A keystone jack is a small rectangular piece of plastic that is used to connect network cables to a wall plate or patch panel. Punching down a keystone jack involves inserting the wires of the cable into the jack and using a punch down tool to secure them in place. Here are the steps to properly punch down a keystone jack:
Step 1: Strip the cable jacket
Start by stripping about 1 inch of the outer jacket from the end of the cable using a cable stripper. Make sure not to cut into the inner wires.
Step 2: Untwist the wires
Untwist the twisted pairs of wire until they are straightened out.
Step 3: Arrange the wires
Place the wires in the proper color order according to the wiring standard being used (TIA/EIA 568A or 568B). The order should be: white/green, green, white/orange, blue, white/blue, orange, white/brown, brown. Make sure that each wire is straight and flush against the keystone jack.
Step 4: Punch down the wires
Use a punch down tool to push each wire into its corresponding slot on the keystone jack. The punch down tool will punch a metal blade into the wire, securing it in place and cutting off any excess wire. Make sure that each wire is fully seated and securely fastened.
Step 5: Trim the wires
Using scissors or wire cutters, trim any excess wire that is sticking out from the keystone jack.
Step 6: Test the connection
Check to see if the keystone jack is connected properly by using a cable tester or connecting the cable to a device. If the connection is successful, the keystone jack is ready for use.
Punching down a keystone jack can be a simple and effective way to create a network connection. With the right tools and a little patience, you can easily install and connect keystone jacks in your home or office.
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