3Com WL-560 manual External and one internal antenna this setting

Using the Configuration Management System 33

Table 11 Wireless Network Page (continued)

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.

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.