> For the complete documentation index, see [llms.txt](https://mudassirs46.gitbook.io/network-fundamentals/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mudassirs46.gitbook.io/network-fundamentals/dsl-connection.md).

# DSL Connection

One of the [types of Internet Connection](https://app.gitbook.com/@mudassirs46/s/network-fundamentals/~/drafts/-MRZ4cjfS8UXyANv_uLC/types-of-internet-connections) is DSL Connection

* Digital Subscriber Line Connection (which is An Advanced version of Dial-Up Connection) is provided by the ISP which provides Voice & Internet connection with a (4 pin) Telephone Cable with RJ11 jack as compared to Ethernet's RJ45 (8 pins).
* This Telephone cable carries hundreds of frequencies through which 1 slice is given to the Voice's Analogue Signals & another to the Internet's Digital Signals.
* DSL Modem Modulates Voice Analogue Signals to the Internet's Digital Signals & vice versa thereby providing two different connections at a time.

#### 2 Types of DSL Connection:

#### 1. ADSL:

* Asymmetric Digital Subscriber Line Connection is the cheapest DSL Connection which provides more Download than Upload speed.

**2. SDSL:**

Symmetric Digital Subscriber Line Connection is the expensive DSL Connection that provides the same  Download and Upload speeds.

## Reference:

<https://www.youtube.com/watch?v=qQYiwmamq38&ab_channel=PowerCertAnimatedVideos>