A LINE MONITORING UNIT THAT IS FOR CONTROL AND MONITORING OF CONVENTIONAL FIRE DETECTORS, FIRE DOORS, DAMPERS OR SIMILAR EQUIPMENT. IT IS AN ADDRESSABLE CONTROL AND INDICATION UNIT WITH TWO INPUTS AND THREE SINGLE POLE CHANGING RELAY OUTPUTS WITH BUILT IN SHORT CIRCUIT ISOLATOR. THIS CAN BE PROGRAMMED FOR DIFFERENT TYPES OF CONTROL AND MONITORING WORK. ITS FUNCTIONS ARE SELECTED BY MEANS OF A DIP SWITCH. THIS PRODUCT DOES NOT HAVE AN INTEGRAL SOUNDER OR RECORDING DEVICE AND HAS NO AUDIO VISUAL WARNING EQUIPMENT. IT IS AN EXTENSION DEVICE FOR ANALOGUE ADDRESSABLE FIRE ALARM SYSTEM. IT ALLOWS FOR FIRE DETECTORS , FIRE DOORS , DAMPER EQUIPMENT OR OTHER SUCH DEVICES TO BE TREATED AS IF THEY HAVE AN ADDRESS ON THE FIRE ALARM SYSTEM AND TO BE CONTROLLABLE IN THE SAME WAY AS ANALOGUE ADDRESSABLE DEVICES. THE DEVICE DOES NOT ITSELF PERFORM ANY MEASURING , CHECKING OR ANALYSIS FUNCTION. THE UNIT ITSELF IS MOUNTED IN A PLASTIC BOX.

CLASSIFICATION HAS BEEN DETERMINED IN ACCORDANCE WITH THE FOLLOWING:- GENERAL INTERPRETATIVE RULES (GIR)S GIR 1 HAS BEEN USED TO CLASSIFY THIS PRODUCT BY THE TERMS OF HEADING 8537: BOARDS, PANELS, CONSOLES, DESKS, CABINETS AND OTHER BASES, EQUIPPED WITH TWO OR MORE APPARATUS OF HEADING 8535 OR 8536, FOR ELECTRIC CONTROL OR THE DISTRIBUTION OF ELECTRICITY, INCLUDING THOSE INCORPORATING INSTRUMENTS OR APPARATUS OF CHAPTER 90, AND NUMERICAL CONTROL APPARATUS, OTHER THAN SWITCHING APPARATUS OF HEADING 8517 GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL. 853710 FOR A VOLTAGE NOT EXCEEDING 1 000 V CN CODE 85371091 PROGRAMMABLE MEMORY CONTROLLERS TARIC CODE: 8537109199 OTHER THAN ELSEWHERE SPECIFIED WITHIN THIS HEADING HSEN to chapter 8537