112 Replacing Modules TB9100/P25 CG/P25 TAG Installation and Operation Manual© Tait Limited March 2014Configuring the Subrack Interconnect BoardThe multi-reciter subrack interconnect board has a set of DIP switches andlinks that must be set correctly before the equipment is used. The locationsof these switches and links are shown in Figure 7.3.Switch Settings You must ensure that switches S1, S2, S3 and S4 are set correctly for the typeof module installed in the equivalent subrack position. Only subrackpositions 3, 5, and 6 are affected. (Subrack positions 1, 2, 4 and 7 are forreciters only and require no switch settings.) The following table gives theswitch settings for reciters, PAs, and for the PMU.SubrackPositionSwitchNumberSwitch Settingsfor ReciterSwitch Settingsfor PASwitch Settingsfor 12V PASwitch Settingsfor PMU a3 S2:1S2:2S2:3S2:4offoffononononoffoffononoffoff5 S3:1S3:2S3:3S3:4offoffononononoffoffononoffoff6 S4:1S4:2S4:3S4:4offoffononononoffoffoffoffoffoffononoffoffS1:1S1:2S1:3S1:4not usednot usedononnot usednot usedoffoffnot usednot usedononnot usednot usedoffoffa. Note that these settings allow the CSS to communicate with the PMU through reciter 1.