Installing The OSI WAMS Wireless Access Management System

The OSI WAMSwas installed into six floors of a large building, where each floor was approximately 20,000 square feet.


The OSI Security Devices Wireless Access Management System (WAMS) provides access control and offers real-time remote access controls. Real-time audit, personnel and time schedule changes can be made instantaneously by the system administrator(s) from a host computer. The system administrator(s) has...


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  • Determine where the Portal Gateway(s) would be located
  • How many Portal Gateways would be required, and
  • Ensure that adequate Radio Frequency signal strength was available at each of the proposed WAMS Reader openings.

The wiring ducts provided an easy wiring path between the Portal Gateways on the different floors. They also allowed the systems integrator to make a network connection to the floor where the system administrator’s office was located. A network server was placed in the electrical closet on the system administrator’s floor and this was in turn connected to the four Portal Gateways. The server was then networked to a dedicated computer that was to be used to not only monitor the access control system but also for day-to-day operations. This computer was not connected to the office network or the internet, ensuring that the system administrator was the only person who had access to add or delete users, review transactions, modify time zones, or review or print transaction reports.

The next series of steps was to determine just how many Portal Gateways would be necessary for all of the reader locks to operate on the six middle floors in the building.

The first step of the Site Survey plan was for two Portal Gateways to be strategically placed on each floor, one for the West Wing and one for the East Wing of the floor. The second step of the plan was to determine if the Portal Gateways could cover more than one floor each.

A Portal Gateway connected to a laptop computer running the WAMS software was temporarily installed into the first electrical/network closet. The software was activated and a mobile test reader device was used to determine the range of the first Portal Gateway. This test reader device was moved and tested throughout one half of the building and placed at each of the proposed door openings. Using the WAMS Statistics Monitor software application, the systems integrator was able to ensure that adequate signal strength was available at each of the proposed openings.

The Portal Gateway was capable of communicating with the test reader device throughout more than one-half of the building on the same floor.

The test was repeated with the Portal Gateway and the laptop computer operating the required software in the second electrical closet on the other half of the building. The test reader device was again moved and tested throughout the second half of the building.

Two Portal Gateways, each installed in a respective electrical closet (one for the West Wing and one for the East Wing), were sufficient to provide the necessary coverage for this one floor.

The next step was to determine if these two Portal Gateways were capable of communicating with the floor(s) above and below. The test reader was taken to the floors above and below the Portal Gateway and it was verified that signal strength was adequate at each of the proposed openings on these floors. If each Portal Gateway was capable of communicating not only on its own floor, but also with reader devices on the floor above and below, only four Portal gateways would be required in order to communicate with reader devices on all six of the floors.

It was verified that the two Portal Gateways were capable of communicating with the test reader device on the floors above and below.

In total, 46 WAMS Readers were brought on-line at this facility using four 32-door Portal Gateways. Although several new locks were installed, the majority of the WAMS Readers were earlier-generation OP2000 proximity readers that were converted to WAMS OPW2000 Wireless Proximity readers by using the OMNILOCK Wireless Conversion Kit p/n 12657. The OMNILOCK Wireless Conversion Kit consists of an antenna assembly and a circuit board that enables wireless communication with the Portal Gateway. The circuit board and the antenna assembly are direct retrofits that do not require modification to the board or the reader device housing. Only a screwdriver is required to make the modification.

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