Electronic test and measurement equipment, namely; protocol analyzers, transmission testers, bit error rate testers, storage area network (SAN) testers, synchronous optical network (SONET) testers, router testers, ethernet switch testers, asynchronous transfer mode (ATM) testers, multi-protocol label switching (MPLS) testers, internet protocol (IP) testers; equipment to test communication equipment (including wireless); equipment to test telephone, cellular telephone, television, cable television and broadband equipment; light wave test equipment; equipment to test computer and communications networks