Gefen Switch EXT 3GSDI 441 User Manual

®
4x1 3GSDI  
Switcher  
EXT-3GSDI-441  
User Manual  
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CONTENTS  
1
2
3
4
5
6
6
7
8
9
Introduction  
Operation Notes  
Features  
Panel Layout  
Panel Descriptions  
Connecting And Operating The 4X1 3GSDI Switcher  
Wiring Diagram  
IR Remote Description  
IR Remote Conguration  
DIP Switches  
10 RS-232 Serial Control Interface  
11 Specications  
12 Warranty  
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INTRODUCTION  
Congratulations on your purchase of the 4x1 3GSDI Switcher. Your complete  
satisfaction is very important to us.  
Gefen  
Gefen delivers innovative, progressive computer and electronics add-on solutions  
that harness integration, extension, distribution and conversion technologies.  
Gefen’s reliable, plug-and-play products supplement cross-platform computer  
systems, professional audio/video environments and HDTV systems of all sizes  
with hard-working solutions that are easy to implement and simple to operate.  
The Gefen 4x1 3GSDI Switcher  
The Gefen 4x1 3GSDI Switcher allows any one of four high-bandwidth 3G-SDI,  
HD-SDI or SDI sources to be switched to a single output without a switching  
delay or loss of signal quality. Ideal for cutting equipment costs in the studio by  
enabling shared signal routing, this product supports source resolutions up to  
1080p and has convenient switching methods.  
How It Works  
Up to four 3G-SDI sources connect to BNC input jacks on one side of the Gefen  
4x1 3GSDI Switcher. A single 3G-SDI output connects on the output side. Power  
is applied to the 4x1 3GSDI Switcher and a vibrant video picture is transmitted  
to the output device. Any 3G-SDI input source is selectable via the included  
IR remote control or a selector button on the front panel of the 4x1 3GSDI  
Switcher. Selection of sources may also be performed by using the RS-232  
communications port.  
1
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OPERATION NOTES  
READ THESE NOTES BEFORE INSTALLING OR  
OPERATING THE 4X1 3GSDI SWITCHER  
The 4x1 3GSDI Switcher will accept the following formats:  
SDI - SMPTE 259M-C (270Mbps)  
HD-SDI -SMPTE 292M (1.485, 1.485/1.001 Gbps)  
3G-SDI-SMPTE 424M/425M (2.97/3.0 Gbps)  
2
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FEATURES  
Features  
Switches four 3G-SDI sources instantly without signal degradation  
Streamlines equipment by eliminating unnecessary hardware  
Switching is accomplished 3 ways -- by using the optional IR remote, the  
front panel selector button, or the RS-232 interface.  
Video resolutions up to 1080p are supported  
Backwards compatible with SDI and HD-SDI audio/video formats  
Plug-and-play installation  
Distributes video without latency  
Package Includes  
(1) 4x1 3GSDI Switcher  
(1) IR Remote Control Unit  
(1) 5V DC Locking Power Supply  
(1) 6ft DB9 Cable ( M-F)  
(1) User Manual  
3
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PANEL LAYOUT  
Front Panel  
1
2
3
4
Back Panel  
5
6
7
8
4
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PANEL DESCRIPTIONS  
1
IR (Infrared) Receiver  
This receiver will accept command for switching between input devices using  
the included RMT-4IR remote control. Line of sight must be preserved between  
the remote and unit for proper operation.  
2
3
4
Power LED Indicator  
This LED will become active once the included 5V DC power supply is properly  
connected between the unit and an open wall power socket.  
Selected Input LED Indicator  
There is a 4 LED array to indicate which source is currently selected on the 4x1  
3GSDI Switcher. The currently selected input will be indicated by an active LED.  
3G-SDI Input Source Selector Button  
Pressing this button will manually switch between as many as four SDI sources  
connected on the rear of the Switcher. The inputs ports (item 5 below) can  
accept (up to four) 3G-SDI, HD-SDI or SDI capable devices. The selected  
input source is sent to the single output. Selection of input sources may also  
be accomplished using the included RMT-4IR remote control or via the RS-232  
serial communication port.  
5
6
7
3G-SDI Inputs 1-4  
These inputs ports can accept BNC connections from (up to four) 3G-SDI, HD-  
SDI or SDI capable devices.  
3G-SDI Output  
This output will accept a single 3G-SDI, HD-SDI or SDI output device with a  
standard BNC connector.  
RS-232 Serial Communications Port  
This port is used to control input source swithcing on the 4x1 3GSDI Switcher.  
Please see page 10 for complete details on the serial communication features  
that are used on this product.  
8
5V DC Power Receptacle  
This receptacle will require power from the included 5V DC power supply for  
proper operation. Connect the included power supply between this port and an  
open wall power socket.  
5
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CONNECTING AND OPERATING THE 4X1 3GSDI SWITCHER  
How to Connect the 4x1 3GSDI Switcher  
1. Connect up to four 3G-SDI, HD-SDI or SDI source devices to the 4x1 3GSDI  
Switcher’s inputs using user supplied cables.  
2. Connect a single 3G-SDI, HD-SDI or SDI capable device to the 4x1 3GSDI  
Switcher’s outputs using a user supplied cable.  
3. Connect the included 5V DC power supply between the 4x1 3GSDI  
Switcher’s power receptacle and an open wall power socket.  
4. Initialize (power on) the output device rst and the source devices second.  
How to Operate the 4x1 3GSDI Switcher  
The source input is selectable by using either the included RMT-4IR remote  
control or the integrated RS-232 serial communication port. The LED indicators  
on the front panel indicate the currently selected input. If the selected input has  
no source connected, the LED will be red. If the selected input is connected to a  
source, the LED will be green.  
Please see page 7 for IR Remote Control Unit operation.  
Please see page 10 for RS-232 serial communication control operations.  
Wiring Diagram for the 4x1 3GSDI Switcher  
3G-SDI Source  
3G-SDI CABLE  
3G-SDI Source  
3G-SDI Source  
Switcher  
3G-SDI Source  
3G-SDI Display  
EXT-3GSDI-441  
6
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IR REMOTE DESCRIPTION  
The included RMT-4IR remote control is used to switch between inputs on the 4x1  
3GSDI Switcher. Only one input can be selected at a time and this input is then  
output to the connected SDI output device.  
Example: Switch to the 3G-SDI source connected to In 3.  
Point the Remote at the 4x1 3GSDI Switcher and press button 3 on the IR  
Remote Control Unit.  
Table of IR Remote Commands  
for the Optional RMT-4IR Remote Unit  
RMT-4IR Button  
Source  
1
2
3
4
1
2
3
4
7
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IR REMOTE CONFIGURATION  
Setting the IR Remote Channel on the RMT-4IR  
In the event that IR commands from other remote controls conict with the  
supplied IR Remote Control Unit, changing the remote IR channel will x this  
issue. The IR Remote Control Unit has a bank of DIP switches for setting the IR  
channel.  
The DIP Switch bank on the IR Remote Control Unit is located underneath the  
battery cover.  
Remote Channel 1:  
Default  
Remote Channel 2:  
Remote Channel 4:  
1
1
2
2
1
2
Remote Channel 3:  
1
2
Left: Picture of the opened rear battery  
compartment of the RMT-4IR remote showing  
the exposed DIP Switch bank between the  
battery chambers.  
The IR channel selected on the IR Remote Control Unit must match the IR  
channel assigned to the 4x1 3GSDI Switcher. For example, if you set both DIP  
switches on the remote to the down position (IR channel 1), you must set the 4x1  
3GSDI Switcher to use IR channel 1.  
See page 9 on how to change the IR channel on the 4x1 3GSDI Switcher.  
8
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DIP SWITCHES  
4x1 3GSDI Switcher Configuration  
On the bottom of the unit, there is a bank of four (4) DIP switches. Each DIP  
switch performs a different function.  
2
4
1
3
DIP 1 - Termination Mode  
ON - 100Ω Termination  
Adds a 100Ω termination on the RS-485 line. This DIP switch should only be  
used when RS-485 is enabled and if the line is to be terminated, usually on  
the last device in the chain.  
OFF (default) - No Termination  
For normal use and when using the RS-232 protocol.  
DIP 2 - RS-232 / RS-485 Protocol  
ON - RS-485  
Sets the product to use the RS-485 serial protocol. DIP switch 1 should be  
set to the ON position. Refer to DIP switch 1 information, above.  
OFF - RS-232  
Sets the product to use the RS-232 serial protocol.  
DIP 3 / DIP 4 - IR Channel  
The IR channel assigned to the IR Remote Control must match the IR  
channel assigned to the 4x1 3GSDI Switcher. The factory setting (default)  
for DIP 3 and DIP 4 are in the OFF position. See page 8 for setting the IR  
channel on the IR Remote Control Unit.  
DIP 3  
OFF  
ON  
DIP 4  
OFF  
OFF  
ON  
IR Channel  
1
2
3
4
OFF  
ON  
ON  
9
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RS-232 SERIAL CONTROL INTERFACE  
5 4 3 2 1  
1 2 3 4 5  
9 8 7 6  
6 7 8 9  
Only Pins 2 (RX), 3 (TX), and 5 (Ground) are used on the RS-232 serial interface  
What are the communication port settings?  
Bits per second ............................................................................................ 19200  
Data bits ............................................................................................................... 8  
Parity ............................................................................................................. None  
Stop bits ................................................................................................................1  
Flow Control .................................................................................................. None  
ASCII  
RMT-4IR  
Button  
Binary  
Input (Source)  
1
2
3
4
1
2
3
4
0011 0001  
0011 0010  
0011 0011  
0011 0100  
1
2
3
4
Commands  
Command  
Description  
?
Returns the current input  
?
The ? command returns the currently selected input.  
Syntax:  
?
Example:  
If the currently selected input is Input 2, then “2” will be returned.  
10  
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SPECIFICATIONS  
Input/Output ...................................................SDI/SMPTE 259M (up to 360 Mb/s)  
Input/Output ............................ HD-SDI/SMPTE 292M (1.485, 1.485/1.001 Gbps)  
Input/Output ................................... 3G-SDI/SMPTE 424M/425M (2.97/3.0 Gbps)  
Input Connector....................................................................................BNC female  
Output Connectors..................................................................Four (4) BNC female  
Power Supply.................................................................................................5V DC  
Power Consumption........................................................................10 Watts (max.)  
Power Connector.........................................................................................Locking  
Operating Temperature..............................................................................0 - 40 °C  
Dimensions........................................................................3.5’’ D x 7.5’’ W x 1.1’’ H  
Shipping Weight..............................................................................................2 lbs.  
11  
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WARRANTY  
Gefen warrants the equipment it manufactures to be free from defects in material  
and workmanship.  
If equipment fails because of such defects and Gefen is notied within two (2)  
years from the date of shipment, Gefen will, at its option, repair or replace the  
equipment, provided that the equipment has not been subjected to mechanical,  
electrical, or other abuse or modications. Equipment that fails under conditions  
other than those covered will be repaired at the current price of parts and labor in  
effect at the time of repair. Such repairs are warranted for ninety (90) days from  
the day of reshipment to the Buyer.  
This warranty is in lieu of all other warranties expressed or implied, including  
without limitation, any implied warranty or merchantability or tness for any  
particular purpose, all of which are expressly disclaimed.  
1. Proof of sale may be required in order to claim warranty.  
2. Customers outside the US are responsible for shipping charges to and from  
Gefen.  
3. Copper cables are limited to a 30 day warranty and cables must be in their  
original condition.  
The information in this manual has been carefully checked and is believed to  
be accurate. However, Gefen assumes no responsibility for any inaccuracies  
that may be contained in this manual. In no event will Gefen be liable for  
direct, indirect, special, incidental, or consequential damages resulting from  
any defect or omission in this manual, even if advised of the possibility of such  
damages. The technical information contained herein regarding the features and  
specications is subject to change without notice.  
For the latest warranty coverage information, please visit Gefen’s Warranty web  
PRODUCT REGISTRATION  
Please register your product online by visiting Gefen’s web site at  
12  
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Rev A6  
Pb  
This product uses UL listed power supplies.  
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