What do you do? You can now get adapters to connect touchpads to a hard wired old fashion network. Usually consists of a usb connection sometimes known as an On-The-Go or OTG cable and then attaching the ethernet adapter. Of course you still need that cable to connect to the network. Where do you get the cable? If you are at a business establishment, they probably have a spare. Looks better if you already have a cable with you though. Most better electronics stores now carry them. You have to be careful. I was at Walmart today and they had one for forty dollars. Eeeks. They had some others for between twelve and twenty dollars. A decent length of cable should be under ten dollars.
You have another alternative though and that is to make your own cable. If you take any amount of IT classes, you will be required to make a cable at least once. With a lot of companies converting from wired to wireless you can almost get old eight conductor cable for free. You will still need to get some of the RJ-45 plastic ends. Telephone wire uses RJ-11 ends. Generally there are different qualities of cable such as cat5, cat5a, and cat6. For a short cable on a traditional network, the qualities are not that critical yet. If your needing to make a lot of cable, it makes sense to buy cable in bulk.
The network connection has changed over the years. While looking in the junk pile I found this old network adapter that had bnc (like coax cable), aux, and now the standard rj-45 connection.
Step 1: Some Background.
If you used a cable from a computer to a switch, the MDI cable usually worked just fine. Between routers usually used the crossover cable. Eventually those units had switches to allow the use of non-crossover cables. Today most routers now support auto-mdi so that it is not that critical as your the standard configuration. In most cases you will need just to have switchs and standard cables to connect everything together. Now there is an exception. What if you want to hook two computers directly without a switch. You would then just use a crossover cable. Cool. So how does the cable go together. Most cables have the eight conductor inner wires color coded in a certain fashion.
Ethernet cabling comes in two versions usually comes in two versions, Tia/eia 568a and Tia/eia 568b. Tiaa/Eia 568b on both ends what is used for traditional MDI cable. If you want and MDI-X cable you would have one end as Tia/Eia 568a and the other end as Tia/Eia 568b. There are other configurations, but these are the most common. Sometimes the configuration is known as wo-o-wg-bl-wb-g-wbr-br and wg-g-wo-bl-wbl-o-wbr-br. So you have four pairs of twisted wires. See typical cables as shown above.
Let;s make a cable.
Step 2: Some of What's Needed.
You will also need at least two and better if you have more ends in case you make a mistake. Been there done that.
End protectors are option, but make the job look more professional
Step 3: Cutting the Mustard.
Add an end protector if you have them.
Step 4: Split Ends.
Step 5: Getting in Line.
Step 6: Means to an End.
Recheck the cable color selection, if not correct, pull the wires out and reposition them. Then reinsert the cable. Also takes a bit of practice. Put the cable in the crimping tool and PRESS DOWN. Remove the cable from the crimper.
Now do the other end.
What an end should look like in last picture Ends in the other pictures are typical of first time cabling for reality purposes.
Step 7: Quality Control.
There are also testers designed to connect to a live network. But even then some can give false positives that the connection is good. Again read the manual on how to use it. Units made by Fluke have been the standard.
If all is well, use your cable. That is the real test. If for some reason you made an MDI cable and you need and MDI-X cable, you can get an adapter so that you do not have to redo the cable. Usually carry one with me on jobs.
Note: you will eventually need a new end. They do not last forever. But you are ready to take care of that now!
Step 8: Let's Not Forget the Female End.
The connector is color coded with the standard wo-o-wg-bl-wbl-g-wbr-br. Not always in that order. Note the B and the A markings. Since the B type cable is used most often, the color chart is on the top.A so all you have to is is slide the proper color wire in the correct slot and then punch it down.
Example of a punch down tool being used. notice the extra lenth of wire.Pretty simple and easy. You will end up cutting off the extra wire.
Once you have punched down all eight wires, you will cover the unit with the provided caps.
We just use cheap punch down tool that syou can get probably 5-10 for 3 bucks. Good punch down tools go for thirty dollars or more depending on where you get the tool and how good it is.
Step 9: Using the Cable With the Portable.
Step 10: Ethernet Over Power.
Step 11: Security Issues.
Remember mixed networks can have security issues.