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2-7

SW8/12 VGA Ars • Installation and Operation

Cable Connections

Power connection

When you are ready to apply power to your SW8/12 VGA Ars unit, connect the

female end of the power cord to the AC outlet at the left edge of the rear panel,

andconnectthemaleendofthepowercordtoa120/240VACpoweroutlet.

WhenpowerisappliedallfrontpanelLEDslightforonesecond,thengoout.

TheLEDforthepreviouslyselectedinputthencomesonandremainslituntilthe

current input is de-selected.

100-240V 50/60Hz

1.2A MAX

Power connector

Figure 2-6 — Power connector

Computer video input connections

Dependingonthemodel(SW8orSW12)thereare8or12videoinputportsonthe

rear panel.

Each15-pinHDfemaleconnectorsupportscomputervideosignalswithresolutions

fromVGA-QXGAandHDTVsignals.

Female

15 11

610

Figure 2-7 Video input connectors

SW8/12 VGA Ars switchers monitor each input port for the presence of a

horizontalsyncpulse,whichindicatesthepresenceofavideosignal.When

detected,thevideosignal’spresenceisreportedontheswitcher’sRS-232control

port.Seechapter3,“OperationandControl”forinformationontheSimple

InstructionSet(SIS

™

) commands which can be used to communicate through the

RS-232port.

TheSIScommand0S requests the switcher to report the status of all inputs at once.

TheSIScommandxSrequeststhestatusofspecicport“x”.  

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Extron electronics SW12 VGA Ars Istruzioni per gli Interventi Pagina 16