* The ESM must be installed in this position in a Multiple Cabinet .Note: Only one of any type of daughter board may be installed on any processor card. In an L version system ONLYthe ESM board can be installed on the MCP2 card. Do not install any other types of daughterboard on the MCP2in an L version system. Other daughterboards may be installed on the SCP2 card.SWITCH CONTROL PROCESSOR (SCP2)The Switch Control Processor (SCP2) is installed in slot 9 of the KSU and reduces the available universal card slotsto eight. The SCP2 card is required when the system is to be expanded beyond a single cabinet or L version soft-ware is required. The SCP2 card has positions for three optional daughter boards. The first daughter board posi-tion (SCP2-D1) can support one of three types of daughter board, a Multi-Frequency Module (MFM), aSwitch/Conference Module (SCM) or an R2/CID Module (RCM2). The second daughter board position (SCP2-D2)can support the MFM, the SCM, the RCM2 or the MISC. The third daughter board position (SCP2-D3) can supportone of the three types of daughter board, a Multi-Frequency Module (MFM), a Switch/Conference Module (SCM)or an R2/CID Module (RCM2).Note: Only one of any type of daughter board may be installed on any processor card.MAIN CONTROL PROCESSOR (MCP2) DAUGHTER BOARD CAPABILITIESPosition Types of Daughter Boards allowed per positionMCP2 - D1 MFM, SCM, RCM2 and ESM*MCP2 - D2 MFM, SCM and RCM2MCP2 - D3 MFM, SCM, RCM and MISCSWITCH CONTROL PROCESSOR (SCP2) DAUGHTERPosition Types of Daughter Boards allowed per positionSCP2 - D1 MFM, SCM, RCM2SCP2 - D2 MFM, SCM, RCM2, and MISCSCP2 - D3 MFM, SCM, RCM22.2