Huawei WDR814G, WDR814IG user manual Introduction, About the Adsl Wireless Router

Aolynk WDR814(I)g ADSL2+ Wireless Router User Manual 1 Introduction

1 Introduction

This chapter describes the package contents and provides a list of features and application illustrations of the ADSL Wireless Router.

1.1 About the ADSL Wireless Router

DSL (Digital Subscriber Line) refers to a technology used to increase the data capacity of standard twisted-pair wires that are generally used to connect most households to the phone network. In addition, this technology allows simultaneous voice and high-speed data transmission over a single pair of telephone wires.

There are several kinds of DSL services, each with its own compromises between speed, distance, cost, and reliability. These services are either symmetrical (data flows at the same speed in both directions), or asymmetrical (the downstream capacity is higher than the upstream capacity).

ADSL

Asymmetric Digital Subscriber Line (ADSL), as its name indicates, is an asymmetrical data transmission technology which provides high-speed data transfer over existing telephone or ISDN lines by making good use of the previously unused high-frequency band-width. ADSL provides much higher downstream speed than upstream speed. It is much popular as ordinary users download much more data than what they upload.

ADSL provides a dedicated secure communication between you and the ISP (Internet Service Provider) and the connection is high-speed and always-on.

Ethernet / Fast Ethernet / USB

Ethernet is the most widely-used network access method, especially in a Local Area Network (LAN) and is defined by the IEEE 802.3 standard. Normally, Ethernet is a shared media LAN. All stations on the segment share the total bandwidth, which could be 10Mbps (Ethernet), 100Mbps (Fast Ethernet), or 1000Mbps (Gigabit Ethernet). With a switched Ethernet, each sender and receiver has the full bandwidth.

Fast Ethernet is defined as IEEE 802.3u standard, a high-speed version of Ethernet with 100Mbps transmission rate.

USB (Universal Serial Bus) is a data communication standard which allows the PC/desktop to detect new devices such as printers, joysticks, keyboards, mice, adapters, storage devices, audio devices, digital cameras and things with this technology. The advantage of USB is to replace different types of serial and parallel port connectors with one standardized plug and port combination with the data transfer rate up to 12Mbps. Also low-power devices can draw power from USB and don’t require an extra adapter. Before you use this connector, you may need to install the USB driver first.

Wireless LAN

Wireless Local Area Network systems (WLANs) transmit and receive data over the air by using radio frequency (RF). This offers some advantages like mobility, ease of installation, and scalability over traditional wired systems.

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