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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
1
2
3
4
I
N
P
U
T
S
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
51
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 specific port “x
”.