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UniFi AP Outdoor Install

Out of the box, the UniFi AP Outdoor unit is only available via SSH connection. To run Commotion, we must replace the router's default operating system (also called “flashing” the node).

  1. Build or download the openwrt-ar71xx-generic-ubnt-unifi-outdoor-squashfs-factory.bin image. (See also: How To Build Commotion Images)
  2. Open up your terminal and cd into the directory where the image resides.
  3. Plug in the UniFi AP Outdoor unit, and connect your computer's ethernet port to the PoE injector's LAN port. *Warning: DO NOT plug your computer into the PoE's “POE” port! It may damage your computer!*
  4. Configure your computer to take the IP address 192.168.1.42.
  5. Run the following in your terminal (the password is ubnt):
    @scp openwrt-ar71xx-generic-ubnt-unifi-outdoor-squashfs-factory.bin ubnt@192.168.1.20:@
  6. SSH into the node (password is ubnt):
    @ssh ubnt@192.168.1.20@
  7. Run the following to flash the node:
    @fwupdate.real -m openwrt-ar71xx-generic-ubnt-unifi-outdoor-squashfs-factory.bin -d@
  8. After the flashing process completes, the node will reboot, and will be accessible at 192.168.1.20.

Recovery mode

If your UniFi becomes unresponsive, or want to replace the original firmware, you cannot enter recovery mode with the usual paperclip reset-button trick. Instead, you need a serial console cable to get the job done. Here are instructions: http://community.ubnt.com/t5/UniFi/HOWTO-Unbrick-your-UniFi-AP/td-p/338684

If you have trouble sending commands to the device through the serial console, try this trick:

  1. Connect the white (receive) and green (transmit) cables to the proper pins.
  2. Then connect the GROUND cable to the 3.3V pin (seriously).
  3. Power on the device for a few seconds (you see garbage, if anything, in the serial console).
  4. Then unplug the ground cable, and connect it to the ground pin.
  5. Power on the device again, and hopefully you can now transmit to the serial console and enter recovery mode!