User manual Page 99www.keit.co.uk Appendix 2: DOC0535 (10 July 2019, 16:56)Back to Table of ContentsParameter / Feature DescriptionMains Power Requirement 90 to 264 Volts AC, 47 to 63Hz. Internal controller requirementis 20W and the internal power supply is rated to 60W.Fibre-Optic Link The data communications between the controller and thespectrometer are provided by a Duplex LC multimode fibre-optic cable which is supplied by Keit.Front panelIndicator Label FunctionHDD Hard Disk ActivePWR Power is SuppliedICRON - PWR Blue LED turns on when power is supplied. Off when no power issupplied.ICRON – Link Green LED Indicates a valid fibre optic link is established between thecontroller and the spectrometer.ICRON – Host Green LED Indicates that the Fibre Optic link to the spectrometer isproperly connected within the controller. The LED blinks when insuspend state.ICRON - ACTV Amber LED Indicates activity when data transmission is active betweenthe controller and the spectrometer.