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Attachment A - Joint Agreement for 800 MHz CCCS Page 44 of 83 Management The Lead Agency is responsible for management of infrastructure equipment standards and integration. 4.13 Subscriber Equipment Standards Purpose or Objective Sets the minimum technical and performance standards for subscriber radios operating on the System including: Establishing a policy to prevent premature obsolescence of subscriber radios. Establishing procedures for Lead Agency to measure, test, certify and publish a list of subscriber radios that are approved for use on the System. Ensuring that decommissioned subscriber radios are properly deprogrammed before disposal to prevent interference with public safety communications. Technical Background The System utilizes digital communication technology with the primary use being voice communications using the APCO P25 Phase 1 protocol with 9600-baud control channels. Subscriber radios from various vendors often utilize different operating software providing a variety of services, features, functionality and performance to the users. Many of these radios Interact differently with the infrastructure and can potentially exhibit undesirable operational characteristic. It is possible that untested radios and/or software can exhibit performance and/or functionality characteristics that are destructive to the overall performance, capacity and/or security of the System. Users are prohibited from using radios or accessories that may be destructive to the System. Partner Agencies shall deliver any retired radio subscriber equipment to the Lead Agency for decommissioning and deprogramming. Decommissioned radios that are not properly deprogrammed could pose interference issues with public safety communications. Radios removed from the System for decommissioning purposes shall be deprogrammed so as to remove all System related information, ID's, and conventional channels, leaving only an idle frequency of 851.0000 MHz to prevent potential interference Issues with public safety communications. Management The Lead Agency is responsible for maintaining all testing, managing radio equipment manufacturer initiated submittals, coordinating activities of the test team, and the proper deprogramming of subscriber radios. Any Agency purchasing new subscriber equipment is encouraged to work with the Lead Agency first to ensure the new equipment meets System standards and is properly equipped to operate on the System. 4.14 System Administrator Standards Purpose or Objective