This terminal block is then just connected to the back again with the MCP. Very simple and effective with no re-termination necessary and no time wasted. It can be configured as possibly a split glass or re-settable unit by just shifting from a single element to a different. The MCP2A/R470FF/01 https://www.firesense.co.uk/type/conventional-fire-system/conventional-manual-call-points/