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What is a good DSL modem for CentryLink?

bb989 2,046 1,809 February 29, 2016 at 10:29 PM
Hi everyone, I'd appreciate any help on this. I'm going to get the Internet service from CentryLink, apparently, they use phone jack for DSL service (I thought DSL was old, wasn't it?)
I have Motorola SURFboard SB6141 DOCSIS 3.0 Cable Modem which is less than one year old.
1) Can I use this cable modem somehow as a DSL modem with a connector or sth? If not,
2) what would be a good DSL modem for ~50 mbps?

They told me my area is VDSL Bonded which is a higher quality of wiring (that I have to pay $10 more per month because someone else already put higher quality wires!!!) So
3) does any DSL modem work or should it be VDSL modem?

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#2
Quote from bb989 View Post :
Hi everyone, I'd appreciate any help on this. I'm going to get the Internet service from CentryLink, apparently, they use phone jack for DSL service (I thought DSL was old, wasn't it?)
I have Motorola SURFboard SB6141 DOCSIS 3.0 Cable Modem which is less than one year old.
1) Can I use this cable modem somehow as a DSL modem with a connector or sth? If not,
2) what would be a good DSL modem for ~50 mbps?

They told me my area is VDSL Bonded which is a higher quality of wiring (that I have to pay $10 more per month because someone else already put higher quality wires!!!) So
3) does any DSL modem work or should it be VDSL modem?
In most areas cable provides MUCH more reliable and faster internet. You've already got a cable modem, why switch?

Most DSL modems you see for sale are ADSL modems and won't work with VDSL at all. VDSL modems are backwards compatible with ADSL. Line quality, distance, and other parameters have a big impact on speeds. In my area, CenturyLink advertises speeds up to 40Mbps. In practice the best you can get is 20Mbps down and 0.9Mbps up. Compare this to cable where for a similar price you can get 50/10 Mbps or if you pay an absurd amount you can get 300+mbps.

Your cable modem can't be used with a dsl modem, but you could use existing your router with the dsl modem if you want to. Note, most DSL modems are gateways with built in routers but the wifi is lackluster compared to a good router. DSL will also likely be erratic after it rains / snows.

DSL modems can be finicky, becoming unreliable after a while so buying used modems is tricky. Officially they only support the modems they sell. You may find this modem for sale locally at walmart, best buy, or century link stores but you may still find the older adsl version for sale.
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Last edited by jkee February 29, 2016 at 11:46 PM
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#3
Quote from jkee View Post :
In most areas cable provides MUCH more reliable and faster internet. You've already got a cable modem, why switch?

Most DSL modems you see for sale are ADSL modems and won't work with VDSL at all. VDSL modems are backwards compatible with ADSL. Line quality, distance, and other parameters have a big impact on speeds. In my area, CenturyLink advertises speeds up to 40Mbps. In practice the best you can get is 20Mbps down and 0.9Mbps up. Compare this to cable where for a similar price you can get 50/10 Mbps or if you pay an absurd amount you can get 300+mbps.

Your cable modem can't be used with a dsl modem, but you could use existing your router with the dsl modem if you want to. Note, most DSL modems are gateways with built in routers but the wifi is lackluster compared to a good router. DSL will also likely be erratic after it rains / snows.

DSL modems can be finicky, becoming unreliable after a while so buying used modems is tricky. Officially they only support the modems they sell. You may find this modem for sale locally at walmart, best buy, or century link stores but you may still find the older adsl version for sale.
In my previous location, I was using the cable modem with Cox and it was the only provider. In my new location, there are 2 ISPs: Cox and CenturyLink. Cox prices are ridiculous, 15 mbps for $40 + $60 installation is the cheapest package!!! But CenturyLink offers 40 mbps for $37 + $10 for VDSL for my location so in total $47 for 40 mbps with no installation. One rep told me I had to buy the modem from them for $100, but the other one gave me the option to bring my own modem. I also have 30 days satisfaction period to test the service!

I found a Centurylink Actiontec C1000A VDSL2 [ebay.com] Modem on ebay which may good for testing, doesn't it?
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#4
Quote from bb989 View Post :
In my previous location, I was using the cable modem with Cox and it was the only provider. In my new location, there are 2 ISPs: Cox and CenturyLink. Cox prices are ridiculous, 15 mbps for $40 + $60 installation is the cheapest package!!! But CenturyLink offers 40 mbps for $37 + $10 for VDSL for my location so in total $47 for 40 mbps with no installation. One rep told me I had to buy the modem from them for $100, but the other one gave me the option to bring my own modem. I also have 30 days satisfaction period to test the service!

I found a Centurylink Actiontec C1000A VDSL2 [ebay.com] Modem on ebay which may good for testing, doesn't it?
Your ISP Should have a list of compatible modems. That's the place to start. I personally would hate to buy a used modem from someone on ebay. They do go bad and you just never know. Refurbished would be ok.

Is it possible for you to rent a modem for a month? Reason I am saying this is in case your service is poor your not stuck buying a modem that your not going to use. DSL probably has more issues in general than cable. (And slower upload speeds)

No your cable modem won't work for DSL. Different interfaces, technologies etc.You can most likely sell it on craigslist to someone else in your area.

Do you have your own Router? I would not pay any extra for a combo router/modem and instead use separate devices. They just tend to work a lot better if they are separate and if one dies you can replace just it instead of both.
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#5
Quote from LiquidRetro View Post :
Your ISP Should have a list of compatible modems....
I would not pay any extra for a combo router/modem and instead use separate devices. They just tend to work a lot better if they are separate and if one dies you can replace just it instead of both.
With DSL you're pretty much limited to gateways (modems with built in routers). The only one on the list of compatible modems that isn't a gateway is over 15 years old with an entirely telnet setup. EDIT: there might be a couple others but there are no stand alone vdsl modems.

You can however use a different router with your gateway. There are a couple ways to do this:
1. set the gateway to transparent bridging enter PPPoE credentials in your router.
2. set your router to be an access point, connect it to the gateway and disable the gateway's wifi.

Here's the list of compatible modems: http://internethelp.centurylink.c...table.html

Bonded VDSL really limits the number of compatible modems.


I'd be reluctant to buy a used DSL modem off ebay too. Best bet would be if your local best buy, walmart, or century link 'store' have the modem you need.

OP, they may claim 40mbps, but actual speeds are likely to be much lower. I'd be reluctant to agree to any kind of contract with a commitment on the length of service. If you do read it carefully so you know what your options are for getting out of it if speeds are too bad. The quality of service and speeds available really depends on where you live. Also note, taxes and fees add $20-30 to the base rate from either company.
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Last edited by jkee March 1, 2016 at 10:23 AM
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#6
Quote from LiquidRetro View Post :
Is it possible for you to rent a modem for a month? Reason I am saying this is in case your service is poor your not stuck buying a modem that your not going to use. DSL probably has more issues in general than cable. (And slower upload speeds)

Do you have your own Router? I would not pay any extra for a combo router/modem and instead use separate devices. They just tend to work a lot better if they are separate and if one dies you can replace just it instead of both.
Thanks and repped. That is a great idea, I'd go and ask a local CenturyLink for renting a modem. And yes, I'm gonna use my own router.
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#7
Quote from jkee View Post :
With DSL you're pretty much limited to gateways (modems with built in routers). The only one on the list of compatible modems that isn't a gateway is over 15 years old with an entirely telnet setup. EDIT: there might be a couple others but there are no stand alone vdsl modems.

You can however use a different router with your gateway. There are a couple ways to do this:
1. set the gateway to transparent bridging enter PPPoE credentials in your router.
2. set your router to be an access point, connect it to the gateway and disable the gateway's wifi.

Here's the list of compatible modems: http://internethelp.centurylink.c...table.html

Bonded VDSL really limits the number of compatible modems.


I'd be reluctant to buy a used DSL modem off ebay too. Best bet would be if your local best buy, walmart, or century link 'store' have the modem you need.

OP, they may claim 40mbps, but actual speeds are likely to be much lower. I'd be reluctant to agree to any kind of contract with a commitment on the length of service. If you do read it carefully so you know what your options are for getting out of it if speeds are too bad. The quality of service and speeds available really depends on where you live. Also note, taxes and fees add $20-30 to the base rate from either company.
Thank you for the compatible list. Well the price out of 1 Yr contract is nearly double, but I assume if my contract is 40mbps and I get like 5mbps I have the right to cancel my contract, don't I?

I'll try to rent a modem for a month from their store and test their service and then decide.

I was also told the VDSL was higher quality than regular DSL. Assume I get a good service and want to keep it, are these modems in the list comparable?
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Last edited by bb989 March 3, 2016 at 11:18 AM
#8
Quote from bb989 View Post :
Thank you for the compatible list. Well the price out of 1 Yr contract is nearly double, but I assume if my contract is 40mbps and I get like 5mbps I have the right to cancel my contract, don't I?

I'll try to rent a modem for a month from their store and test their service and then decide.

I was also told the VDSL was higher quality than regular DSL. Assume I get good service and want to keep it, are these modems in the list comparable?
Only the modems in the "bonded" column will work for you, if you're line is indeed setup for bonded vdsl which uses 2 pairs of wires instead of 1.

Read the terms. I think you can cancel within the first 30 days and get out of your contract. In the same time span you should also be able to return a purchased modem. It might actually be simplest to just buy the modem. The fewer interactions you have to have with the CSR's the better. Purchasing a modem directly from them or one of their retail partners (select walmart and best buy locations) for the correct type is the probably the best option. The ~$40 in savings for buying a used modem off ebay isn't worth the potential hassle.

If you're in a market where 40/5 is available you should have pretty good service as they probably have speed options 100mbps+. However, on the whole compared to cable, DSL is still more prone to issues.
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Last edited by jkee March 3, 2016 at 11:29 AM
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