16CAUTION:To prevent card damage and ensure correct operation, LPUs can only be used with switching fabricmodules of the same type.• Type T LPUs have a character T in their card identifier (for example, LSXM1CGQ36TD1). TypeT switching fabric modules have a character string of SFT in their card identifier (for example,LSXM1SFT16E1).• Type H LPUs have a character of H in their card identifier (for example, LSXM1CGQ36HB1).Type H switching fabric modules have a character string of SFH in their card identifiers (forexample, LSXM1SFH16C1).• Type F LPUs have a character of F in their card identifier (for example, LSXM1CGP12FX1).Type F switching fabric modules have a character string of SFF in their card identifiers (forexample, LSXM1SFF16C1).Installing S12500-X LPUsCAUTION:For heat dissipation of the switch, you must install an LPU in the slot where an interface moduleadapter is installed. If you are not to install an LPU in the slot, remove the interface module adapterand install a filler panel.The S12500-X LPUs with the dimensions 39.8 × 399.2 × 512.1 mm (1.57 × 15.72 × 20.16 in) areavailable for the switch. To install an S12500-X LPU on the switch, first install an interface moduleadapter in the LPU slot.Installing an interface module adapter1. Remove the filler panel from the target slot. See callout 1 in Figure 13.Keep the removed filler panel secure for future use.2. As shown in Figure 15, align the adapter rear with the LPU slot and push the adapter slowlyalong the guide rails into the slot.3. As shown by callout 2 in Figure 15, use the screws provided with the interface module adapterto secure the adapter to the chassis.Figure 15 Installing an interface module adapter (S12516X-AF switch)(1) Push the interface module adapter slowly along the guide rails into the slot(2) Fasten the screws to secure the interface module adapter to the chassis122