39 Safety Bus Manual — P/N LS10177-000HI-E:B 02/21/2019System Components SB-ECM ModuleTerminal Block TB5This terminal block is used to connect Input channels 9, 10, 11, 12, 13, and 14.Terminal Block TB6This terminal block is used only in the version embedded in the extinguishing module and is usedto connect the module to the display board.Grounding the ModuleThe module must be connected to the system ground using the screw located on the front panel.Pin Tag I/O ModeOperating modeEmbedded Mode 1Operating modeEmbedded Mode 2Operating modeEmbedded Mode 3Operating mode1 +L9 Ch-9 line output EV EV-Main EV-Primary Discharge2 -L93 +L10 Ch-10 line output EV EV-Reserve EV-SecondaryDischarge4 -L105 +L11 Ch-11 line output EV/TOA/TO EV-Main/TOA/TO EV- PrimaryDischarge/TOA/TO6 -L117 +L12 Ch-12 line output EV/TOA/TO EV-Reserve/TOA/TO EV- SecondaryDischarge/TOA/TO8 -L129 +L13 Ch-13 line output TOA/TO TOA/TO TOA/TO10 -L1311 +L14 Ch-14 line output TOA/TO TOA/TO TOA/TO12 -L14Pin Tag Function1 +RS485 RS485 bus positive2 -RS485 RS485 bus negative