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How to make a Cat 5 Patch Cable

Cat 5 Patch Cable Assembly Instructions

Download - How to make a Cat 5 Patch Cable

Step 1

This procedure generally applies to Cat 5E connectors.

See Connectors

Step 2

Cut the cable to the length needed.
If you plan to use snagless boots, this would be a good time to slide them on.
Be sure the boots will be facing "out" towards the connector.

See Snagless Boots

Step 3

Strip back the cable jacket approximately 1 inch.
Use the cutter provided with the crimping tool or strip by hand.
Be careful not to nick the individual wires.
Un-twist each of the 4 pairs and straighten each wire as much as possible between the fingers.

Grouped and Sorted wires Stripping the Cable

Step 4

Use the 568-B wiring scheme on both ends for a standard patch cable.

Inserting wires into connector

For a crossover type cable use the 568-B scheme on one end and the 568A on the other end.

Inserting wires into connector

Step 5

Bring all of the wires together as closely as possible.
Hold the grouped (and sorted) wires together tightly between the thumb, and the forefinger.
Cut all of the wires at a perfect 90 degree angle from the cable,
1/2 inch from the end of the cable jacket.
Use a sharp cutting tool so as not to "squash" the wire ends.

See Precision Cutting Tool

Inserting wires into connector Precision Cutting Tool

Step 6

With the connector pins facing up, carefully insert the wires into the connector.
Apply a moderate amount of force in order to properly seat the wires against the contacts in the connector.

Step 7

Observe the tip of the connector to confirm that all the wires are fully inserted. The end of each wire you should be in full view.
Also, there should be enough of the cable jacket inside the connector to crimp against.

Top view of wires inside the connector Front view of wires inside the connector

Step 8

Place the connector into the crimp tool, and squeeze hard so that the handle reaches its full swing.

See Crimping Tools

Crimping the cable

Step 9

Repeat the process on the other end using the desired wiring scheme.
Be sure to slide the snagless boots snugly over the connectors when finished.

Step 10

Always use a cable tester to check for continuity, opens and shorts.

See Cable Testers

Testing the cable

Step 11

Building patch cables takes practice so keep at it until you master your technique!

Download - How to make a Cat 5 Patch Cable

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