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Cisco Aironet 1240AG Series Access Point Hardware Installation Guide
OL-8371-05
Chapter1 Overview
Hardware Features
Single or Dual-Radio Operation
The 1242AG access point supports simultaneous radio operation using a 2.4-GHz 802.11g radio and a
5-GHz 802.11a radio. The 1242G access point supports a single 2.4-GHz 802.11g radio. Each radio uses
dual-diversity integrated antennas.
The 5-GHz radio incorporates an Unlicensed National Information Infrastructure (UNII) radio
transceiver operating in the UNII 5-GHz frequency bands. The 802.11g radio is called Radio0 and the
802.11a radio is called Radio1.
Antennas Supported
The 1242AG access point supports a wide range of antennas that you can connect to the RP-TNC
connectors on the 2.4-GHz and 5-GHz radios. For a complete list fo supported antennas, refer to the
Cisco Aironet 2.4 GHz and 5 GHz Antennas and Accessories datasheet at this URL:
http://www.cisco.com/en/US/products/hw/wireless/ps469/products_data_sheets_list.html
Ethernet Port
The auto-sensing Ethernet port (see Figure 1-2) accepts an RJ-45 connector, linking the access point to
your 10BASE-T or 100BASE-T Ethernet LAN. The access point can receive power through the Ethernet
cable from a power injector, switch, or power patch panel. The Ethernet MAC address is printed on the
label on the back of the access point (refer to the “Locating the Product Serial Number” section on
page xiii).
Console Port
The serial console port can be used to monitor the access point power-up sequences using a terminal
emulator program. The port is located on the end of the unit (see Figure1-2). Use an RJ-45 to DB-9 se rial
cable to connect your computer’s COM port to the access point’s serial console port. (Refer to
Appendix E, “Console Cable Pinouts,” for a description of the console port pinouts.) Assign the
following port settings to a terminal emulator to open the management system pages: 9600 baud, 8 data
bits, No parity, 1 stop bit, and no flow control.
Note After completing your configuration changes, you must remove the serial cable from the access point.
LEDs
The access point has three LEDs to indicate Ethernet activity, radio activity, and status indications (refer
to the “Checking the Autonomous Access Point LEDs” section on page3-2 or the “Checking the
Lightweight Access Point LEDs” section on page4-3 for additional information). Figure 1-2 shows the
location of the LEDs.
•The Status LED provides general operating status and error indications.
•The Ethernet LED signals Ethernet traffic on the wired Ethernet LAN and provides Ethernet error
indications.
•The Radio LED signals that wireless packets are being transmitted or received over the radio
interface and provides radio error indications.