Gefen 4x1 DVI Switcher User manual

®

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E
Rev A
7
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echnical Su
pp
or
t
:
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(
818
)
772-910
0
(
800
)
545-690
0
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(
818
)
772-912
0
T
echnical Su
pp
ort Hours
:
8
:00 AM to 5:00 PM Monda
y
thru Frida
y
.
Write To
:
G
e
f
en LL
C
c/
o
C
ustomer
S
ervic
e
2
0600
Nordho
ff
S
t
C
hatsworth,
C
A 9131
1
www.
g
e
f
en.com
s
upport
@g
e
f
en.com
Notic
e
G
e
f
en LL
C
reserves the ri
g
ht to make chan
g
es in the hardware, packa
g
in
g
and
an
y
accompan
y
in
g
documentation without prior written notice.
4
x1 DVI Switcher is a trademark o
f
G
e
f
en LL
C
©
2011
G
e
f
en LL
C
, All Ri
g
hts Reserve
d
All trademarks are the propert
y
o
f
their respective owners

CONTENT
S
1 Intr
oduc
ti
on
2
O
peration Notes
3
Features
4 Front Panel La
y
ou
t
5
Front Panel Descriptions
6
Back Panel La
y
ou
t
7 Back Panel Descriptions
8
IR Remote
C
ontrol
U
ni
t
8
La
y
out and Descriptio
n
9
Installin
g
the Batter
y
10
S
ettin
g
the IR channel on the Remot
e
11
S
ettin
g
the IR channel on the 4x1 DVI
S
witcher
12
C
onnectin
g
the 4x1 DVI
S
witcher
12 Wirin
g
Dia
g
ram
13
O
peratin
g
the 4x1 DVI
S
witcher
1
3
Front Panel Buttons and LED Indicators
13
S
witchin
g
sources usin
g
the
f
ront-panel buttons
14
S
witchin
g
sources usin
g
the IR Remote
C
ontrol Uni
t
15
S
witchin
g
sources usin
g
R
S
-23
2
1
6
R
S
-2
3
2
C
ontrol
17
S
peci
fi
cations
18 Warrant
y

1
INTRODUCTIO
N
C
on
g
ratulations on
y
our purchase o
f
the
G
e
f
en 4x1 DVI
S
witcher. Your complete
s
atis
f
action is ver
y
important to us.
G
efen
G
e
f
en delivers innovative, pro
g
ressive computer and electronics add-on solutions
that harness inte
g
ration, extension, distribution and conversion technolo
g
ies.
G
e
f
en’s reliable, plu
g
-and-pla
y
products supplement cross-plat
f
orm computer
sy
stems, pro
f
essional audio
/
video environments and HDTV s
y
stems o
f
all sizes
with hard-workin
g
solutions that are eas
y
to implement and simple to operate.
T
he Gefen 4x1 DVI Switcher
The rack-mountable
G
e
f
en 4x1 DVI
S
witcher o
ff
ers an economical solution b
y
e
liminatin
g
the need to purchase man
y
displa
y
s
f
or each DVI source in a studio
or lab situation. A plu
g
-and-pla
y
solution, the 4x1 DVI
S
witcher shares one DVI
displa
y
with up to
f
our computers or other DVI video sources, savin
g
space on
y
our desktop. The source computer is selected usin
g
the included IR remote
c
ontrol or throu
g
h R
S
-232 control.
How It Works
The DVI monitor is connected to the switcher’s output. Up to
f
our DVI sources
c
onnect to the switcher
’
s DVI inputs usin
g
included hi
g
h qualit
y
DVI cables.
The included power suppl
y
is connected to the switcher via the lockin
g
power
p
lu
g
and then to a power outlet. The currentl
y
selected computer
’
s video si
g
nal
appears on the shared monitor. Video sources are selected
/
switched usin
g
the
R
MT-4IR remote control, R
S
-232 control, or the input selector push button on the
f
ront panel o
f
the switcher.

OPERATION NOTE
S
2
READ THESE NOTES BEFORE INSTALLING OR
OPERATING THE GEFEN 4X1 DVI SWITCHER
• The 4x1 DVI
S
witcher will take an
y
o
f
up to
f
our
(
4
)
DVI sin
g
le-link resolution
inputs and switch them, one at a time, to a DVI output device such as a
displa
y/
monitor or pro
j
ector. Resolutions up to 1920x1200 are supported.
• The 4x1 DVI
S
witcher is housed in a metal box
f
or better RF shieldin
g
.
•
C
omputers must be turned on one at a time and the
S
witcher must be
s
elected to the computer that is bootin
g
up. A
f
terwards, the
S
witcher can be
r
outed to an
y
input.

3
FEATURE
S
Features
•
S
witches easil
y
between an
y
f
our DVI sources
• Maintains hi
g
hest resolution sin
g
le-link DVI at 1920x120
0
• Di
sc
r
e
t
e
IR r
e
m
o
t
e
co
ntr
o
l in
c
l
uded
•
S
erial R
S
-232 remote port
f
or switchin
g
via automated control or P
C
•
S
upports DDW
G
standards
f
or DVI monitors
P
acka
g
e Includes
:
(
1
)
4x1 DVI
S
witcher
(
4
)
6
f
t. DVI cables
(
1
)
IR Remote
C
ontrol Uni
t
(
1
)
5V D
C
Power
S
uppl
y
(
1
)
User Manual

4
FRONT PANEL LAYOU
T
Front Pane
l
4
2
1
3

5
FRONT PANEL DESCRIPTION
S
1
I
nput Indicators
(
1 - 4
)
Each o
f
these LED indicators
g
lows bri
g
ht blue accordin
g
to the current DVI
input selection
(
see
I
nput Button
s
, below
)
2
IR
R
eceives IR si
g
nals
f
rom the included IR Remote
C
ontrol Unit.
3
I
nput Buttons
(
1 - 4
)
Pressin
g
each o
f
these buttons selects the desired DVI input source
(
1 - 4
)
.
4
P
owe
r
This LED indicator will
g
low bri
g
ht red when the unit is powered..

6
BACK PANEL LAYOU
T
Back Panel
5
2
3
4
1

7
BACK PANEL DESCRIPTION
S
1
5V D
C
C
onnect the included 5V D
C
lockin
g
power suppl
y
to this receptacle.
2
In
1
- In
4
Each o
f
these ports will accept a DVI source device.
3
DVI Ou
t
This port will accept a sin
g
le DVI output device. The currentl
y
selected DVI
input source will be output via this port.
4 RS-232
This port is used
f
or serial communication usin
g
an R
S
-232 control device. For
details, re
f
er to pa
g
e 16.
5 Ext I
R
C
onnect an IR extender
(G
e
f
en part no. EXT-RMT-EXTIR
)
cable to this port.

8
IR REMOTE CONTROL UNI
T
2
1
Activity Indicato
r
This LED will be activated momentaril
y
each time a button is pressed.
2
S
ource Selection Buttons
(
1 - 4
)
Th
ese
bu
tt
o
n
s
a
r
e
used
t
o
se
l
ec
t whi
c
h
sou
r
ce
i
s
r
ou
t
ed
t
o
a
m
o
nit
o
r.
L
a
y
out and Description
1
NOTE: An Activit
y
Indictor that flashes quickl
y
while holdin
g
down
an
y
one o
f
the sixteen buttons indicates a low batter
y
. Replac
e
the IR Remote Control batter
y
as soon as possible.

9
IR REMOTE CONTROL UNI
T
Installin
g
the Batter
y
1.
R
emove the batter
y
cover on the back o
f
the IR Remote
C
ontrol Unit.
2. Insert the included batter
y
into the open batter
y
slot. The positive
(
+
)
side o
f
the batter
y
should be
f
acin
g
up.
3
.
R
eplace the batter
y
cover
.
The Remote
C
ontrol unit ships with two batteries.
O
ne batter
y
is required
f
or
operation and the other batter
y
is a spare.
WARNING
:
Risk o
f
explosion i
f
batter
y
is replaced b
y
an
incorrect t
y
pe. Dispose o
f
used batteries accordin
g
to the
in
s
tr
uc
ti
o
n
s
.
Batter
y
S
lo
t

10
C
orresponding DIP
S
witch
S
ettings
f
or each IR
C
hannel
It is important that the IR channel on the Remote
C
ontrol unit, matches the IR
c
hannel set on the 4x1 DVI
S
witcher. For example, i
f
both DIP switches on the
IR Remote
C
ontrol unit are set to IR channel 0
(
both DIP switches down
)
, then
the 4x1 DVI
S
witcher must also be set to IR channel 0.
S
ee the next pa
g
e
f
or
details on how to chan
g
e the IR channel on the 4x1 DVI
S
witcher.
IR REMOTE CONTROL UNI
T
IR
C
hannel
0
(
de
f
ault
)
1 2
ON
Settin
g
the IR channel on the Remot
e
In th
e
e
v
e
nt th
a
t IR
co
mm
a
n
ds
f
r
o
m
o
th
e
r r
e
m
o
t
e
co
ntr
o
l
s
int
e
r
fe
r
e
with th
e
s
upplied IR Remote
C
ontrol unit, chan
g
in
g
the IR Remote
C
ontrol’s IR channel
will
fi
x the problem. The IR Remote
C
ontrol unit has a bank o
f
DIP switches used
f
or settin
g
the IR channel. The DIP switch bank is located underneath the batter
y
co
v
er
.
L
eft: Pi
c
t
u
r
e
of
th
e
opened rear batter
y
c
ompartment o
f
the IR
r
emote showin
g
the
e
xposed DIP
S
witch
ba
nk
be
tw
ee
n th
e
batter
y
chambers.
IR
C
hannel
2
1 2
ON IR
C
hannel
3
1 2
ON
IR
C
hannel
1
1 2
ON
1 2

1
1
Settin
g
the IR channel on the 4x1 DVI Switcher
In order
f
or the IR Remote
C
ontrol Unit to communicate properl
y
with the
S
witcher, both the Remote and the
S
witcher must be set to the same IR channel.
The 4x1 DVI
S
witcher has a bank o
f
ei
g
ht
(
8
)
DIP switches on the bottom o
f
the
u
nit. DIP switch 7 and
8
are used to set the IR channel
f
or the
S
witcher. DIP
s
witches 1 - 6 are reserved
f
or
f
uture expansion.
U
se the
f
ollowin
g
settin
g
s
f
or DIP switch 7 and 8 to set the IR channel on the 4x1
DVI
S
witcher
:
IR REMOTE CONTROL UNI
T
IR Channel 0
7 8
ON
L
eft : DIP switch 7 and
8
on
the bottom o
f
the
S
witcher.
Th
ese
DIP
s
wit
c
h
es
a
r
e
in th
e
de
f
ault
(O
FF
)
position.
7 8
IR
C
hannel
1
ON IR
C
hannel
2
ON
7 8
IR
C
hannel
3
ON
7 8

12
CONNECTING THE 4X1 DVI SWITCHER
How to Connect the 4x1 DVI Switcher
1
C
onnect up to
f
our
(
4
)
computers to the DVI inputs on the back panel o
f
the
S
witcher usin
g
the included DVI cables.
2
C
onnect a DVI displa
y
to the DVI output on the back panel o
f
the
S
witcher.
a
O
PTI
O
NAL: To use the R
S
-232 control, connect an R
S
-232 cable
between the
S
witcher and R
S
-2
3
2 host controller.
b
O
PTI
O
NAL: To extend the ran
g
e o
f
the IR control, connect an IR
Extender
(G
e
f
en part no. EXT-RMT-EXTIR
)
to the back o
f
the
S
witcher.
3
C
onnect the included 5V lockin
g
power suppl
y
to the power receptacle on
the 4x1 DVI
S
witcher
4
C
onnect the A
C
power cord to an available electrical outlet.
Wirin
g
Dia
g
ram for the 4x1 Displa
y
Port Switcher
A
TTENTION: This product should alwa
y
s be connected to a
g
rounded electrical socket.
EXT-DVI-441N
DVI CABLE
Switcher
XT
EX
DVI MONITOR
Computer
u
ter
e
Computer
Computer
Computer

1
3
OPERATING THE 4X1 DVI SWITCHER
Front Panel Buttons and LED Indicators
The
f
ront panel o
f
the 4x1 Displa
y
Port
S
witcher has a set o
f
f
our
(
4
)
LED
indicators, displa
y
in
g
which input
(
source
)
is bein
g
displa
y
ed. Each o
f
these LED
indicators corresponds to one o
f
the push-buttons on the
f
ront panel.
Switchin
g
sources usin
g
the front-panel buttons
Example:
S
witch to input 3 using the
f
ront-panel buttons
:
1 Press button 3 on the
f
ront panel o
f
the 4x1 Displa
y
Port
S
witcher.
2 The LED indicator
f
or input 3 will
g
low bri
g
ht blue on the
f
ront panel.
1
2

1
4
Switchin
g
sources usin
g
the IR Remote Control Uni
t
Example:
S
witch to Input 1 using the IR Remote
C
ontrol
:
1 Press button 1 on the IR Remote
C
ontrol Unit. The Activit
y
Indicator on the
IT Remote
C
ontrol Unit will
g
low
y
ellow, indicatin
g
that a button was pressed.
2 The LED indicator
f
or input 1 will
g
low bri
g
ht blue.
OPERATING THE 4X1 DVI SWITCHER
2
1

15
Switchin
g
sources usin
g
RS-232
C
on
fi
g
ure the
S
witch
f
or use with R
S
-232
(
see pa
g
e 14
f
or details
)
.
Example:
S
witch to input 4 using R
S
-23
2
1T
y
pe
4
then press the Enter ke
y
to route the
S
witcher to Input 4.
S
ee pa
g
e
1
5
f
or additional in
f
ormation on R
S
-2
3
2 commands.
2 The LED indicator
f
or Input 4 will
g
low bri
g
ht
g
reen on the
f
ront panel.
OPERATING THE 4X1 DVI SWITCHER
2
t
erm
i
na
l
rea
d
y..
.
4
R
oute to Input 4
1

1
6
RS-232 CONTROL
O
nl
y
pins 2
(
Receive
)
, 3
(
Transmit
)
, and 5
(G
round
)
are used
f
or communication.
A null-modem adapter should not be used with this product.
54321
9876
12345
6789
Only Pins 2 (RX), 3 (TX), and 5 (Ground) are used on the RS-232 serial interface
Serial Port Settin
g
s
Bits per second ............................................................................................ 19200
Data bits ...............................................................................................................
8
Parit
y
............................................................................................................. Non
e
S
top bits ................................................................................................................
1
Flow
C
ontrol .................................................................................................. Non
e
NOTE
:
O
nl
y
pins 2
(
Receive
)
, 3
(
Transmit
)
, and 5
(G
round
)
are
u
sed
f
or communication. A null-modem adapter should n
ot
be
t
u
sed with this product.

SPECIFICATION
S
17
M
aximum Pixel
C
lock................................................................................1
65
MH
z
Input Video
S
i
g
nal................................................................................1.2 Volts p-
p
Input DD
C
S
i
g
nal...........................................................................5 Volts p-p
(
TTL
)
DVI Input
C
onnectors......................................
(
4
)
DVI-I 29-pin
f
emale
(
di
g
ital onl
y)
DVI
O
utput
C
onnectors...................................
(
1
)
DVI-I 29-pin
f
emale
(
di
g
ital onl
y)
RS
-232
C
onnector.........................................................................
(
1
)
DB-9,
f
emal
e
IR Extender
C
onnector........................................................
(
1
)
3.5 mm mini-stere
o
Power
S
uppl
y
................................................................................................5 V D
C
Power
C
onsumption........................................................................10 Watts
(
max.
)
Dimensions..........................................................................14
”
W x 1.2
”
H x 2.
9”
D
S
hippin
g
Wei
g
ht..............................................................................................7 lbs.