rj45 to rj11

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Uday Pratap

Commendable
Jun 12, 2016
1
0
1,510
hi team i got a connection through rj45 which is directly connected to my PC, in previous ISP provided me connection through rj11. as i had a connection through rj11 so i have a ADSL modem+wirless router, but new ISP provide me connection through rj45 due to which i am unable to use that modem+router to get a wireless connectivity.

how would i get use my old modem+router (which only have rj11 input option) with rj45.

is there any option to convert rj45 to rj11 so thet i can use my old modem+router (wireless).
is there any adopter which can convert rj45 to rj11

please revert
 
Solution
B
The RJ11/RJ45 cable conversion would be the simple part. These are just physical connectors they have nothing to do with what is running over the wires. Most RJ11 is running DSL or phone lines. These are not ethernet and just putting a RJ45 plug on does not make them ethernet.

You could likely put a electrical plug on the end of your cable but if you plugged it into the wall outlet all you would do is fry your router it does not somehow change the electricity to ethernet.

Your router requires a DSL signal on the wires coming in, it pretty much can not be used for anything other than hooking to a telephone line from a ISP.

If you need a router you will likely have to buy one that has ethernet WAN ports.....now there a small...
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maxwellmelon

Splendid
Oct 2, 2013
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https://answers.yahoo.com/question/index?qid=20130110210222AAjgXZU

not my answer but seems like you just plug the rj11 cable into the middle of the rj45 plug the following is quoted from link above

"Cut the RJ11 plug from one end of the phone line. Strip the wires and put them into a RJ45 end and crimp it. You ll need a special crimping tool, and RJ45 Jacks. You put the 2 wires from the RJ11 into the middle 2 of the RJ45. Simple.
Or you can buy special cables that have an RJ11 on one end and a RJ45 on the other.

There s nothing magic about this. The middle 2 are the ones you use on the RJ45.

Supposedly when they made the RJ45 s they were designed to accept RJ 11 plugs.......They do.....sort of....lots of times there s connection problems........for instance on a UPS that uses RJ45 sockets .....when most people had RJ11 phone jacks only. PITA cause it doesn t work very well........supposed to"
 
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bill001g

Titan
Aug 9, 2012
28,354
2,764
125,640
The RJ11/RJ45 cable conversion would be the simple part. These are just physical connectors they have nothing to do with what is running over the wires. Most RJ11 is running DSL or phone lines. These are not ethernet and just putting a RJ45 plug on does not make them ethernet.

You could likely put a electrical plug on the end of your cable but if you plugged it into the wall outlet all you would do is fry your router it does not somehow change the electricity to ethernet.

Your router requires a DSL signal on the wires coming in, it pretty much can not be used for anything other than hooking to a telephone line from a ISP.

If you need a router you will likely have to buy one that has ethernet WAN ports.....now there a small number of dsl routers that have both a DSL and ethernet WAN port.
 
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