Short haul modems, short range modems and limited distance modems for use with twisted pair cable and fiber optic cable; data communications test equipment used to test global computer information network access and to simulate telephone network noise and interference; high digital subscriber line modems; asymmetrical digital subscriber line modems; integrated services digital network modems; multiplexers used for the sharing of a common transmission medium, comprising either copper cable or ...

line drivers for fiber optic cables, LAN media converters to convert from copper to fiber; test equipment, namely, protocol analyzers and bit error rate testers, lightning and surge protection devices for datacom lines, opto isolators for datacom signals, switching products, namely, port sharing products for RS-232 and V.35 interfaces

DIGITAL DATA COMPRESSION

DATA COMMUNICATION DEVICES, NAMELY, INTERFACE CONVERTERS, MULTIPLEXERS, INTERFACE SELECTORS, DATA LINE MONITORS, DATA LINE CONNECTORS, DATA CABLES, JACKS, CONNECTOR GENDER CHANGERS, ADAPTORS, TRANSIENT SUPPRESSORS, LIGHTNING SPONGES, AND THE LIKE

Computer Software-Namely, Computer Programs

Computer Software Updating Services

Internet service provider services