3Com 3CRWE675075-UK User Guide - Page 39

Manually Select, Radio Channels

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Using the Configuration Management System 33 Table 11 Wireless Network Page (continued) Antenna Selection Data Preamble Select an antenna for the radio signal: ■ Internal - this default setting should be used in most circumstances. ■ External and one internal antenna - this setting automatically determines which antenna is best for sending packets to individually attached clients. Choose this setting if the Bridge is located in a place that is surrounded or hindered by metal paths or walls. To increase performance, click Short (Enhanced performance). When equipment that does not support short preamble is also being used, click Long (Wi-Fi Interoperable). Note: The Data Preamble option is available in ad-hoc mode only. However, the Short Data Preamble option is not available for 802.11a and 802.11a Turbo modes in ad-hoc mode. Manually Select On the Advanced Wireless Network page, you can manually select the Radio Channels radio channels and radio modes. The Bridge only looks for a best SSID that matches the specified radio mode on the specified channels. Downloaded from www.Manualslib.com manuals search engine

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Using the Configuration Management System
33
Manually Select
Radio Channels
On the Advanced Wireless Network page, you can manually select the
radio channels and radio modes. The Bridge only looks for a best SSID
that matches the specified radio mode on the specified channels.
Antenna Selection
Select an antenna for the radio signal:
■
Internal —
this default setting should be used in most
circumstances.
■
External and one internal antenna —
this setting
automatically determines which antenna is best for sending
packets to individually attached clients. Choose this setting
if the Bridge is located in a place that is surrounded or
hindered by metal paths or walls.
Data Preamble
To increase performance, click
Short (Enhanced performance).
When equipment that does not support short preamble is also
being used, click
Long (Wi-Fi Interoperable)
.
Note: The Data Preamble option is available in ad-hoc mode
only. However, the
Short
Data Preamble option is not available
for 802.11a and 802.11a Turbo modes in ad-hoc mode.
Table 11
Wireless Network Page
(continued)
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