from a wirless port. Is that the ONLY computer you have?

It's not IMPOSSIBLE, but it is improbable. By default, the Netgear has the address 192.168.1.1. If nothing else on your network has that address, it might be possible to plug in the Netgear, set the IP address of your computer to 192.168.1.2-254, and link to 192.168.1.1.

I didn't say easy, just possible. Easy would be to use a computer with a wired ethernet port or grab a friend with a laptop with a wired port. It's a 15-minute job.

Carl

Apr 10, 2009 | NetGear WGR614 Wireless Router

1 Answer

Linksys Router and Modem


Get one router working first with the modem following the standard instructions. If you've been messing with the router settings, use the Reset procedure described in the manual.

When your computer is able to access the internet, you've got the first router working.

I assume you want the second router to make more ethernet ports available.

Disconnect the computer from the first router, and plug it into the second. DONT CONNECT IT TO THE MODEM.

Again, reset it to the factory defaults. Open your browser and type in 192.168.1.1 and login to the router. Find the DHCP server setting, and disable DHCP.

Get another ethernet cable and connect it to one of the ethernet ports on the first router, and the other end to an ethernet port on the second router. DONT USE THE WAN PORT.
Unplug each router, then replug them.

You should now be able to use any of the ethernet ports on either router (reboot your PC after doing the above).




Jul 11, 2008 | Computers & Internet

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