A REMOTE CONTROL AND MONITORING SYSTEM, FOR AIR TRAFFIC CONTROL APPLICATIONS. CAN BE USED IN BOTH AIRPORT AND WIDE AREA APPLICATIONS. THE MULTI-ACCESS SYSTEM CONSISTS OF A NUMBER OF STANDARD SOFTWARE AND HARDWARE MODULES THAT INTERCONNECT TO FORM A COMPLETE REMOTE CONTROL AND MONITORING SYSTEM. ROUTINE INSPECTIONS AND CHECKS FOR AN ENTIRE AIR TRAFFIC CONTROL NETWORK CAN BE CARRIED OUT BY COMPUTER TERMINALS REMOTE FROM THE RADIO SITES. CAN ALSO PROVIDE CONSTANT WATCH ON BUILDING SYSTEMS SUCH AS INTRUDER AND FIRE MONITOR EQUIPMENT USING OPERATIONAL AND MAINTENANCE DATA FROM CONNECTED EQUIPMENT TO PRESENT INFORMATION IN A CLEAR GRAPHICAL FORMAT TO ENGINEERS AT A REMOTE MAINTENANCE POSITION. THE EQUIPMENT PROVIDES THE HUMAN-MACHINE INTERFACE TO THE SYSTEM AND CONSISTS OF A COMPUTER INSTALLED WITH SOFTWARE WHICH COMMUNICATES DIRECTLY WITH THE REMOTE SITES. MULTIPLE UNITS CAN BE INTERCONNECTED TO PROVIDE REDUNDANCY OR FALLBACK COVERAGE WHEN A MAINTENANCE CENTRE IS CLOSED. REMOTE SITE EQUIPMENT COMPRISES DATA ROUTERS, WHICH COLLATE AND DISTRIBUTE CONTROL AND MONITORING INFORMATION FROM MULTIPLE AIR TRAFFIC CONTROL RADIOS AND ARE LOCATED AT EACH RADIO SITE WITHIN THE NETWORK. INFORMATION IS RELAYED BACK TO THE MAINTENANCE CONTROL CENTRE VIA A LOW BANDWIDTH DATA LINK.

CLASSIFICATION HAS BEEN DETERMINED IN ACCORDANCE WITH THE FOLLOWING:- GENERAL INTERPRETATIVE RULES (GIR)S GIR1 HAS BEEN USED TO CLASSIFY THIS PRODUCT BY THE TERMS OF HEADING 8537 WHICH INCLUDES NUMERICAL CONTROL APPARATUS. GIR6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL. 853710 INCLUDES FOR A VOLTAGE NOT EXCEEDING 1000 VOLTS. CN CODE 85371010 INCLUDES NUMERICAL CONTROL PANELS WITH BUILT IN AUTOMATIC DATA PROCESSING MACHINE. TARIC CODE 8537101090 INCLUDES OTHER THAN FOR USE IN CERTAIN TYPES OF AIRCRAFT. HSEN NOTE (1) TO HEADING 8537 REFERS