Download Crossover Patch Cable Vs Crossover Cable Free

Posted : admin On 13.09.2021

10ft Cat6 Snagless Unshielded (UTP) Network Crossover Patch Cable - Red. C2G offers FREE tech support tools for all of our products, period. While you might understand the highlights between Ethernet patch cables vs. Ethernet crossover cables, don’t make the mistake of trying to connect two similar devices with a patch cable. Because of the patch cable’s wire configuration, it’s only designed to connect different devices. The same goes for crossover cables, in that they won. All in all, to determine if you have a patch cable or a crossover cable, what you need consider are the wiring of the cable and the situation in which you will use the cable. FS.COM offers a full range of colored patch cables (straight-through) including Cat5e patch cables, Cat6, Cat6a and Cat7 cables to meet your network requirements.

For years people have used the old and untrusty DB60 DCE to DB60 DTE cables to simulate WAN connectivity between Cisco Routers using WIC-1T modules; and what I mean by untrusty is that these cables have a tendency to go bad after you move them around a lot in a lab environment.Download crossover patch cable vs crossover cable free download

While the WIC-1T cards are extremely cheap, the DB60 DTE to DB60 DCE cables can cost anywhere between $5.00 to $15.00 each which can add up really fast in a lab that has more than 5 routers.

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Another common alternative is to use the WIC-1DSU-T1 which is dirt cheap and supported in the older Cisco 1700, 2600, 3600 series routers however WIC-1DSU-T1 is NOT supported in the newer ISR routers such as the 1800, 2800 and 3800 Series. For the newer routers you’ll need the second generation card known as the WIC-1DSU-T1-V2 which can also be commonly found on eBay for under $10.00

As for the WIC-1DSU-T1-V2, it will also work in the older routers with the latest Cisco IOS software.

Shown below is a picture of the WIC-1DSU-T1-V2

The difference between the WIC-1T and the 1DSU cards is that the 1DSU cards have an integrated DSU and does not require an external box to be connected via synchronous serial. The 1DSU cards can be cabled using standard unshielded twisted pair cable (Cat3, Cat5, Cat6, etc.)

Unfortunately a simple ethernet cable will not magically make the WIC-1DSU-T1’s cards talk to each other because the pin-out schematic is different than a standard patch or crossover.

You can make your very own T1 crossover for pennies on the dollar however you will need 2 RJ-45 jacks, some Cat5 cable and a crimper tool; all of which can be picked up at your local hardware store such as Lowe’s, Home Depot, Ace Hardware, etc… (If you’re in the United States).


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And now for a fun fact… The most common color you will see used for T1’s in the industry is either white or yellow.

Before you start, it’s a good idea to modify the RJ-45 Jacks a little bit. Using a small flat head screw driver or pocket knife remove pins 3, 6, 7 and 8 from the jack so that it looks like this;

This way only the wires that are needed to be connected to the T1 WIC card are actually connected. Other wires in the RJ45 connector are not used for anything and this will also help you easily identify the type of cable in the future. Keep in mind this is not a mandatory requirement to make the cable, its just good practice.

Once the RJ-45 connectors have been modified you can then proceed to building the cable, one side at a time of course. In a standard T1 cable, wires 1,2 and 4,5 will be swapped at each end of the cable looking like the following;

As for the color of the wires that go into pins 3, 6, 7 and 8; these can be any color you choose. Sometimes it’s easier to make the cable using certain colors in different spots.

Once the cable has been successfully crimped on both ends you can test it out between two WIC-1DSU-T1’s. If the cable was made correctly the CD (Carrier Detect) LED should light up on both WIC’s. At that point you can assign IP addresses to the serial interfaces and verify IP connectivity between the two WIC’s.

Below I have provided an example verification;

Hope this blog was helpful ^_^ Please be sure to share!

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Download Crossover Patch Cable Vs Crossover Cable Free

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Crossover Cable Vs Patch Cable

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Patch Cable v. Crossover Cable

Download Crossover Patch Cable Vs Crossover Cable Free Download

[Q] What's the difference between CAT 5e patch cable and CAT 5e crossover cable?

[A] The difference has to do with the wiring of the cable and the situation in which you will use the cable.

On a CAT 5e patch cable, the wiring configuration is identical on both ends of the cable.

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On a CAT 5e crossover cable, the wiring of pins 1, 2, 3, and 6 are 'crossed-over' to pins 3, 6, 1, and 2.

CAT 5e crossover cables are used in situations where two devices have the same interface, for example, connecting a hub to a hub, or a switch to a switch, or even when patching a hub or switch into a wallplate.

The most common use is to connect two PCs directly to each other, without the use of any kind of router, hub, or switch. This is called a peer-to-peer network, and is a low-cost solution to allow file and Internet sharing between two computers.

RELATED FAQ QUESTION: Can I use an RJ45 splitter to connect two computers to one source?

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