Cat 3 Cable Wiring Diagram

This cat5 wiring diagram and crossover cable diagram will teach an installer how to correctly assemble a cat 5 cable with rj45 connectors for regular network cables as well as crossover cables.

Cat 3 cable wiring diagram.

Click to find view print and more. Rj45 pinout diagram shows wiring for standard t568b t568a and crossover cable. Ethernet cable color coding diagram for. The only difference between 568a and 568b wiring is that pairs 2 and 3 orange and green are swapped.

It is the 568b diagram that we demonstrate in this tutorial and the 568a wiring is shown in the diagrams below mainly for illustration. Cat 3 or category 3 wiring is useful for wiring small networks telephones and dial up internet connections. It s still used in two line phone configurations but has largely fallen out of favor for wired networking thanks to the category 5e cable s superior performance. If you are an existing customer and have questions about your wiring or connection please call 780 450 6787 email.

Cat3 can be relied on to handle data speeds of up to 10 mbps but no more. Please note that these instructions are the same for cat 6 cable and and other type of 4 twisted pair network cable. However for the crossover wiring method the rj45 pinouts on each end of the cat5e are different. The category 3 or cat3 standard was used heavily in the early 90 s for wiring offices and homes.

Newer homes can have anything from cat 3 3 pair on up to cat 5e with 4 pairs with the insulation colors being a combination of solid and solid with white for each wiring pair. Many older homes are also already wired with cat 3 and if you need to add additional phone jacks you can maintain the same standard. The wire pair colors are blue orange green and brown. Cat 5 wiring diagram crossover cable diagram.

The different types of cables category or cat offer increasingly faster transmit and receive speeds this is achieved by increasing the wire twists better shielding drain wire and increased wire diameter. Click to check the right one for you or print as reference. If you are unsure which one to use then you should go with the 568b diagram. The complete ethernet pinout cable wiring reference with wiring step by step guide.

Straight through lan cables are the most common and the pinout is the same if they are cat5e cat6 or cat 7. When you are doing the straight through wiring the cable pinout on the two ends of the cat5e cable should be the same. It is a less expensive choice than cat 5 wiring which is appealing on a budget. The following picture shows how the eight wires are used for transmission in a crossover terminated cat5e cable.