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Installation and Operation, cont'd
Wiring the Captive Screw Connector
The 3-pin, 3.5 mm captive screw connector is used for optional
remote contact closure control of the YCS SW2 A and/or to
enable autoswitching between inputs connected to the YCS.
The following figure shows the pin assignments for the captive
screw connector.
CONTACT
1 2
AUTO-SW
Figure 2-13 — Captive screw connector pin
Contact Closure
Autoswitch
assignments
(Short to)
Connect (Short to)
To Pin 2
To Pin 3
Contact Closure
To Pin 1 and
To Pin 3
Pins 1, 2, and
(ground) of the captive screw connector enable
input switching via a latching contact closure device. If you
Pin 3
want to select inputs remotely, you can connect a momentary
To Pin 2
To Pin 1
contact closure device to pins 1, 2, and
To Pin 2
captive screw connector.
Momentarily short pin 1 to
short pin 2 to
to select input 2.
N
If the contact closure inputs remain latched, front panel
input switching is disabled.
Autoswitching
You can set up the YCS to automatically select the active,
connected input. If both inputs are active, selection defaults to
input 2 (S-video). Autoswitching remains in effect as long as the
jumper wires are connecting the three pins together.
When autoswitching is in effect, the green Auto Switch LED on
the front panel lights, and the front panel input selection buttons
are disabled.
To enable autoswitching,
1.
Cut two small pieces of wire to use as jumpers.
2.
Insert the ends of one wire into pin holes 1 and 2 of the
provided 3-pin captive screw plug, connecting pins 1 and 2
together as shown in figure 2-14, on the next page.
2-14
YCS SW2 A • Installation and Operation
Function
Select Input #1.
Select Input #2.
Select Input #1.
of the rear panel
Select Input #2.
to select input 1; momentarily
3.
Insert the ends of the second wire into pin holes 2 and 3 of
the captive screw plug, connecting pins 2 and
4.
Use an Extron Tweeker or other small screwdriver to
tighten the plug's three screws, so that the wire ends
remain securely in place.
Figure 2-14 — Captive screw plug with jumper wires
connecting pins 1, 2, and 3 (ground) together
5.
Insert the plug into the 3-pin captive screw connector on
the YCS rear panel.
1
U T
T P
O U
S
L
U T
I N P
1
R
E O
2
V I D
R
W E
P O
A X
V
1 2
E O
Figure 2-15 — 3-pin captive screw plug in rear panel,
A M
V I D
0 . 4
with pins 1, 2, and
O
I D E
S - V
U T
T P
O U
T E
M O
S
U T
R E
T
I N P
2
A C
N T
C O
2
U T
T P
L
O U
1
T E
S
M O
U T
R E
IN P
2
T
A C
N T
C O
2
1
L
1
U T
- S W
T P
O U
T O
- S W
T O
S
L
A U
A U
U T
IN P
1
R
D I O
R
A U
R
E O
2
V I D
R
W E
D I O
P O
A X
V
A U
1 2
E O
A M
V I D
0 . 4
O
I D E
S - V
connected by a jumper
YCS SW2 A • Installation and Operation
(3).
2-15
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