IT MODULE: THE MAIN FUNCTION OF THE MODULE WHICH IS COMPOSED OF STEEL IS TO HOUSE COMPUTER SYSTEMS. IT CONTAINS ELECTRICAL COMPONENTS AND IS CAPABLE OF HOLDING 20 RACKS AND 96 SERVERS PER RACK. SINCE SERVERS CAN ONLY OPERATE WITHIN A LIIMITED TEMPERATURE AND HUMIDITY RANGE IT IS A STRUCTURE ONTO WHICH AN AIR HANDLING UNIT (AHU), A MIXING MODULE AND A DIRECT EVAPORATIVE COOLING MODULE CONNECT TO CREATE A TEMPERATURE/HUMIDITY CONTROLLED ATMOSPHERE FOR THE OPERATION OF A DATA CENTRE.

GENERAL RULES 1 AND 6 FOR THE INTERPRETATION OF THE COMBINED NOMENCLATURE. NOTE 2(B) TO SECTION XVI. THE TEXT TO TARIC CODES 8473, 8473 30, 8473 30 80 AND 8473 30 80 00. THE HARMONISED SYSTEM EXPLANATORY NOTES TO 8473.