computerized data communications equipment, namely high performance protocol testers, monitors, remote monitors and analyzers comprised of a part or all of the following; a central processing unit, high speed controller disc drives, display monitor, keyboard, interface modules, memory modules, computer programs for use in testing, monitoring, simulation, emulation, performance analysis and/or certification of communications protocols, and structural components therefor

COMPUTERIZED DATA COMMUNICATIONS EQUIPMENT, NAMELY - HIGH PERFORMANCE PROTOCOL TESTERS, MONITORS, REMOTE MONITORS AND ANALYZERS COMPRISED OF A PART OR ALL OF THE FOLLOWING; A CENTRAL PROCESSING UNIT, HIGH SPEED CONTROLLER, DISC DRIVES, DISPLAY MONITOR, KEYBOARD, INTERFACE MODULES, MEMORY MODULES, COMPUTER PROGRAMS FOR USE IN TESTING, MONITORING, SIMULATION, EMULATION, PERFORMANCE ANALYSIS AND/OR CERTIFICATION OF COMMUNICATIONS PROTOCOLS, AND STRUCTURAL COMPONENTS THEREFOR

INSTALLATION AND MAINTENANCE OF TELEPHONE EQUIPMENT