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Pin Assignment questions(rj-45)

spaceman

spaceman

Lifer
3 pcs on site,
cat 5 running thru walls out to jacks,
does anyone know the pin assignment going from jacks to hub?(have to crimp the wires and would like to do it correctly the 1st time)
PS:having the modem feed into the hub and hopefully at the end have all systems sharing internet connection.




 
Holding the connector with the open end toward you, clip down:

Orange-White, Orange, Green-White, Blue, White-Blue, Green, White-brown, Brown.

Just buy the cables, save yourself some problems.

Make sure the connectors are Cat5/5e/6 rated, for round cable, and are specific to the cable you're using (stranded or solid).
Cheap connectors are for telephone / non-data structured cabling use.

There can be no more than 1/2" of wire exposure, and no more than 1/2" of untwisted pair. The cable jacket should crimp under the "dent" near the back of the connector.

Failure to do it right means your next post will be "My netork is running slow" or " I can't connect at 100Mbps."

Solid conductor cable makes bad jumpers, and, to me, crimping stranded cable is a notch below eating liver. I won't do it if there's any possible way to avoid it. I'd rather eat a shovel-full of warm worms than try to crimp stranded. It sucks. It's a pain in the A$$. It's frustrating.

With careful shopping, you can probably buy a BUNCH of jumpers for the cost of the materials and tools (and alcohol consumed during/after to ease the pain and frustration).

FWIW

Scott
 
Why do you say solid makes bad jumpers? I've not had a problem, (YET). I use solid wire and AMP connectors...

-Rhi
 
solid wire is for stationary horizontal cabling. Stuff that doesn't move. Jumpers use stranded cable, made to be move around from time to time.

using solid wire for jumpers leads to breaks.
 


<< Why do you say solid makes bad jumpers? >>


Solid makes great jumpers, for a while. If moved, kicked, flexed, abused or otherwise used, the solid jumper will fail much faster than a stranded jumper given identical treatment.
I made an RS232 cable out of solid and it lasted about a year. The next one was stranded and I still have it 7 years later. How long will your cable last? Who knows. However, it won't have the curtsey to break cleanly and fail. It will probably become intermittent, or only operate at 10 mbps.

If you need solid jumpers, go for it. Just keep in the back of your mind that they are more delicate and could fail at any time.

Doug
 
EEEHHEhehhhhhhhheeeh. I'm not dumb. REALLY. 🙂 I've been using stranded all along...I forgot that I've never actually stripped one of the wires...just crimped/punched em' down. ngjkfdngjskfd gg braindump

-Rhi
 
Stranded UTP is not meant to be punched down. It tends to be a flakey connection.

Solid=punch
Stranded=crimp

FWIW

Scott
 
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