This Access Point is located on North Terrace in Adelaide CBD, the image below is a line of site 150 Degrees from North West to North East.
The site was made possible by the Australian Public Access Network Association Inc. a non-profit organisation for individuals who are interested in learning computer networking skills in a friendly hobby environment. http://adelaide.apana.org.au/ or via radio
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APANA is located in the Basement of the Building 60 metre below where our Air-Stream router equipment is installed. A low voltage isolated 20VAC 20W supply is feed over an ethernet cable providing good safety. While ensuring suitable power is available to both supply telemetry and UPS systems. An ethernet connection is also available and provides a direct connection between the Air-Stream Network and APANA. |
The Router is designed around the SMC 260Mhz embedded CPU PCB, with onboard Flash Card more details at http://www.pcengines.ch/wrap.htm . Which offers spaces for two mini pci slots where I have installed two senao Prims2 100mW cards, leaving two ethernet ports for a Backbone AP and the APANA connction.
This small and low power unit has allowed the installation of both the main board and the UPS system inside a waterproof housing. Creating an opportunity to place the equipment directly where the Antennas are, reducing the amount of cabling and improving signal performance as short coax runs can be deployed. |
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The Senao 100mW cards run in AP mode under Open BSD and are used for the main Access Points at the site.
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The image on the left is the Router and two wave guides. One faces North West the other North East, providing full coverage to the North. The image just to the right is the main backbone. The Dish is 25db and is pointed south to Julia Farr. The backbone uses a Minitar AP in client mode and is connected to the router via an POE cable. |
