271. Parts and their functions1-2. Rear panel areaONOFFPOWER~AC INGNDSIGNALLANSLOT AIN/OUT A1IN/OUT A2IN/OUT B1IN/OUT B2SLOT BDVI-D INDVI-D OUTSV NM4 3SDI OUTPUTS125 8 7 6 5 4 3 2 1SDI INPUTSEDITOR COM TALLY/GPI 2 TALLY/GPI 1 REFBOOT Power switch [POWER]When the power switch is turned on, the POWER indicator(1) lights up, and the unit can be operated. SDI signal input connectors [SDI INPUTS 1 to 8]The up‑converter function can be used for theSDI INPUT 5 to SDI INPUT 8 connectors. Option slot SLOT A [IN/OUT A1, IN/OUT A2] Option slot SLOT B [IN/OUT B1, IN/OUT B2]Each of these is an input/output option slot.A DVI input board, analog output board or other optionboard can be installed in these slots.For details, refer to “How to install the option boards”(on page 12) and the operating instructions of the boardconcerned. SDI signal output connectors[SDI OUTPUTS 1 to 5]These can be allocated by the menus. Two sets of the same output signals are distributed fromthe SDI OUTPUT 1 connector. DVI-D input connector [DVI-D IN]Connect to the computer with the DVI‑D cable. The DVI‑I connector cable cannot be used. DVI-D output connector [DVI-D OUT]Connect a monitor that supports DVI‑D.It can be allocated by the menus. The DVI‑I connector cable cannot be used. Reference input connector/BB output connector[REF]Loop‑through output in the external sync mode.If the loop‑through output is not going to be used, providea 75‑ohm termination.BB signals output from both connectors in the internal syncmode. LAN connector [LAN] (RJ-45) (10/100 Base-TX) Refer to “4. External interfaces” (Settings> Operating Instructions). EDITOR connector [EDITOR](RS-422, D-sub 9-pin, female, inch screw) COM connector [COM](RS-422, D-sub 9-pin, female, inch screw) Refer to “4. External interfaces” (Settings> Operating Instructions). TALLY/GPI input/output connectors[TALLY/GPI 1, TALLY/GPI 2](D-sub 15-pin, female, inch screw) Refer to “4. External interfaces” (Settings> Operating Instructions). Ground connector [SIGNAL GND]Connect to the system’s earth ground. AC power input socket [ AC IN](AC 100 V to 240 V, 50/60 Hz)Connect one end of the supplied power cable to this socketand the other end to the AC outlet.The supplied power cable comes with a 3‑pin power plug.Be absolutely sure to plug it into a 3‑point power outlet asthe power source in order to earth the unit securely.If a 3‑point power outlet is not available for this connection,be absolutely sure to consult your dealer. Cooling fan BOOT switch [BOOT]This switch is used for maintenance purposes.For normal operations, select the “NM” (normal) position.