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gather input on placement of each camera, wireless access point, and where the emergency call buttons were to be placed at a future date. Next, met with the administration to establish cost expectations, perceived scope of work from the walk throughs, and discuss several solutions for the parking lot. Finally, met with the IT staff again to view the pre-project, existing network infrastructure and document it’s architecture to help with the planning phase. The initial environment of the parking lot is documented below (see Appendix 1). Plan During the planning phase, reviewed all desired requirements of the project with each key player from the University. Once had a well
Solar Powered Parking Lot Page 12 written problem scenario, they moved on to meet with the IT staff on campus again to discuss the network specific requirements, such as support for VLANs, multiple SSIDs, and encryption. Next, was able to design a rough plan which gave the idea of solar power running the required networked devices in the parking lot. The concept of connecting all devices wirelessly back to the was proposed but the details of exactly how were not locked in yet. was still brainstorming at this stage whether it would be better to use one wireless bridge and then “mesh” the access points in the parking lot, or if it would be better to use multiple wireless bridges for the backhaul links so that they would have redundancy. Design For the design phase, began to draft the physical and logical links for the devices to be used in the parking lot. Specific models to be employed were defined at this stage. All device’s data sheets were cross-checked with the list of needs defined in the preparing and planning phases. A detailed drawing of each required device attached to the lamppost exist below (see Appendix 3). Solar requirements were then calculated to determine which size solar panel to acquire (see Appendix 4). Next the required VLANs defined by the IT staff were drafting into the network design of the UniFi switch (see Appendix 5). Finally, before any purchasing took place, submitted the project proposal for approval. Implementation The implementation phase of the project was broken down into two parts. First was the staging phase. During this time staged all materials in an unused classroom in the building. All wireless bridges were pre-programmed prior to being deployed. All solar panels were installed temporarily on the rooftop, with the power wires entering the staging classroom through an open window. The batteries, solar charge controller, and switch ports were tested for voltage and amperage using a multimeter. The solar panel was then covered with a bed sheet and later a blanket to simulate a cloudy day. Further testing ensued with the
Solar Powered Parking Lot Page 13 multimeter to ensure that the solar sets had enough power to stay active during dismal weather conditions. The solar sets were then networked together and tested for connectivity to each respective VLAN. All static IP addresses were set for each device as in accordance to the