Application Diagrams - Extron electronics SW2 USB User Manual

•
•
•
•
•

Application Diagrams

The following diagrams show examples of how an SW USB Series switcher can be
connected.
Figure 1.
RS-232 control and pass-through — The SW USB switcher can be controlled by
Simple Instruction Set (SIS
™
commands can be sent to an RS-232 controllable Extron AV switcher attached to the
SW USB RS-232 Pass Thru port (see the
an explanation of the available SIS commands).
Contact closure control — Connecting a push-button contact closure device to the SW
USB Contact port or shorting pin 1, 2, 3, or 4 to the ground ( _ ) pin of the Contact port
provides an alternative method of input selection on the SW USB. Commands issued via
contact closure can also be passed through the RS-232 Pass Thru port to an attached
RS-232 controllable Extron switcher (see
"Installation" section for more information).
Hot key switching — (SW4 USB Plus only) When host emulation is enabled, inputs can
be selected by a combination of key presses on a keyboard connected to port 3 or 4.
Front panel security lockout (executive mode) — To prevent unauthorized access
to the switchers, front panel lock mode can be enabled via front panel controls or SIS
commands to disable all front panel controls.
Port status LEDs — The Active USB LEDs provide visual indication of port status and
activity for USB peripherals and all connected and active host devices.
Extron
SW4 USB
USB Switcher
U B
T H
3
P U U SB
U T
B O
U S
2
U SB U SB
1
U SB
T
P U
IN
G 4
IN P C
C H
W IT
B S 3
P C
U S
2
P C
P C 1
W ER
PO
V M AX
12 0. 4A
USB
PC PC
Connection Diagram for an SW4 USB Switcher with Interactive White
Board
) commands received via an RS-232 interface. These SIS
"SIS Programming and
"Setting Up Contact Closure
2
OUT
USB
1 Rx
1 B 10
USB OUT US
O H
AUT SW ITC
-2 32
RS
C T
N TA AA P
USB 01
C O 4 VT R0
R x 3
Tx 2 2
1 P 10
AA
Tx
USB
-2 32
RS RU
TH
SS
PA
4
PC PC
SW USB Series • Introduction
Control" section for
Control" in the
o
id e
e V
t iv
A c
:
e o
V id
t a l
D l
R E n e
o n
a n
r iz
C h
H o
n c
S y
ls e
P u
Interactive White Board
2