Gefen 4x4 HDMI User manual
4x4 HDMI
Matrix
USER MANUAL
www.gefen.com
Technical Support:
Telephone (818) 772-9100
(800) 545-6900
Fax (818) 772-9120
Technical Support Hours:
8:00 AM to 5:00 PM Monday through Friday.
Write To:
Gefen Inc.
C/O Customer Service
20600 Nordhoff St.
Chatsworth, CA 91311
www.gefen.com
Notice
Gefen Inc. reserves the right to make changes in the hardware, packaging and any
accompanying documentation without prior written notice.
The 4x4 HDMI Matrix is a trademark of Gefen Inc.
© 2007 Gefen Inc., All Rights Reserved
ASKING FOR ASSISTANCE
TABLE OF CONTENTS
Introduction / Operation Notes
Features
Panel Layout
Using the 4x4 HDMI Matrix
RMT16-IR Installation
Dip Switch Guidelines
IR Codes
RS-232 Interface
4x4 HDMI Matrix Rack Mount Diagram
Specifications
Terminology
Warranty
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INTRODUCTION
Thank you for purchasing the 4x4 HDMI Matrix.
The 4x4 HDMI Matrix switches four HDTV sources to any four HDMI displays.
The 4x4 HDMI Matrix switcher has four HDMI inputs and four HDMI outputs. Matrix input
#1 and the HDMI port of HDTV source #1 connects using a male to male HDMI cable. The
HDMI port of HDTV source #2 connects to HDMI input #2. The HDMI port of HDTV source
#3 connects to HDMI input #3. The HDMI port of HDTV source #4 connects to HDMI input
#4. There are four (4) HDMI outputs connecting to four (4) different displays.
Note: The switching is done by using either the RMT-16-IR remote control or through the
RS232 port. The 4x4 HDMI Matrix is rack mountable. Any HDTV with DVI inputs can be
connected to the HDMI outputs of the matrix by using a DVI to HDMI adapter if the cable
used is DVI.
1
OPERATION NOTES
READ THESE NOTES BEFORE INSTALLING
OR OPERATING THE 4X4 HDMI MATRIX
• You should connect all the cables and power supply prior to connecting power to the
HDTV sources and 4x4 HDMI Matrix.
• When powering the sources, the display needs to point to the source input.
• The 4x4 HDMI Matrix is housed in a metal box for better RF shielding.
• The 4x4 HDMI Matrix works with all DVI and HDMI displays.
• The 4x4 HDMI Matrix supports both AUDIO and VIDEO signals.
• The 4x4 HDMI Matrix is fully HDCP compliant.
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FEATURES
Features
• Allows any HDMI display to view any source at any time
• Allows any source to be displayed on multiple displays at the same time
• Maintains resolutions up to 1080p, 2K, and 1920x1200
• Maintains highest HDMI single link video resolution
• Maintains highest HDMI digital audio signal
• Supports HDCP compliant devices
• HDMI or DVI to HDMI cables are used to connect the inputs and the matrix output
• Each display's inputs can be switched with the IR remote control or through RS232
Includes:
(1) 4x4 HDMI Matrix
(4) HDMI 6 Cables (M-M)
(1) 24VDC Power Supply
(1) User Manual
(1) RMT-16IR Remote Control
(1) Rack Ears
PANEL LAYOUT
3
Display 1 LED
Indicator
Front Panel
RS232 Controller Port
Display 2 LED
Indicator Display 3 LED
Indicator Display 4 LED
Indicator
IR Sensor
IR Extender Eye Port Power Indicator
Back Panel
Connects to 24VDC
Power Supply
HDMI Inputs HDMI Outputs
Connect all the sources to the HDMI inputs on the 4x4 HDMI Matrix, using the
supplied cables.
Connect the HDMI/DVI displays to the outputs on the 4x4 HDMI Matrix.
Connect the 24VDC power supply to the 4x4 HDMI Matrix
Controlling the 4x4 HDMI Matrix using the RMT16-IR:
Pressing Buttons... Switches...
1-4 Display 1 to view Source 1, 2, 3, or 4
5-8 Display 2 to view Source 1, 2, 3, or 4
9-12 Display 3 to view Source 1, 2, 3, or 4
13-16 Display 4 to view Source 1, 2, 3, or 4
*Note for computers connected to the HDMI Matrix - When your computer
boots up, it looks for an EDID (extended display identification data) from the dis-
play to tell it what monitor is connected and what resolution to output. During boot
up of the computer you should have ONLY one output selected to one input at a
time so that the computer gets the EDID of the display that is selected. If you have
multiple outputs selected to one computer, the computer will read the EDID of the
last output selected to it. If all your displays are the same, or all displays are ca-
pable of running at the same resolution then this step does not matter.
USING THE 4X4 HDMI MATRIX
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4
4
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RMT16-IR INSTALLATION
1. Remove battery cover from the back of the RMT16-IR remote.
2. Verify that dip switches 1 & 2 are in the down (OFF) position.
3. Insert the battery, hold the battery so that you can see the positive side facing up. The
side that is not marked must be facing down.
4. Test the RMT16-IR remote by pressing ONLY one button at a time. The indicator light
on the remote will flash once each time you press a button. WARNING: Do not press
multiple buttons simultaneously and do NOT press buttons rapidly. These actions will
cause the remote to reset and steps 1-4 will have to be repeated.
Note: The RMT16-IR ships with two batteries. One battery is required for operation, the
second battery is complimentary.
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DIP SWITCH GUIDELINES
Inside the 4x4 HDMI Matrix is a bank of Dip Switches. Below is a table describing their
functions. By default, all switches are set to the Off position.
Dip Switch # Name Description
1 Switching Delay Adds a 3 second delay to switching
2 On Board EDID Feeds a Generic HDMI EDID (720p/1080i)
to all Inputs
3 IR Code Dip Switch Corresponds to Dip Switch 1 on RMT16-IR
4 IR Code Dip Switch Corresponds to Dip Switch 2 on RMT16-IR
5 Unused
6 Unused
7 Unused
8 Edge Select +Edge Pixels
How to open the 4x4 HDMI Matrix:
To access the dip switches, first remove the 10 hex nuts on the back of the unit (8 lo-
cated above each HDMI port and 2 adjacent to the RS232 port). Remove the 5 Philips
screws under the unit and the 4 screws on each side of the unit. Now carefully remove
the cover of the 4x4 HDMI Matrix.
12345678
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IR CODES
In the event of IR conflicts, please do the following:
1. Remove the battery cover from the back of the RMT16-IR remote.
2. Locate the Dip Switches above the batteries
3. Switch the Dip Switches on the RMT16-IR to any of the combinations pictured below.
4. Dip Switches 1 and 2 in the RMT16-IR correspond with Dip Switches 3 and 4 inside
the 4x4 HDMI Matrix respectively. Switch the switches inside the 4x4 HDMI Matrix to
match the same Remote Channel as the RMT16-IR. The 4x4 Matrix is now set to a new
IR Code.
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Remote Channel 0:
12
Remote Channel 1:
12
Remote Channel 2:
12
Remote Channel 3:
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