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Tag Archives: crimp

Mar 29

Materials needed:  CAT5/5e/6 Cable, RJ45 Plugs, Crimping Tool for RJ45 Plugs, RJ45/Network Cable Tester

To make a Patch Cable using CAT5/5e/6 first, using the cable stripper on the crimp tool, strip about 25mm of the outer jacket to reveal the 4 twisted pairs being careful not to damage the twisted pairs.  A Stanley knife can also be used if the crimp tool does not have a cable stripper. 

Arrange the four twisted pairs as follows from left to right:  Orange White, Orange, Green White, Blue, Blue White, Green, Brown White, Brown. 

Straighten the pairs as much as possible whilst keeping them arranged correctly.  Once the pairs are straightened, trim them down to about 10mm, or enough to allow the RJ45 Wedge to grip the Cable Jacket when crimped, and insert into your RJ45 Plug with Orange White being in Pin Terminal One, Orange being in Pin Terminal Two, Green White in Pin Terminal Three and so on, making sure each of the pairs go into the correct Pin Terminal.

You can now use you crimp tool to crimp the RJ45 Plugs pins into the pairs and the RJ45 Plug wedge onto the jacket of the Cable.

RJ45 pins and pair arrangement shown below

 

After crimping your RJ45 Plugs to each end of your CAT5/5e/6 Patch Cable you’ll need to test the cable to make sure it will work correctly. An RJ45 Tester will test the Patch Cable and indicate if there are any problems with your cable.

If there is an issue with the Cable you’ve made the tester will indicated which end and which pin isn’t working correctly.

Mar 28

Materials Needed: RG59 Coaxial Cable, BNC Plugs, Coaxial Cable Stripping Tool, BNC Crimp Tool.

To make up a BNC cable first, using your cable stripping tool, strip about 20mm of the black outer cover from the cable exposing the copper braid, inner insulation and centre conductor.  Next place the BNC Ferrule onto the cable.  Then fold the copper braid backwards onto the black outer cover to reveal the white insulating material.  About 4mm of the white insulating material should now be removed and the centre pin of the BNC placed onto the centre conductor.  Using your BNC crimping tool, crimp the centre pin onto the centre conductor.  Now the BNC plug can be placed onto the cable, allowing the centre pin to be inserted through the BNC plug.  You should hear a click once the centre pin is inserted properly, be a snug fit and the BNC plug should hold the white insulating material.  You can now fold the copper braid over the BNC. place the ferrule over the copper braid and crimp using your crimp tool.  If any copper braids still showing, it can be trimmed away with an appropriate tool.

The below image will show you how to attach a crimp-on BNC Connector to a RG59 Coaxial Cable.

Making a BNC Cable

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