User Manual

8
information). The optional directional antenna makes LAN-Interconnection to a wireless backbone
between buildings possible.
2-2 ROAMING
Infrastructure mode also supports roaming capabilities for mobile users. More than one BSS can be
configured as an Extended Service Set (ESS). The continuous network allows users to roam freely
within an ESS. All GL242204-0T PCs and Access Points within one ESS must be configured with
the same ESS ID and use the same radio channel.
Ethernet
Desktop PC with ethernet
Desktop PC with ethernet
Sever
Access Point
Access
Point
Notebook
with
PCMCIA Wireless LAN Card
Notebook
with
PCMCIA Wireless LAN Card
Notebook
with
PCMCIA Wireless LAN Card
Desktop PC
with
PCMCIA Wireless LAN Card
BSS1 BSS2
ESS
Notebook
with
PCMCIA Wireless LAN Card
Roaming
Fig. 4 - Roaming in an Extended Service Set (ESS)
Before enabling an ESS with roaming capability, choosing a feasible radio channel and optimum
Access Point position is recommended. Proper Access Point positioning combined with a clear
radio signal will greatly enhance performance.