Question about Linksys SPA-2102 NA Analog VoIP Adapter (2) FXS, (2) RJ45 (SPA2102-NA)

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All lights shuts down as soon as I pick up the phone

All the 3 lights (Power, Internet, Phone) are stable, but when i pick up the phone to make a call, i hear the diatone for few seconds and it goes dead. All the lights starts blinking after that and connects back. Everytime i pick the phone i have the same issue. Please guide me through my issue.
-Hemanth

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Try replacing the power adaptor.

Posted on Dec 13, 2008

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What happen when a adsl line work with a phone but not with a router


The phone line does two jobs. Voice phone which is what it was originally used for and ADSL modem which works at a high audio frequency.
Somewhere between the phone socket and the modem should be a filter splitter. One part goes to the phone and the other to the router. Make sure you have that.
The modem will have a power light and several additional lights. Assuming the power light is on we are interested in two of them; The ADSL light and the Internet light. When you switch the modem on you should first see the power light flash then go solid. Then the ADSL light will flash and then this should go solid. If this light does not come on then you have not plugged the phone wire in properly. If this light just keeps flashing slowly then the modem can't see an ADSL signal on the phone line. If you have a spare router you could try it and see if the ADSL light goes solid on that.
If the ADSL light is fine then the modem has locked onto the signal on the phone line, sync'ed. If not then this is the problem you must solve. Ask your ISP if service is set on your line.
The next light is the Internet light, this maybe a symbol like an i or a world. This light will begin flashing then go solid. It will flash with Internet traffic. This means you have Internet, as far as the modem is concerned. If this light does not stay on then your ADSL account name and password maybe wrong. You can correct this but that's a different question you need to ask.

Feb 18, 2015 | D-Link Dsl-2750b Adsl2 Verizon N Wireless...

1 Answer

I have a motorola sb4200 cable modem that was working just fine until 3 days ago the power light is steady and the send and receive lights alternative in blinking and being steady none of the other lights...


Thank you for the detailed information. Not having internet can be frustrating! If the "Online" light is not turning on, that means it is not obtaining an IP address from your internet service provider. Since the "send" and "receive" lights are blinking, this means the coaxial cable (Tv cable) is screwed in.

I would suggest finding a phone number for your internet service provider to assist you further. There may be a service outage in your general area, or there may be a localize issue. They may have to go through troubleshooting with you over the phone, so you may have to unplug the modem, and maybe even bypass the Netgear router to troubleshoot with them. If the issue cannot be resolved over the phone, they may need to send out a repair man to resolve your issue.

May 26, 2011 | Arris SURFboard SB4200 Modem

1 Answer

The internet is down the dsl light on the modem is blinking red


Hi,

I experienced the same problem yesterday with my modem,the internet is down as a result of the fact that the computer doesn't recognize the remote modem,hence the dsl light blinks red,when the internet is up the dsl lights should blink green,the problem is mostly from your internet provider,few times from your computer.

The solution is so simple;

1.Remove the modem from your computer.
2.Shut down your computer.
3.Turn on your computer again after at least 3mins.
4.Insert the modem in your computer and connect to the internet.
5.It might take up to a few attempts before it gets connected to the internet.

Problem solved.

Dec 02, 2010 | AT&T Computers & Internet

1 Answer

Online light blinkin in motorola sb4200


1- Disconnect the power at the back of the modem.
2- Disconnect the internet cable at the back of the modem (the cable from the wall to the modem).
3- Wait at least 2 minutes.
4- Connect the internet cable back.
5- Connect the power cable back.
6- The lights on the front of the modem should start turning on one at a time; the top one first, the second one next...

If the on-line light still blinks, you might want to repeat the steps above after shutting down your computer. Turn on your computer if the on line light is OK (not blinking).

If all fails, call your internet service provider (ISP) to see if the service itself is down for maintenance, or if there is a problem with high-speed internet in your area.

If you have a router, you might want to power it off before trying the steps above. Turn it back on when the on line light is OK.

Usually, I call my neighbor who has the same ISP to see if their internet is down, before I call the ISP company.

Hope that helps.

Aug 22, 2010 | Arris SURFboard SB4200 Modem

2 Answers

2701HGV-E Power Broadband & Internet led in


Check for the user name and the password for the connectivity. Internet light red only means either the user name or the password is incorrect. Try entering the password and try again it should help.

Jun 21, 2010 | 2wire (1000-000057-000) Modem

1 Answer

Ethernet light flashing


Check your DSL Filters on your house phones or anything connected to the phone line EXCEPT the modem. The modem should not have a filter on it. If this doesnt help I would recommend getting your ISP out to test the line because sometimes the resisitors or hardware in the box goes bad or at the DSLAM.

Jul 20, 2009 | Efficient Networks SpeedStream 5667 Modem

1 Answer

Modem won't connect to internet. OS: WinXP Pro SP 3. ISP: Earthlink DSL. Modem: ZyXEL P-660R-D1 (supplied by Earthlink) connected to computer with ethernet cable. Modem includes double filter for phone...


maybe you have to wait for your provider for them to isolate the problem, it seems that your modem got hit maybe by high surge. ask them to bring a spare modem for isolation.. there is no way for you to isolate the problem coz you've already done the basic....

Jun 19, 2009 | Computers & Internet

1 Answer

My DSL constantly loses sync after it has been on for awhile


If you have telephone devices (e.g phones, fax) sharing with your DSL line, be sure it has DSL filter on devices so it won't interfere with the internet connection. If every devices is properly filtered, disconnect all devices sharing with your DSL line and leave the modem connected to the phone socket with 3 meters phone cable and observe the connection. If the connection becomes stable, connect each devices so you will identify of these devices is using a faulty filter.

Jun 07, 2009 | Computers & Internet

2 Answers

Hardware problem of siemens C2110 ADSL modems


hello.. i am using the same modem c2110 since 10 months. It was working smoothly, but now since a month above said probelm facing. It is getting connected, but after some minutes(sometimes 10,20,30,,,) the link light blinking. sometimes it becomes stable itself. I tride a solution, removed the phone cable from modem and connected it to a phone, just press speaker phone to hear dial tone, the re-fix it to modem, it works...! but just for sometime only...and repeats the problem. .what is the solution?

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