Extron electronics VSW 2VGA A User Manual page 24

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Installation and Operation, cont'd
Input 1 loop-through (Loop Thru Input 1) — 15-pin HD female
2
VGA connector for buffered local monitor output from Input 1
3 Output — 15-pin HD female VGA connector for output from
Input 1 or Input 2. The output video type follows input type
and is either VGA-UXGA, RGBHV, RGBS, RGsB, RsGsBs,
component video, or HDTV component video.
4 Audio Output (Aud Out) — Unbalanced stereo audio is output
from this 3.5 mm mini audio jack. Wire the male audio plug, as
shown below.
3.5 mm Stereo Plug Connector
5 Contact closure/Autoswitching (Contact/Auto-SW) —
Connect a contact closure device to this 3.5 mm, 3-pole captive
screw connector.
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VSW 2VGA A • Installation and Operation
2-12
CAMBOARD Electronics
RGsB and RsGsBs inputs and outputs occur in manual
mode only. Autoswitching requires TTL level sync on
pin 13 of the 15-pin HD connector.
Tip (L)
Ring (R)
Sleeve ( )
(unbalanced)
Pin 1 selects Input 1 when momentarily connected to
ground (pin 3).
Pin 2 selects Input 2 when momentarily connected to
ground (pin 3).
Pin 3 connects to the ground wire (equipment ground).
CONTACT
1 2
AUTO-SW
Simultaneously connecting both pins 1 and 2 to
ground (pin 3) using a contact closure device turns
autoswitching mode on.
Pins 1, 2, and 3 when jumpered/shorted together turn the
autoswitching mode on. When the autoswitching mode
is on, the switcher automatically switches to the input that
has an active sync signal. See the above diagram.
If both inputs have an active sync signal present, input 2 is
selected, and the input 2 LED indicator lights. If no active
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