Part 2: DECT Hardware Installation & Programming27Installing the Expansion Board and IWUsThe CCFP expansion board has to be mounted in the CCFP if more than eight RFPsare needed. The expansion board handles up to eight RFPs besides the eight RFPsthe CCFP main board handles (maximum 16 RFPs).The CCFP needs the FLASH software PCS3 or later edition to control the expansionboard. If the CCFP has an older software version it is necessary to upgrade the sys-tem. Upgrade software is not included in expansion kit (PN 13816).1. Disconnect the CCFP from its power supply.2. Remove the top cover.3. Remove the blind cover plates.4. Mount the expansion board on the CCFP by inserting the two plastic pins (Figures2.2 and 2.3).5. Insert the IWUs starting at slot no. 0 (Figure 2.2).5. Mount the expansion board internal cable in place of the blind covers (Figure 2.4).Expansion Board Rear PanelFigure 2.3 Mounting Expansion BoardFigure 2.4 Internal Cable