rj11 convert to rj45 will working?

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Karics

Reputable
Nov 13, 2014
18
0
4,510
Hello!

I have a fritzbox 7362 SL, which is a modem router.
So, I have a cable with rj11 from the "wall", and should somehow to put in the fritzbox, which have rj45 plug for ADSL. My previous modem router had a rj11 plug.
Is it possible to make work this gear with a rj11 (only two wire).
 
Solution
A
If your router has RJ45 WAN port, it is not DSL modem/router combo, so you need separate modem.

@jsmithepa - yes, it will plug and click, with possible dire effects (depending on the router) for the WAN port. I would not give advice on matters beyond my knowledge.

Hopefully, the said device is ADSL modem/router/VOiP combo, so even if the DSL connector looks like RJ45, it is RJ12. The RJ45 connector is for ISDN connection, which has nothing to do with DSL or Ethernet.
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mbarnes86

Splendid
Sep 16, 2010
3,839
7
26,965
Normally the rj11 socket is for a telephone wire connection which carries the adsl broadband signal to the modem input

Rj45 sockets are for ethernet cables out from switch or possibly input from a modem such as cable or fibre. The input socket is usually a different colour to the other sockets

Regards
Mike Barnes
 
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jsmithepa

jsmithepa

Polypheme
Jun 14, 2014
13,096
263
60,840

U don't even need that.

A RJ11 cable will click into a RJ45 jack just fine. Just do it carefully, making sure the plug sits in the MIDDLE of the jack, the locking tap will guide you. When you have done this properly there will be a little gap on both sides of the plug.

This is a zero, non-issue, don't even have to spend a penny.
 
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Alabalcho

Titan
Jan 13, 2011
14,019
435
76,290
If your router has RJ45 WAN port, it is not DSL modem/router combo, so you need separate modem.

@jsmithepa - yes, it will plug and click, with possible dire effects (depending on the router) for the WAN port. I would not give advice on matters beyond my knowledge.

Hopefully, the said device is ADSL modem/router/VOiP combo, so even if the DSL connector looks like RJ45, it is RJ12. The RJ45 connector is for ISDN connection, which has nothing to do with DSL or Ethernet.
 
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