H3C SR6608/6604 Routers Installation Manual Chapter 1 Router Overview1-9Table 1-5 Description of the CF LEDLED Status MeaningOff No CF card is present or the CF card is notrecognizable.On A CF card is in position and has been detected.CF (green)Blinking The system is accessing the CF card. In this state,do not remove the CF card.Note:Do not remove the CF card when the CF LED is blinking. Otherwise, the file system onthe CF card will be damaged.1.3.2 FIP-100I. IntroductionFlexible interface platform-100 (FIP-100) is a type of line processing unit (LPU) thatsupports H3C legacy multifunctional interface modules (MIMs). FIP-100 can beinserted in slot 2, 3, 4, or 5 of the SR6608 or slot 2 or 3 of the SR6604. FIP-100 providestwo GigabitEthernet (GE) Combo interfaces and supports four MIMs at the same time.FIP-100 is hot-swappable.Note:z FIP-100 and FIP-200 are called LPUs in general.z “Hot-swapping” a module refers to first using the remove slot slot-number [ subslotsubslot-number ] command to stop the module and then pulling it out manually, orinserting the module into its slot without powering off the device. For details aboutthe remove slot command, refer to H3C SR66 Series Routers User Manual.