Extron Electronics SW USB Series Setup Guide User Manual
Sw usb series usb switchers setup guide
68-1679-01
Rev. A
01 09
SW USB Series USB Switchers Setup Guide
Follow these steps to set up and start using the SW USB. (Refer
to the SW USB Series User’s Manual for details.)
1
. Mount the SW USB on a rack shelf or under furniture, if
desired.
2
. Connect host device(s) to one or more SW USB input
connectors, using A to B type USB cable in lengths of up to
15' (4.5 m).
3
. Connect one or more peripheral USB devices (such as a
keyboard and/or mouse) to the USB Output Hub ports, using
USB cable in lengths of up to 15' (4.5 m).
If host emulation will be used (SW USB Plus only):
Attach
a standard keyboard and/or mouse to output port 3 and/or
4, and set the appropriate DIP switch(es) to On. (If host
emulation is not used, connect devices to any desired port.)
4
. If desired, connect an RS-232 cable to the SW USB’s RS-232
port and to a host computer or control system.
N
The RS-232 computer or control system should not
be one of the source devices connected to any of the
input ports.
5
. If desired, connect an external Extron A/V switcher to the
RS-232 Pass Thru port. This switcher can then be controlled
by commands sent via this port.
6
. If using RS-232 pass-through to control an A/V switcher,
enter one of the following SIS
commands via your
computer’s RS-232 interface to select a loop mode.
•
E
1LOOP
}
(Loop 1 mode) — SIS commands are
sent via an RS-232 interface to the SW USB, which
passes them through the RS-232 Pass thru port to the
A/V switcher.
•
E
0LOOP
}
(Loop 0 mode [default]) — In addition to
SIS commands being sent from the computer’s RS-232
interface to the A/V switcher via the RS-232 Pass
Thru port, the SW USB sends the SIS input selection
command
X!
! to the A/V switcher via the RS-232 Pass
Thru port, regardless of the method of input selection
(contact closure, front panel button, or SIS command).
7
. If desired, connect a 2-button or 4-button contact closure
device to the SW USB’s Contact port.
8
. If using a different external power supply from the provided
one, wire the two-pin captive screw connector to the power
supply.
9
. Power on the system components in the following order:
a. USB peripheral device(s)
b. The SW USB switcher
c
. The host device(s)
OUTPUT
REMO
TE
OUTPUT
L
R
SW4
VG
A Ar
s
100-240V
0.2A
50-60H
z
INPUTS
1
2
3
4
USB SWITCHED I
NPUTS
USB OUTPUTS HUB
Tx
Tx Rx
RS-232
RS-232
PASS
TH
RU
USB
3
USB
1
USB
2
USB
4
1.5A MA
X
12V
PO
WE
R
+
PC
1
PC
2
PC
3
PC
4
MOU
SE
ON
KEYBO
ARD
ON
OF
F
HOST
EMULA
TION
CONT
AC
T
1
2
3
4
Flat Panel Display
Extron
SW4 VGA Ars
VGA/Audio Switcher
Desktop
PC #1
Desktop
PC #3
Desktop
PC #4
RS-232
Loop-Through
Extron
SW4 USB Plus
USB Switcher
USB
RS-232
RS-232
Control System
Mouse
Keyboard
VGA
Outputs
Desktop
PC #2
SW4 USB Plus switcher in a KVM
(keyboard/video/mouse) switching application
USB SWITCHING INPUT
Tx
Tx Rx
RS-232
CON
TAC
T
1
2
3
4
RS-232
PASS THRU
USB OUTPUT HUB
USB
3
USB
1
PC
1
PC
2
PC
3
PC
4
USB
2
USB
4
0.4A MA
X
12V
POWE
R
+
AAP 1
02
AUTO
SW
ITCH
USB
OU
T 1
USB
OU
T 2
USB
101
Rx
Extron
SW4 USB
USB Switcher
USB
Interactive Whiteboard
USB
USB
VTR001 AAP
Video:
RE
D
Channe
l
Horizontal
Sync
Puls
e
Active Video
PC
PC
PC
PC
Connection diagram for an SW4 USB switcher with
an interactive white board
Extron
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The Extron SW2 USB, SW4 USB, and SW4 USB Plus are two- and four-input USB switchers that allow
switching between multiple host devices and USB peripherals.
They can be remotely set up and
controlled via a host computer or other control system that is attached to the rear panel RS-232 port.
Simple Instruction Set (SIS
™
) commands can be issued to the switcher from a computer using the
RS-232 Interface.