Difference between Cable and DSL Internet

Question : What is the difference between Cable and DSL Internet?

DSL sends data faster than it receives data and is not easily accessible in rural areas. Both cable and DSL offer packages that vary in price depending on connection speeds. Basic DSL plans feature speeds that start at 1 kilobyte per second and increase up to 3 megabits per second. Cable plans generally start with speeds of 1.5 megabits per second and increase up to 5.0 megabits per second.

Another major difference between cable and DSL is price. As cable Internet service is faster than DSL and as a result is three to four times more expensive. Cable Internet is generally bundled with telephone and cable TV service.

One advantage of DSL plans is that it allows users to access a steady Internet connection. Unlike cable, the DSL connection speed remains the same regardless of the number of users accessing the service. Bandwidth availability is affected while using cable Internet service when there are a large number of users accessing the Internet. This results in slow service and transfer speeds.

What is difference between DSL and ADSL?

Question Asked : What is difference between DSL and ADSL? What type of connection is commonly used in India? (Question asked on my Youtube Page) 

Asymmetric digital subscriber line (ADSL) is a type of digital subscriber line (DSL) technology, a data communications technology that enables faster data transmission over copper telephone lines than a conventional voiceband modem can provide. ADSL differs from symmetric digital subscriber line (SDSL).

ADSL works by utilizing frequencies that are not used by a voice telephone call. A splitter or DSL filter allows a single telephone connection to be used for both ADSL service and voice calls at the same time. ADSL can generally only be distributed over short distances from the telephone exchange typically less than 4 kilometres, but has been known to exceed 8 kilometres if the originally laid wire gauge allows for further distribution.

At the telephone exchange the line generally terminates at a digital subscriber line access multiplexer (DSLAM) where another frequency splitter separates the voice band signal for conventional phone network. Data carried by the ADSL are typically routed over telephone company's data network and eventually reach a conventional Internet Protocol network.

Thus the upload signal is weakest at the noisiest part of the local loop, while the download signal is strongest at the noisiest part of the local loop.

ADSL is a type of DSL where the upstream and downstream speeds differ (hence the "asymmetric" part). There are many variations of DSL technology for different types of application (HDSL, SDSL, etc). 

ADSL

ADSL is a broadband connection technology which utilizes existing copper wired telephone networks. ADSL uses a wide range of frequencies over an existing telephone line to deliver much higher speeds than standard 56k modem (between 10 and 140 times faster). It is also possible to use your phone while online. 

DSL

DSL stands for Digital Subscriber Line. Generally if you have a DSL connection, you are getting it right from the phone company. DSL is more like the older 'modems' in that they do use the standard copper phone lines that are in your house. DSL requires that there be a special switch installed at your local phone company's main routing station. DSL also has a limitation of a 4 mile radius. One of the cool features of DSL is that you do not need to have a 'special' line installed - you can be surfing the internet and talking to someone on the phone all on the same line. This is because DSL uses a high frequency that does not affect the normal use of your phone. 

There are two commonly type of DSL, DSL (also known as SDSL) and ADSL. DSL or SDSL is the more expensive, but offers the most bandwidth. The S in SDSL stands for Symmetric or synchronous, which means that the bandwidth of both upstream (sending data) and downstream (receiving data) are the same speed. The actual speed you get depending upon the package you sign up for, and how far away from the switch you are. The most common speeds are 256k (256kilobits)/second and 1Mb (1megabit)/second. ADSL (Asynchronous Digital Subscriber Line) is the same as SDSL, but the upstream bandwidth is smaller than the downstream. This version of DSL is generally more affordable than SDSL. Common ADSL speeds are 256kb downstream - 96kb upstream, 1mb downstream - 256kb upstream.

DSL was developed and patented in 1988 by Bell Communications Research, Inc. The main advantages of DSL at the time were the speed it offered and the fact that, for the first time, it allowed people to use Internet and phone service at the same time. The main disadvantage was that the digital signal's strength decreased as distance from the provider's central office increased.

Although it uses the same wiring as previous technologies, DSL sends information digitally. This greatly increases the amount of information that can be sent at once. ADSL is the most common type of DSL connection. 

Note :

• The opposite of ADSL is SDSL, which stands for symmetrical digital subscriber line. 
• SDSL provides a high-speed data connection that gives equal priority to upload and download speed. 
• Other types of DSL include Internet protocol subscriber line, rate-adaptive digital subscriber line, Uni-DSL and Etherloop.

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Easy Steps to configure Tp-Link ADSL2 Modem for BSNL Broadband (Hindi) (...

To run ADSL Broadband from BSNL Network, we have to use VCI value to 35 in Tp-Link 300Mbps Wireless N ADSL2+Modem’s setting. There are easy step to configure ADSL modem for BSNL Broadband via Bridge Mode (Encapsulation) :

Step 1) Open the web browser and type the IP Address of Tp-Link ADSL2 Modem in the address bar (default is 192.168.1.1) then press Enter .

Step 2) Type the username and password in the login page, default username and password are both admin in lower case, then click OK to log into the Tp-Link ADSL2 Modem.

Tp-Link ADSL2 Modem works smoothly with BSNL network (Bridge Encapsulation) without more changing. We have to put IP Address of BSNL Network in our Ethernet's port setting.

• IP Address : 192.168.1.2 to 192.168.1.24
• Subnet Mask : 255.255.255.0
• Default Gateway : 192.168.1.1

You can check connectivity of ADSL modem with BSNL Broadband :

Ping 192.168.1.1-t (Type in Command Box of Window Xp/Window 7)

You don't need to run the setup program but it would probably make the task easier. 

The telephone cable has to be plugged into the router (wireless). Then Just plugin Ethernet cable into any of the four slots of the router and connect to computer/Laptop and then follow the instructions on the screen. You can choose secured or unsecured connections. Since you has default setting in your ADSL2 Modem. You have to select the modem password and also password given by the BSNL. It is not much difficult, but you can to try as trial and error method. In case you went wrong, just press reset button provided in the router with pin and try from the beginning.

If you want to run internet via PPPoE/PPPoA mode of BSNL Broadband (They do not need any username or password to start Internet and it can run on Internet on Android/Smartphone/Tablets via WiFi too). There are few steps to configure Tp-Link ADSL2 Modem. 

1) PPPoE/PPPoA Mode : Select the connection type to connect to the BSNL Boradband by PPPoE/PPPoA mode and then click the NEXT button.

2) VPI and VCI Value : Change the VPI/VCI settings as per BSNL Broadband. This setting is very much important for internet connectivity. 

Use the following VPI/VCI settings for BSNL Broadband – 0 and 35

In Tp-Link ADSL2 Modem, we have to chose virtual Circuit as PVC2 through (Interface Setup > Internet) as shown in video.

3) BSNL Username/ Password : Enter the user id and password supplied by BSNL Broadband. The field is case sensitive.

Now go to Wireless Menu of Interface Setup of your TpLink ADSL2 Modem.

4) Access Point : If you has ADSL Router with wireless function and you want to connect to it wirelessly then set Access Point as Activated. (As shown in video)

5) SSID Name : Select the Basic Setting submenu of Wireless Menu in the configuration page. In Wireless Basic settings you can enter the SSID (Name of your wireless network). You can use anything as SSID. Maximum character limit is 32.

6) Security Encryption : You must configure the Wireless Security options to make your WiFi network private. Tp-Link ADSL2 router supports three type of WiFi security modes. WEP, WPA-PSK, WPA2 –PSK. By default Wireless security is disabled. You have to select the proper mode of WiFi security as per your requirement. It is advisable to use WPA-PSK or WPA2-PSK. (As shown in video)

7) Pre-Shared Key : Pre-Shared Key is the password used for authentication. Use a non guessable number or group of words as password. You can enter 8 to 63 alphabets or number as password. You have to enter the same password in your wireless devices like computer, Laptop, Mobile etc for connectivity. Click the Save button for saving the settings.

8) Wireless MAC Address Filter : Wireless access can be filtered by using the MAC addresses of the wireless devices. So, it is advisable to keep MAC Address Filter as Deactived for easily access internet on any wireless devices. (As shown in video)

Note : All other setting of Tp-Link ADSL2 Modem can be used as default for BSNL Broadband. So, do not need to change that value if you do not know properly about it.

Select the connection type to “Connect Automatically”. This will make connection automatically after switching ON the Tp-Link ADSL2 Modem. Click the save button after completing above mentioned steps. Reboot the modem by clicking the Reboot sub menu under System Tools Menu.

You can reboot ADSL2 Modem by OFF/ON the power supply too.

TP-Link TL-WN951N Wireless PCI Adapter, TP-Link

How to Setup Your Netgear Wireless Router