SMC Networks SMC2555W-AG - Manual (Page 39)

Hardware Installation
2-3
The access point also compares the strength of an incoming
signal on both antennas, and uses the antenna receiving the
stronger signal to communicate with a wireless client.
8. Connect the Console Port – Connect the console cable
(included) to the RS-232 console port for accessing the
command-line interface. You can manage the access point
using the console port (Chapter 6), the web interface
(Chapter 5), or SNMP management software such as SMC’s
EliteView.