Cisco Cisco Aironet 350 Access Points

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Antenna Installation
OL-2434-02
Installation Notes
Antenna Installation
For instructions on the proper installation and grounding of external antennas, refer to the National Fire 
Protection Association’s NFPA 70, National Electrical Code, Article 810, and the Canadian Standards 
Association’s Canadian Electrical Code, Section 54.
Warning
Do not locate the antenna near overhead power lines or other electric light or power circuits, or 
where it can come into contact with such circuits. When installing the antenna, take extreme care 
not to come into contact with such circuits, as they may cause serious injury or death. 
Power Considerations
Caution
The operational voltage range for 350 series access points and bridges is 24 to 60 VDC, and the 
nominal voltage is 48 VDC. Voltage higher than 60 VDC can damage the equipment.
Caution
Cisco Aironet power injectors are designed for use with 350 series access points and 350 series 
bridges only. Do not use the power injector with any other Ethernet-ready device. Using the power 
injector with other Ethernet-ready devices can damage the equipment.
System Requirements
You must have a 340 or 350 series access point or a 350 series bridge to install firmware version 11.23T.
Version Supported
Your access point must be running firmware version 10.x or later to install firmware version 11.23T. 
Your bridge must be running version 11.07 or later to install firmware version 11.23T.
Upgrading to a New Firmware Release
Determining the Firmware Version
The firmware version number is in the upper-left corner of most management screens in the web-browser 
interface and at the top of the home (Summary Status) page in the command-line interface.
Upgrade Procedure
For instructions on installing access point and bridge firmware:
1.
Follow this link to the Cisco Aironet documentation home page: