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Attachment A - Joint Agreement for 800 MHz CCCS Page 43 of 83 Sets the minimum technical and performance standards for infrastructure equipment operating on or Interfacing with the System and establishes a policy preventing premature obsolescence of the same. Technical Background The 800 MHz CCCS is an APCO P25 standards -based System constructed by Motorola Solutions, Inc. It consists of radio communications sites utilizing 800 MHz radio spectrum. The Master Site is located at the Loma Ridge Facility where the Lead Agency Radio Microwave Unit is collocated along with the County Emergency Operations Center and the OCSD PSAP/Dispatch Center. Microwave links between the Master Site and the radio sites utilize redundant methods in the construction of the System to provide for a public safety grade of service. Vendors' equipment often utilizes different operating software and may Interact differently with the existing infrastructure which can potentially exhibit undesirable operational characteristics. It is also possible that new, untested radios, equipment and/or software can exhibit performance and functionality characteristics that are destructive to the performance, capacity and/or security of the System. Operational Context Participants desiring to connect or interface with the System any type of fixed equipment such as a radio or console product must receive approval from the Lead Agency. Prior to approval, the System manufacturer must prove equipment compatibility. All equipment must be Installed in compliance with all rules, regulations and codes applicable to its operation and location. Industry accepted radio site installation and equipment grounding practices, such as R56 or approved equivalent in effect at the time of installation, shall be used. Protocol To ensure the reliability of the System, all Infrastructure equipment directly interfaced with the System's core must maintain the same level of software revision. Requests shall be submitted in writing to the Lead Agency signed by the requesting agency director or department head. Procedure The request shall provide an outline of plans the requesting agency has developed for equipment integration. The written request shall indicate the name and contact information for the person designated to lead the project. The Lead Agency Director will review the request and make the final decision. If a technical use plan is already in place, the agency shall submit the plan to the Lead Agency for review to ensure compliance and compatibility with CCCS policy, standards and procedures. If a technical use plan is not in place, Lead Agency shall assist the requesting agency in developing a plan. Costs associated with the development of a technical plan are home by the requesting agency. When the plan is complete it is submitted to the Lead Agency Director, who shall review the plan for compliance and compatibility with CCCS policies and procedures.