171. Functions in each area1-9. Rear panel connections areaPOWER1REFSLOT22SLOT4234 SLOT11SLOT2 8~INSDI INPUTS TALLY66INPUTSSDI OUTPUTSINOUT3INOUT2INOUT1INOUTOUTPUTS15 7SLOT OFF2SLOT1 5SLOTSLOTPGM RS-422LANONANALOG INPUTSY Pb Pr Y Pb PrDVI INPUTSANALOG OUTPUTSY Pb Pr Y Pb PrDVI/ANALOG OUTPUTSY Pb Pr DVI-I DVI-I DVI-IGPI SIGNALGND R SDI signal input connectors [SDI INPUTS 1 to 4]IN: SDI signal inputOUT: active through output (Use this as a monitor output application.)S Optional input connector SLOT1 [INPUTS 5, 6] (optional)T Optional input connector SLOT2 [INPUTS 7, 8] (optional)A board (with built-in up-converter), whether an SDI input board, analog input board, DVI input board or analogcomposite input board, can be connected to each of these slots.For further details, refer to the operating instructions of the optional board concerned.U SDI signal output connectors [SDI OUTPUTS PGM, 1, 2]PGM: PGM output connectors1, 2: The signals for these connectors can be assigned using a menu.V Optional output connector SLOT1 [OUTPUTS 3, 4] (optional)W Optional output connector SLOT2 [OUTPUTS 5, 6] (optional)A board, whether an analog output board, DVI/analog output board or SDI output board (with built-indown-converter), can be connected to each of these slots.For further details, refer to the operating instructions of the optional board concerned.X Reference input connector/BB outputconnector [REF]Loop-through output in the external sync mode.If the loop-through output is not going to be used,provide a 75-ohm termination.BB signals output from both connectors in the internalsync mode.External synchronization signal inputLoop-through outputREFInput the external synchronization signal to the upper ofthe two connectors shown above.