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Masterlink -> RJ45 Cable (what is the right connector)

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Tim84
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Tim84 posted on Mon, Nov 11 2019 9:06 AM

Hello together,

 

as I now have completely set-up and tested my B&O Masterlink installation it is time to hide all the cabling. Therefore i installed CAT 7 into my house some time ago. To connect everything I need a bunch of ML -> RJ45 Cables (15 pieces). As these cables are quite expensive and I have enough masterlink cables I wondered if i could cut the ML Cables into two pieces and attach RJ45 connectors to each end.

 

I understand this is the right cabling:

 

PIN  CAT    Masterlink
 1 ws/or rt (16) 
or  ws/rt (15) 
ws/gr  pink + ws/bl (12+13) 
6  gr bl (11) 
ws/bl  ws/or (13) 
bl  or (14) 
ws/br  gr (2) 
 br ws/gr (1) 
   gnd  gnd

 

Do you have recommendations for the right RJ45 pConnector as there have to be connected 2 wires to PIN 3.

Living room: BeoVision 7 MKV + BeoLab 7-2 + 2x BeoLab 8000 + BeoLab 2 + 2x BeoLab 4000
Office / guest room: BV 7-32 MKIV / BL7-1; BeoSound Core + Turntable
Kitchen: BeoPlay M3
Bathroom: Gira Radio + BeoLab Celestial
Entrance: BeoPlay M3

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Zeus_72
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Zeus_72 replied on Fri, Mar 27 2020 10:57 AM

Well Done Johan....Thumbs Up

I'm very proud of your result and your lighter Wink

Tim84
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Tim84 replied on Mon, Jun 8 2020 8:31 PM

Thank you so much for all of your replies. I now had the time to some cabling. And tried a  lot of RJ45 connectors till I found the best solution.

The best working connectors for me are these ones I found on amazon. They have a very solid quality.

 

The best way is as a lot of other ones here already have shown to handle all cable except for the white/Blue and Oink one like the are. The white/blue and pink one have to be connected before you crimp them. I will post some more pictures the next days as I have to do 6 more cables.

Living room: BeoVision 7 MKV + BeoLab 7-2 + 2x BeoLab 8000 + BeoLab 2 + 2x BeoLab 4000
Office / guest room: BV 7-32 MKIV / BL7-1; BeoSound Core + Turntable
Kitchen: BeoPlay M3
Bathroom: Gira Radio + BeoLab Celestial
Entrance: BeoPlay M3

Johan
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Johan replied on Wed, Jun 10 2020 9:13 PM

Cool! Maybe a trick that could help you with a tidy installation: I used a double RJ45 wall outlet and connected the two female sockets internally. So now the outlet works as a splitter, and I can connect two MasterLink devices that are close (in my case a BeoSystem 3 and an ML/MCL converter).

Tim84
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Tim84 replied on Sat, Aug 15 2020 5:32 AM

Johan:

Cool! Maybe a trick that could help you with a tidy installation: I used a double RJ45 wall outlet and connected the two female sockets internally. So now the outlet works as a splitter, and I can connect two MasterLink devices that are close (in my case a BeoSystem 3 and an ML/MCL converter).

 

This is an amazing idea as I also have two Masterlink devices next to each other. [BV7 and ML Gateway]
Thanks for this superb idea now automation has no limits ;-) 

 

Living room: BeoVision 7 MKV + BeoLab 7-2 + 2x BeoLab 8000 + BeoLab 2 + 2x BeoLab 4000
Office / guest room: BV 7-32 MKIV / BL7-1; BeoSound Core + Turntable
Kitchen: BeoPlay M3
Bathroom: Gira Radio + BeoLab Celestial
Entrance: BeoPlay M3

Johan
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Johan replied on Sun, Aug 16 2020 10:59 AM

Thumbs Up glad you like my trick!

mmmoller
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Hi Tim84,

In my home all rooms are cat6 cabled and has two data outputs. Will I be able to do the same, or must the installation be with cat7 in order for it to work?

 

Living Room: BeoVision 7-55 MKII / BeoLab 7-6 + BeoRemote One +  2x BeoLab 8002 + BeoLab 2 + 2x BeoLab 6002 + BeoSound 9000 MKII + BeoSound Core + BeoCom 2 + BeoLink Gateway + BLC NL/ML
Master Bedroom: BeoVision 11-55 MKIV + BeoRemote One + 2xBeoLab 6000 + 2x BeoLab 4000 + BeoTime + BeoCom 2
Guest Bedroom: BeoVision 6-26 MKIV + BeoRemote One + BeoCom 6000
Home Office: BeoVision 10-32 + BeoRemote One + DVD1 + BeoCord V8000 VHS + BeoSound 8 + BeoSound 1 (CD version) + BeoPlay A1 + BeoCom 2
Sewing Room: BeoVision 10-40 MKII + BeoRemote One
Bathroom: BeoPlay M3 + BeoRemote One

 

kallasr
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We use CAT6 cabling in our house with ML/RJ45 cables without any issues.

Ralf

Living Room: Beosystem 4, Beolab 7-2 (Center), Beolab 9 (Fronts), Beolab 8000 (Rears), no Subwoofer. Screen: Sony KD-85XH9096
Dining Room: Beosound Essence MK II with Beolab 4000 on stands, fed by Amazon Echo Show 8
Home Cinema: Beosystem 4, Beolab 7-4 (Center), Beolab 1 (Fronts), Beolab 4000 (Rears). Projector: Sony VPL-HW55
Home Office: Beosystem 3, Beolab 7-4, Beolab 5000, Screen: Sony KD-55XH9005 on Beovision 7-40 stand, ML to Beosound 9000 MK3 and Beosound 5/Beomaster 5 (1 TB SSD version)
Bedroom: Sony KD-65XH9077, Beosound Essence MK II with Beolab 6002 and Beolab 11 (all white, wall-mounted)

In storage: Beolab 5000/Beomaster 5000 (1960s). 

Johan
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Johan replied on Fri, Mar 5 2021 3:22 PM

Hi, you will need to have S/FTP (shielded, foiled twisted pair) cabling for this.

Johan

JulianJ
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This is a very interesting thread!

Would these be of interest...

https://www.av-connection.com/?PGr=14046

 

BeoMedia
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BeoMedia replied on Mon, Mar 29 2021 12:00 PM

Great thread!

I happened to have a spare ML plug so I did it the other way around and crimped a ML plug to a CAT6 shielded cable. Works fine.

 

RJ45 pins to ML pins, I think you have a typo in your pin conversion. I believe that pin 3 on the RJ45 should connect to pin 12 & 3 on the ML plug. Just highlighting this in case other users will use this thread as a reference. I found a picture on the internet where I have added the ML pin 12 to the RJ 45 pin 3.

I have also confirmed these connections by measuring an original Bang & Olufsen ML to RJ45 cable.

I also found a great guide for the Ml plug on the internet with pictures. https://powmascables.com/PDF/Aansluit-schemas/Masterlink-Connector-kabels.pdf

 

Lastly, where have you managed to get hold of RJ45 shielded plugs for installation cables where the ML wires can fit? The one I managed to get hold of doesn't fit the ML wires.

Regards, BeoMedia

Johan
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Johan replied on Mon, Mar 29 2021 4:24 PM

Hi BeoMedia,

For the pin-out I used this as a source: https://beointegration.com/uploaded/EN-BeoLink-handbook-v1-9.pdf, page 98. It confirms what you write: position 3 in the RJ 45 is connected with position 3 and 12 in the ML plug with resp the white/blue and pink wires.

The RJ45 connectors I used did not really have separate holes for the separate wires, so there was a bit more room, still pretty crowded in there :-). I ordered these a long time ago, not on purpose for this feature though. I ran out of them, cannot tell anymore the brand/type.

I did read that Van Damme cables has some RJ 45 connectors with extra large holes https://www.van-damme.com/vandamme_product/van-damme-oversize-category-6a-rj45-connectors/#1537534704706-04936170-849f24df-956fb40f-3195 (1.5mm, is that enough?), but not sure if they are large enough. Can you measure how thick those ML conductors are?

Regards and good luck!

Johan

Johan
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Johan replied on Mon, May 3 2021 4:41 PM

I did purchase some RJ45 of a brand called 'Vention' that claims that the conductor holes are 1.3mm. I made a couple of MasterLink cables with them and found that most of the ML conductors fit eaxtly, others need some motivation. I trust there are various makes of ML cables around, and I am not sure about the tolerances of both conductors and connectors, but it might be wise to find connectors that are specified to 1.4mm.

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