INC

TELECOMMUNICATIONS PRODUCTS, NAMELY; DATA COMMUNICATIONS SYSTEMS, COMPRISING DIGITAL MULTIPLEXERS, DATA INTERFACE PLUG-INS, SWITCHING INTERFACE COMPUTER PROGRAMS, CIRCUIT MAINTENANCE COMPUTER PROGRAMS, DIGITAL CARRIERS AND REGENERATORS; TRANSMISSION SYSTEMS COMPRISING INTER-OFFICE AND LOOP CARRIER DIGITAL CHANNEL BANKS, CHANNEL INTERFACE PLUG-INS, COMMON PLUG-INS, MULTIPLEXERS, FACILITY TERMINALS AND INTELLIGENT ADJUNCTS TO EXISTING CHANNEL BANKS; AND CUSTOMER PREMISES EQUIPMENT NAMELY; DATA SERVICE UNITS, SIMULTANEOUS VOICE/DATA UNITS, DATA TERMINALS, NETWORK CHANNEL TERMINATING UNITS, MAINTENANCE TERMINATING UNITS, NETWORK INTERFACE UNITS, AND CUSTOMER DATA MULTIPLEXERS