Computer Networkings

Cross Over cable | RJ45 |CAT5 Ethernet Cable | Cable Tester |Crimping Tools |LAN Cable |IP Address | Computer Networking

Generally Ethernet switch and router are required to connect multiple computers but it cost should be approx Rs 1,200 to Rs 1,500, and it only make sense if you want connect more than two computer. If you want to connect only two computers to each other, you may use a simple cross over cat5 cable and for this you will need to spend only approx Rs 100 only. Here we show you how to connect two computers by using a simple cross over Ethernet cable.

First of all you, you have required a crossover Ethernet cable to connect two computers but if you don’t have cross over cable no need to worry about it. We can make a new crossover cable; the basic requirement for making a cross over cable is minimum two RJ45 connector, Crimping tool and Ethernet cable. The length of the cable depends on the distance between both computers.

Making a Cross cable

Cut the required length of cat 5 cable, peel out the cable and separate four pair, now straighten all the pair, connect all the wire as shown in following picture.

As shown in picture first connector’s PIN-1, PIN-2, PIN-3 andPIN-6 will be connected with the second connector’s PIN-3, PIN-6, PIN-1, and PIN-2 respectively and rest pins will remain unchanged.

Now insert the wire in RJ45 connector with carefully and gently crimp it with the crimping tools. Same process applies at the both end.

Insert the wire carefully in RJ45 connector in the following manner-WHITE GREEN- GREEN-WHITE ORANGE-BLUE-WHITE BLUE-ORANGE-WHITE BROWN-BROWN.

Insert the wire carefully in RJ45 connector.

At the other end same process will be apply, but the only diffrence now wiil be the order of the cable colors. Follow the order of the color as WHITE ORANGE-ORANGE- WHITE GREEN- BLUE-WHITE BLUE- GREEN-WHITE BROWN-BROWN.

Networking the computer

In order to network two computer few settings need to be altered in each computer ‘s netwok card properties section.

First of all asign a unique name and similar work group name of each computer. To change the computer name and work group you will need follow the some steps.

Step-1. Right click onthe my computer icon and click on properties.

Step-2 Select the computer name tab(in windows vista and windows 7 click on the advance settings) and then click on the “change button”

Step-3 Enter the unique name of the both computers and similar work group. Click on the apply button and your will prompt you for restart the system yoy may choose the restart later.

Step-4  Now open the network section.

1.   For windows Xp Click on the start button >> Setting >> Network Connection.
2.       For windows Xp Cick onthe start button >> Control Pnael >> Network and Internet >>Network Connection  and right click on the Ethernet card.
3.  Select properties and double click on the internet protocol. Now click “use the following IP adress” and enter a unique Ip address for example 192.168.0.3 for first computer  and 192.168.0.4 for second computer and subnet mask “255.255.255.0” and leave blank DNS and Gateway field.
4.  Click on the OK button twice and hence your computers are networked.

Now you may share some file,folder or drive in both computer in order to change data.

And now your computers are ready to use.

MNP: Mobile Number Portability system

MNP: Change your mobile service provider without changing your mobile number.

Mobile number portability in India is effective from 20^th Jan 2011 which is really good news for all those people who are facing network problem by their network service provider and want to switch another network without changing their existing mobile number. Now people are able to change their service provider with better service provider network with the help of mobile number portability (MNP). Just pay nominal charges 19 INR (Indian Rupees) along with the application form and required document.

To change your mobile number service provider without changing your existing mobile number follows the step by step procedure given below.

1.      First of all you have to SMS the PORT to 1900.

2.      After performing the first step you will receive a unique porting number which will help you to port your number.

3.      Now SMS that unique number to your preferred service provider to PORT your number to that service provider, remember that your unique is valid for few days.

4.      Now your operator will check your any dues or any other fact which may restrict you to PORT the number. After completion all these formalities you may change your mobile number to your preferred mobile service provider.

5.      After this you will receive a SMS from new service provider which tell you that date and time of that porting session. This will be done in the next four days after applying for this service.

6.      Your mobile will be dead for two hours while the porting is being performed to your mobile phone number. Now pay 19 rupees and submit required document to the new service to avail this facility.

Mobile number portability is the power in your hand to change your existing service provider without changing in your mobile number.

Thanks to TRAI(Telecom Regulatory Authority of India) for launching  MNP system.