Cabling; Operation - Extron electronics SW2 VGA DA2 A User Manual

Installation and Operation, cont'd
• If pins 4 and 5 are not connected, manual switching is
enabled. Selections can be made via the front panel
selection switches and the contact closure device.
If no active sync signal is present, the input 2 indicator LED
will still light.

Cabling

Attach cables to the switcher as detailed in the steps below. The
diagram in this section shows how the system looks when
cabling is finished.
1. Attach the computers' video output cables to the switcher
via the 15-pin HD female input connectors. If the
computers will provide the audio input, VGA with audio
combination cables, such as the Extron VGA HRA series
(#29-491-01 to #29-491-05), can be used.
2. Connect the cables from the stereo audio sources
(computers or other devices such as CD players or tape
decks) to the audio input jacks. The audio plug should be
wired as shown below.
Tip (+) Sleeve (Gnd)
Ring (R, -)
Connect VGA cables from the switcher's 15-pin HD female
3.
output connectors to the display devices (projectors,
monitors).
4. Connect the speakers' or other audio output device's cable
to the switcher's audio output captive screw connector.
5. Attach the contact closure device to the left three pins of
the 5-pole captive screw AS/REMOTE connector.
Connect power cords and turn on the devices in the
6.
following order: display and audio output devices
(projectors, monitors, speakers), contact closure controller,
SW2 VGA DA2 A/AF switcher, and input devices
(computers, audio sources).
Use either the captive screw connector or the jack
for connecting the 12VDC power supply to the
SW2 VGA DA2 A/AF. Do not use both at the same
time.
SW2 VGA DA2 A/AF • Installation and Operation
2-8
Tip (L, +)
Sleeve (Gnd)
Power
or
P O
W E
R
IN P
2
VGA
Computer
LBC
Cable
Laptop
Computer
Monitor LCD Projector
A typical SW2 VGA DA2 A/AF installation and
cable setup

Operation

1. Make sure that all the input and output devices and the
switcher are powered on.
2. If the switcher is in manual switching mode, select an
input from the front panel buttons or by using the contact
closure controller.
3. If the switcher is in autoswitching mode (rear panel
AS/REMOTE pins 4 and 5 are jumpered together), the
switcher will automatically select the highest numbered
input with an active sync signal.
4. The image should now appear on screen, and sound from
the audio source should be audible.
SW2 VGA DA2 A/AF • Installation and Operation
U T
S
1
O U
T P
U T
S
A
B
L
R
A S/
R EM
O TE
1
2
I
A
S
SW2 VGA DA2 A
1 2
Contact Closure
Control
Stereo Audio
2-9