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Az Access Point egy olyan eszköz, amely vezeték nélkül csatlakoztatható és hálózat építhető egy vezetékes rendszerben. Ezért legalább két interfészének kell lennie: drótnélküli - WLAN - használt a 802.11 szabvány és a vezetékes huzalozott - LAN - használt a 802.3 szabvány.
A TP-Link TL-WA500G Access Point interfészeinek a nézete
Az interfészek eléggé különbözőek, amelyik kiküszöböli a hiba lehetőségét. Egy antenna csatlakozik a szabványos SMA R/P csatlakozóhoz (néhány eszközben, pl. Linksys - TNC R/P).
A példában szereplő eszköz a TP-Link TL-WA500G N2941. A 802.11 b/g szabvány szerint működik, egyik módja: Access Point, Access Point Client, átjátszó, Bridge (Point to Point, pont-multipont). Az Access Point hasznos funkciója alkalmas kisebb WLAN hálózatban történő felhasználásra. Hála WPA / WPA2, WPA-PSK / WPA2-PSK, TKIP / AES titkosításnak és a MAC-címek szűrésének, a készülék magas biztonsági szintet biztosít. Csatlakozási lehetőség külső/kültéri antennához, ami másik nagy előnye. Egyszerű menüje és könnyű konfigurációja a telepítő számára gyors munkakezdést biztosít.
Every Access Point can operate in various modes which allow to perform specific functions. Some modes can combine several functions, increasing functionality of the device. The user should choose them carefully, as they may be less stable in comparison with single-function modes.
The choice of modes of operation available in TP-Link TL-WA500G
Description of the modes of operation
* Access Point - it is the basic mode that allows wireless communication between any client equipped with a wireless card/adapter and the AP. The users (clients) connect to the wireless network in Infrastructure mode.
Hálózati struktúra, amely Access Point módban működik (infrastruktúra)
* Access Point Client - in this mode the device operates similarly to a wireless card/adapter used by clients. This mode has to be used when there is a need of connecting a number of LAN users in a home, office, building - via wireless link. The Access Point can cooperate with a switch (not showed in the diagram below) providing the adequate number of LAN connections.
Access Point Client (APC) üzemmód
* Repeater (regenerator) - the mode used for extending wireless network. The device receives the desired stream of data and sends it further. This mode is often used in larger buildings for ensuring better coverage. Due to the way of work, the maximum throughput of the AP is decreased by 50%.
The idea of Repeater mode
* Bridge (Point to Point) - the mode for creating direct Point-to-Point links, i.e. wireless bridges. It uses static routing based on the MAC addresses of the Access Points. This mode allows to connect distant parts of wired networks. The links are protected against access from other devices. For this mode there are recommended devices coming from the same manufacturer, because it is not standardized.
Bridge mód (Point to Point)
* Bridge (Point to Point) with AP mode - combination of functionality of Bridge and Access Point modes. The point-to-point connection does not eliminate possibility of connecting wireless clients.
A Bridge (Point to Point) és az Access Point mód kombinációja
* Bridge (Point to Multipoint) - ensures multiple paths from a single location to multiple locations, i.e. a set of wireless bridges. It uses static routing based on the MAC addresses of the Access Points. This mode allows to connect distant multiple parts of wired networks. The links are protected against access from other devices. For this mode there are recommended devices coming from the same manufacturer, because it is not standardized.
Bridge (Point to Multipoint) üzemmód
* Bridge (Point to Multipoint) with AP mode - combination of functionality of Bridge (Point to Multipoint) and Access Point modes. The point-to-multipoint connections do not eliminate possibility of connecting wireless clients.
A Bridge (Point to Multipoint) és az Access Point mód kombinációja
Különböző működési módok összehasonlítása
| Mode of work | Support for LAN | Support for wireless clients | Mode of operation of the connected counterpart |
| Access Point | yes | yes | Repeater, AP client |
| Access Point Client | yes | no | Access Point |
| Repeater | no | yes | Access Point |
| Bridge (Point to Point) | yes | no | Bridge (Point to Point) |
| Bridge (Point to Point) with AP mode | yes | yes | Bridge (Point to Point), AP client |
| Bridge (Point to Multi-Point) | yes | no | Bridge (Point to Point) |
| Bridge (Point to Multi-Point) with AP mode | yes | yes | Bridge (Point to Point), AP client |
