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RJ11 ADSL Router connection to RJ45 Broadband

Posted on 2003-03-27
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I have a 512k Broadband service at home which is coming through a "broadband modem" (company owned) and is of a RJ45 connection, so I can plug it directl into my NIC on my computer to access the internet so long as i have registered my NIC's MAC Address with the company.

My current setup is a "homed network" - i have 2 NICS in my "server", 1 is connected to my "broadband modem" via RJ45 and the othe NIC is connected to my 4 port hub via RJ45. The internet connection is now shared to the hub, and all my client computers connect to my hub and access the internet and my entire network successfully.

I have just bought a ADSL Router which has a RJ45 socket for a connection which is labeled "Ethernet" and a another socket which is a RJ11 socket labeled "WAN".  The Router comes packaged with all the rewquired network cables (1 crossover RJ45 cable, 1 straight-through RJ45 cable, and 1 ??? RJ11 cable (im unfamiliar with RJ11 so im unsure if they come in straight-through or crossover).

My aim would be to use the router to connect to the "broadband modem (which is RJ45)" and share the connection to the hub (which is RJ45), but the problem is that the router has a RJ11 socket which makes it impossible to connect it to the hub. So, is this not possible due to my non-understanding of ADSL and Broadband, or is there perhaps a cable that is RJ11 on one end and RJ45 on the other end? or perhaps a RJ11 to RJ45 gender changer type block? Also, If any of your answers point in the direction of this actually being made possible, which type of connection type leads would i use to connect a) The router to the "broadband modem"? (crossover or straight-through), and b) The router to the hub? (crossover or straight-through).

Appologies is my question explaination seems long but I wanted to explain fully in one post.  I appriciate any help anyone can give.

-WizzKidd
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Question by:wizzkidd
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Expert Comment

by:dipersp
ID: 8222125
Well, I'm a little confused, but let me give this a try.  First off, an RJ11 is a typical "phone" connector, while an RJ45 is for your ethernet network.

If you bought an ADSL Router and it has an RJ11 and RJ45, chances are, this router will take the place of your modem.  So, you'd need to configure your new ADSL Router to replace the modem, possibly plugging in any username/password you use on your PC now to the router itself.  Then you'd plug the hub into the router using the cross-over cable.  

What brand/model is the ADSL router so I have a better idea of how it's working?
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Expert Comment

by:YardDon
ID: 8222184
WizzKidd,
I think the router you bought has a modem in it that's the purpose of the RJ11 connection, that would replace your Broadband modem. If this is not what you want then I suggest you take it back and get a router without a modem built in and the rest should be fine.
With the Router you would not need the extra card in the server, the router would handle ip adressing for you.
Guys If I am wrong, I stand corrected.
YD
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by:wizzkidd
ID: 8224515
The Router is a "Lucent Technologies Pipeline Remote Access Router CELL-20A-GX-E"

I dont beleive that the router has a built in ADSL modem or replaces the use of my "Broadband modem" because the setup looks as if I am expected to already have a ADSL (telephone connection type adsl (highspeed) modem). Then I would plug the ADSL modem (RJ11) into the router, and then the router would intelligently share the internet connection to my hub (via RJ45) and then my client machines would plug in to my hub.  However I do not have a ADSL (telphone connection type adsl (highspeed)) modem, i only have my ethernet RJ45 type Broadband Modem, which I cant connect into the router cause the socket is different.

I hope that explains a little better.

-WizzKidd
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Expert Comment

by:dipersp
ID: 8224602
Wow, haven't seen one of those in a long time!  The CellPipe product from Lucent IS a router/modem combination.  Throw out your current broadband modem because the lucent will do it all.  Plug it into your phone line and your hub and configure - that's it.
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by:wizzkidd
ID: 8224777
Humm ok thanks, I didn't think that it would have had a built in modem because its so light weight and small.  Anyway im going to have to return the router because im not subscribed to any ADSL ISP, im only subscribed to my Broadband ISP which provide 512k downstream and 256k upstream. And its all via ethernet, so no telephone lines connected at all.

Its time for a refund I guess unless you can state otherwise. Points look like they're heading your way "dipersp" - but before I do, I just want to confirm that my only option now is to refund my router right?

-WizzKidd
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dipersp earned 60 total points
ID: 8227030
Well. . .  I would THINK you could use it in place of your current ADSL modem.  There isn't an RJ11 connection on your current modem running between it and a phone jack on the wall?  I'm not sure how else it would work, unless you were in a "complex" that's wired and you have an RJ45 on the wall.  But then you probably wouldn't need the modem anyway.

Well, if you need to take it back regardless, I would advise you to try and find a D-Link DI707.  It's an EXCELLENT router minus the modem, and also has 7 ports built in for sharing, and you can also plug a hub into it.  The DI704 has 4 ports, but the software isn't as good as the 707.  If you can't find D-Link, do a good Linksys.
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by:wizzkidd
ID: 8228508
Thank you for your response. I am left unfortunatly no better than I started off with however your answer has provided some good alternative router solutions. Thank you.

-WizzKidd
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