Integrated network maintenance tool designed for use in installing and maintaining local area wired and wireless networks, namely, a network analyzer; Electronic testing apparatus, namely, hand-held apparatus for testing and monitoring wired and wireless network connectivity; Electronic testing apparatus for network management and troubleshooting; Electric apparatus and instruments comprised of computer hardware and recorded software for fault diagnosis of wired and wireless computer networks; Network cable tester; computer network interface devices; Electronic and optical communications instruments and components, namely, communication link testers for testing communication links; Electronic test and measurement devices for use in the fields of networks and telecommunications, namely, instrumentation used to test and certify new and existing data and voice communication cable and wireless networks; Recorded computer software for measuring, testing, analyzing, monitoring, certifying and fault diagnosis of electric and optical cables, electric and optical connections and computer networks; Recorded computer programs for data processing, namely, analyzing and validating network connectivity and configuration