ZyXEL Communications B-320 Podręcznik Użytkownika Pobierz pdf (Strona 41)

ZyAIR Wireless LAN Utility

Advanced Configuration 5-3

Short preamble takes less time to process and minimizes overhead, so it should be used in a good wireless

network environment when all wireless clients support it.

Select Long Preamble if you have a ‘noisy’ network or are unsure of what preamble mode the access point

or the other wireless clients support as all IEEE 802.11b compliant wireless adapters must support long

preamble. However, not all wireless adapters support short preamble. Use long preamble if you are unsure

what preamble mode the wireless adapters support, to ensure interpretability between the ZyAIR and the

access point/wireless stations and to provide more reliable communication in ‘noisy’ networks.

Select Auto to have the ZyAIR automatically use short preamble when all access point/wireless stations

support it, otherwise the ZyAIR uses long preamble.

The ZyAIR and the access point/wireless stations MUST use the same preamble

mode in order to communicate.

5.2 The Advanced Screen

To set the advanced features on the ZyAIR, click the Advanced tab.

Figure 5-2 ZyAIR Utility: Advanced

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ZyXEL Communications B-320 Podręcznik Użytkownika Strona 41