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Connecting Cat5e cable to BT 78A junction box

Hi, I recently moved to a new house but there were no telephone sockets in the entire house. There was only a BT junction box with the outside wire connected to it. I had thought of calling in a BT engineer to install a new telephone cable and socket but its expensive and I have recently found out that its better to have cat5e or cat6 cabling and connections. I have read that it improves internet speeds and there is less interruptions with the signals. I had problems in the past with my internet due to the cabling being interrupt by several appliances and neighbours appliances. 
Can anyone with good knowledge on telephone installation give a DIY guide on how to connect a Cat5e cable to a BT 78A junction box? I have the necessary equipment ready. Thank you for your time.

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You can get this device to help you.

http://www.run-it-direct.co.uk/run-IT-direct%20Price%20List.pdf

I believe it is on the 8th page.

Posted on Oct 17, 2008

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The wires/colors in a category 5e cable run in pairs. They should be tightly twisted together, mostly white with a blue tracer. mostly blue with a white tracer- mostly white with an orange tracer- mostly orange with a white tracer, mostly white with a green tracer- mostly green with a whte tracer, and mostly white with a brown tracer- mostly brown with a white tracer.The jack you have sounds like a standard telephone or cat. 3 jack. If the jack is being used for a standard telephone line, you'll need to connect one of the wire pairs(usually the white/blue pair) to the green and red terminals on the jack.Make sure that the same pair is also terminated at the main telephone junction.

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I have a broadband DSL modem/router in my home office. I also have 2 CAT5e ports there. I want to feed the Internet signal from the router (one of the ports on the back) through a CAT5e point up to my...


Hi Joe,

How are you connecting to the port in the back of your router? if you have crimped a male plug on to some UTP cable then this may be the problem. UTP cable has a solid condutor and needs a different male crimp plug than UTP patch cable, which has stranded conductors.

I suggest you connect the UTP cable between the office and the loft to an RJ45 wall or surface socket in the office, use a terminating tool designed for the make and type of outlet you use, i.e. if using an ADC socket use the ADC termination tool. The sockets are designed for solid cable and have a colour code for you to follow. Then use a factory terminated patch cord between this socket and the router port.

I assume you have terminated the cable from the office onto one of the patch panel ports and want to use a patch cord to patch from this incoming socket to the sockets that are terminated onto the cables going to your other rooms. If you have access to a laptop connect this directly into the router port and ensure you have an internet connection, then plug the patch cord connecting the loft port into the router and take the laptop into the loft and ensure you have a connection at the incoming port on the patch panel. If you get the connnection there then use a factory patch cord to patch to a room you would like a connection in and then take the laptop to that outlet and ensure you have a connection.

If you want to run outlets in multiple rooms without re-patching every time then you will need to have an active switch in your loft and connect the port from the office to this and then patch out of the switch ports to the various room outlets.

Hope this helps.

Cheers, Jason

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Plz explain me exactly for which purpose RJ-45 cable used ?


RJ -45 is a type of connector used on cat5, cat5e....etc cables to connect networked devices...the RJ stands for registered jack but there is really not much you really need to know about it....a RJ 45 JACK is a little bigger than a telephone jack, you'll notice the female type of input on your computer or laptop and the male end will be on the end of the cable that goes into this jack....hope this helps

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Those two jacks are telephone jacks (RJ-11) not ethernet (RJ-45). The jack marked telephone is for a phone, and the jack with a rectangle symbol is for the telephone line into the wall.

You need to buy an ethernet PCI card - without one you can not use a cat5e line (which has an RJ45 connection).

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Using patch panel fields and patch cables versus running cat5e and field crimping a modular RJ45 end


I would tell you what I think of your IT folks, but I don't want you to rate this response as IA :-)

Yeah, they have a point. Wiring point-to-point does cut down the chances for failure....provided they used the proper plugs and don't plan on moving them around. It gives them job security because you have to label each cable and when the tags fall off, only they know where the cables go. Plus, a structured cabling system give you, well, STRUCTURE. You're not at the mercy of the guy who "crimped" some imported 8-pin plug on a piece of wire. Wait were those solid or stranded wire plugs? It may run 10 Base T, but it is unlikely that it will run 1000 Base T.

A proper infrastructure contains a patch panel properly labeled and jacks at the computer end, with patch cords of various lengths to the computer and switch. We're a Leviton house, so the link is to their web site.
http://www.leviton.com/OA_HTML/ibeCZzpHome.jsp?minisite=10028&respid=22372

Just my opinion.

Carl



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You wont be able to....You need another NIC...you can Pick one up at Circuit city of best buy for about 10 to 15 bucks.

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