ZyXEL Communications G-102 Guia do Utilizador descarregar pdf (Página 21)

ZyXEL G-102 User’s Guide

Wireless LAN Network 2-1

Chapter 2

Wireless LAN Network

This chapter provides background information on wireless LAN network.

2.1 Overview

This section describes the wireless LAN network terms and applications.

2.1.1 SSID

The SSID (Service Set Identity) is a unique name shared among all wireless devices in a wireless network.

Wireless devices must have the same SSID to communicate with each other.

2.1.2 Channel

A radio frequency used by a wireless device is called a channel.

2.1.3 Transmission Rate (Transfer Rate)

The ZyXEL G-102 provides various transmission (data) rate options for you to select. Options include

Fully Auto, 1 Mbps, 2 Mbps, 5.5 Mbps, 11 Mbps, 6 Mbps, 9 Mbps, 12 Mbps, 18 Mbps, 24 Mbps, 36

Mbps, 48 Mbps, and 54 Mbps. In most networking scenarios, the factory default Fully Auto setting

proves the most efficient. This setting allows your ZyXEL G-102 to operate at the maximum transmission

(data) rate. When the communication quality drops below a certain level, the ZyXEL G-102 automatically

switches to a lower transmission (data) rate. Transmission at lower data speeds is usually more reliable.

However, when the communication quality improves again, the ZyXEL G-102 gradually increases the

transmission (data) rate again until it reaches the highest available transmission rate.

You can select any of the above options. If you wish to balance speed versus reliability, select 54 Mbps in

a networking environment where you are certain that all wireless devices can communicate at the highest

transmission (data) rate. 1 Mbps or 2 Mbps are used often in networking environments where the range of

the wireless connection is more important than speed.

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