Cisco 1240AG Series Quick Start Manual page 13

This illustration shows the connectors and components on the 5-GHz end of
the access point.
3
1 5-GHz antenna connector (left) 3
2 5-GHz antenna connector
(right/primary)
Quick Start Guide Cisco Aironet 1240AG Series Access Point
5 GHz ANTENNA w/RP-TNC
LEFT
1
RIGHT / PRIMARY
2
Security lock keyhole
13