[vc_row][vc_column width=”1/4″][vc_empty_space empty_h=”1″][vc_single_image media=”49903″ media_lightbox=”yes” media_width_percent=”90″ alignment=”center”][/vc_column][vc_column column_width_percent=”100″ position_vertical=”middle” overlay_alpha=”50″ gutter_size=”3″ medium_width=”0″ mobile_width=”0″ shift_x=”0″ shift_y=”0″ shift_y_down=”0″ z_index=”0″ width=”3/4″][vc_empty_space empty_h=”1″][vc_column_text]So it seems that I can power a Ubiquiti Bullet and Rocket directly with DC 12v. In the past I have been chasing POE and wasting precious milli-watts converting 12V to POE standard (Usually 24v or 48v) then powering the devices.? A power saving can be made by connecting direct to 12V. If using a solar setup, the power savings can mean more up-time, and better use of your batteries. Some testing will follow this blog post. However in the interim, it seems pretty stable here in the workshop.[/vc_column_text][/vc_column][/vc_row][vc_row row_height_percent=”0″ override_padding=”yes” h_padding=”2″ top_padding=”2″ bottom_padding=”2″ overlay_alpha=”50″ gutter_size=”3″ shift_y=”0″][vc_column][vc_separator sep_color=”color-iopl”][vc_custom_heading heading_semantic=”h4″ text_size=”h4″]How to make your own cable for 12v power supply.[/vc_custom_heading][vc_row_inner][vc_column_inner width=”1/3″][uncode_list larger=”yes” icon=”fa fa-code-outline” icon_color=”color-iopl”]
  • RJ-45
  • RJ-35 Crimp
  • Pliers
  • Box Cutter
  • Straight through Ethernet cable
[/uncode_list][/vc_column_inner][vc_column_inner width=”1/3″][vc_column_text]In a nutshell, the Ubiquiti Bullets and Rockets grab power from 4 pins on a standard RJ-45 connector. In our case here in Australia (Blue/White-Blue) pins 4 & 5 will carry 12v+ and pins 7/8 12v-.[/vc_column_text][/vc_column_inner][vc_column_inner width=”1/3″][vc_single_image media=”49907″ media_lightbox=”yes” media_width_percent=”90″ alignment=”center”][/vc_column_inner][/vc_row_inner][vc_separator sep_color=”color-iopl”][/vc_column][/vc_row][vc_row row_height_percent=”0″ override_padding=”yes” h_padding=”2″ top_padding=”2″ bottom_padding=”2″ overlay_alpha=”50″ gutter_size=”3″ shift_y=”0″][vc_column][vc_custom_heading heading_semantic=”h4″ text_size=”h4″]Prepare your cable[/vc_custom_heading][vc_row_inner][vc_column_inner width=”1/3″][vc_single_image media=”49928″ media_width_percent=”90″ alignment=”center”][/vc_column_inner][vc_column_inner width=”2/3″][vc_column_text]If you have the resources to cut up a straight-through cable, then go ahead and cut one end off. (Otherwise you will have to complete two terminations) Strip the cable back a bit to expose the pairs of wires. Identify the solid blue and Blue-White wires. These will be your 12V Positive injection points. Now identify the Solid Brown and Brown-White wires. This will be your 12V Negative injection point. From here identify the remaining cores and insert them into an RJ-45 housing.

  • PIN 1 – White-Orange
  • PIN 2 – Orange
  • PIN 3 – White-Green
  • PIN 6 – Green

Now crimp your RJ-45 and you are all done. The bare wires can be used in anyway to inject 12v. ie Barrel jack. I would use a fuse close to the source to protect your equipment. Also confirm the pinouts prior to plugging in. The last thing you want is to fry your Ubiquiti gear.[/vc_column_text][vc_wp_text][adinserter block=”1″][/vc_wp_text][/vc_column_inner][/vc_row_inner][vc_separator sep_color=”color-iopl”][/vc_column][/vc_row][vc_row row_height_percent=”0″ override_padding=”yes” h_padding=”2″ top_padding=”2″ bottom_padding=”2″ overlay_alpha=”50″ gutter_size=”3″ shift_y=”0″][vc_column][vc_custom_heading heading_semantic=”h4″ text_size=”h4″]Or Don’t hack up a cable and buy some injectors[/vc_custom_heading][vc_row_inner][vc_column_inner width=”2/3″][vc_column_text]If you want that more professional look, then you can always purchase a few of these injectors. Have a look at the specs though and make sure the power inputs are on pins 4/5 and 7/8. Let me know how your setup goes? I really need to do some testing on the longevity of this type of setup. My only concern is that the fluctuating 12v from batteries could damage the Ubiquiti gear over time. Maybe I need to look at a circuit to provide clean power.[/vc_column_text][/vc_column_inner][vc_column_inner width=”1/3″][vc_single_image media=”49920″ media_lightbox=”yes” media_width_percent=”90″ alignment=”center”][/vc_column_inner][/vc_row_inner][vc_empty_space empty_h=”2″][vc_separator sep_color=”color-iopl”][vc_wp_text][adinserter block=”1″][/vc_wp_text][/vc_column][/vc_row]