KanexPro HDMMX3232-4K User manual

HDMMX3232-4K Modular Matrix
Switcher
User Manual
All Rights Reserved
Version: HDMMX88-4K_2015V2.5

KanexPro HDMMX3232-4K Series Modular Matrix Switcher (with Audio)
Preface
Read this user manual carefully before using this product. Pictures shown in this
manual is for reference only, different model and specifications are subject to real
product.
This manual is only for operation instruction only, not for any maintenance usage. The
functions described in this version are updated until August 2015. Any changes of
functions and parameters since then will be informed separately. Please refer to the
dealers for the latest details.
Trademarks
Product model, and logo are trademarks. Any other trademarks mentioned in this
manual are acknowledged as the properties of the trademark owner. No part of this
publication may be copied or reproduced without prior written consent.
FCC Statement
This equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful interference
to radio communications. It has been tested and found to comply with the limits for a
Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed
to provide reasonable protection against harmful interference in a commercial
installation.
Operation of this equipment in a residential area is likely to cause interference, in which
case the user at their own expense will be required to take whatever measures may be
necessary to correct the interference.
Any changes or modifications not expressly approved by the manufacture would void
the user’s authority to operate the equipment.

KanexPro HDMMX3232-4K Series Modular Matrix Switcher (with Audio)
SAFETY PRECAUTIONS
To ensure the best from the product, please read all instructions carefully before using
the device. Save this manual for further reference.
Unpack the equipment carefully and save the original box and packing material for
possible future shipment
Follow basic safety precautions to reduce the risk of fire, electrical shock and injury
to persons.
Do not dismantle the housing or modify the module. It may result in electrical shock
or burn.
Using supplies or parts not meeting the products’ specifications may cause
damage, deterioration or malfunction.
Refer all servicing to qualified service personnel.
To prevent fire or shock hazard, do not expose the unit to rain, moisture or install
this product near water.
Do not put any heavy items on the extension cable in case of extrusion.
Do not remove the housing of the device as opening or removing housing may
expose you to dangerous voltage or other hazards.
Install the device in a place with fine ventilation to avoid damage caused by
overheat.
Keep the module away from liquids.
Spillage into the housing may result in fire, electrical shock, or equipment damage.
If an object or liquid falls or spills on to the housing, unplug the module immediately.
Do not twist or pull by force ends of the optical cable. It can cause malfunction.
Do not use liquid or aerosol cleaners to clean this unit. Always unplug the power to
the device before cleaning.
Unplug the power cord when left unused for a long period of time.
Information on disposal for scrapped devices: do not burn or mix with general
household waste, please treat them as normal electrical wastes.

KanexPro HDMMX3232-4K Series Modular Matrix Switcher (with Audio)
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Contents
1. Introduction.................................................................................................................3
1.1. About The HDMMX3232-4K (with Audio)..........................................................3
1.2. Features ...........................................................................................................3
1.2.1. Modular Matrix Switcher signal card (changeable cards) .......................4
1.4 Package List......................................................................................................4
2. Panel Description........................................................................................................5
2.1. Modular Matrix Switcher 32x32 (with Audio).....................................................5
2.1.1. Front Panel.............................................................................................5
2.1.2. Rear Panel..............................................................................................6
2.2. Changeable Cards............................................................................................6
2.2.1. MOD-IN-DVI & MOD-OUT-DVI...............................................................6
2.2.2. MOD-IN-DVI & MOD-OUT-DVI...............................................................8
2.2.3. MOD-IN-VGA........................................................................................10
2.2.4. MOD-IN-SDI & MOD-OUT-SDI.............................................................10
2.2.5. MOD-IN-CAT6-4K & MOD-OUT-CAT6-4K............................................11
2.2.6. MOD-IN-HDTV-4K & MOD-OUT-HDTV-4K...........................................12
2.2.7. MOD-IN-FIBER & MOD-OUT-FIBER....................................................13
2.2.8. AU88 Stereo Audio (MMX88A Only).....................................................14
3. System Connection...................................................................................................15
3.1. Usage Precautions .........................................................................................15
3.2. Connection Diagram.......................................................................................15
3.3. Application ......................................................................................................15
4. Control Operations....................................................................................................16
4.1. Front Panel Button control..............................................................................16
4.2. RS232 Control................................................................................................17
4.2.1. Connection of RS232 Communication Port..........................................17
4.2.2. RS232 Communication Commands .....................................................17
4.3. TCP/IP Control (Optional)...............................................................................26
4.3.1. Control Modes......................................................................................26
4.3.2. Control Modular Matrix Switcher 32x32 (withAudio) via TCP/IP
communication software.................................................................................27

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4.3.3. TCP/IP Configuration............................................................................28
5. Specification .............................................................................................................30
5.1. Main Unit ........................................................................................................30
5.2. Changeable Cards..........................................................................................30
5.2.1. MOD-IN-DVI & MOD-OUT-DVI.............................................................30
5.2.2. MOD-IN-SDI & MOD-OUT-SDI.............................................................31
5.2.3. MOD-IN-HDTV-4K & MOD-OUT-HDTV-4K...........................................31
5.2.4. MOD-IN-VGA & MOD-OUT-VGA..........................................................32
5.2.5. MOD-IN-VGA........................................................................................33
5.2.6. MOD-IN-SDI & MOD-OUT-SDI.............................................................33
5.2.7. MOD-IN-CAT6-4K & MOD-OUT-CAT6-4K............................................34
5.2.8. MOD-IN-HDTV-4K & MOD-OUT-HDTV-4K...........................................34
5.2.9. MOD-IN-FIBER & MOD-OUT-FIBER....................................................35
5.2.10. MOD-IN-CAT6-4K & MOD-OUT-CAT6-4K..........................................35
5.2.11. AU88 (Modular Matrix Switcher 32x32 (withAudio) Only)...................36
6. Troubleshooting & Maintenance ...............................................................................38
7. After-sales Service....................................................................................................40

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1. Introduction
1.1. About The HDMMX3232-4K (with Audio)
The KanexPro HDMMX88A-4K is an 32 input by 32 output modular matrix switcher
chassis with four input slots and four output slots; each modular input or output card
supports up to four device connections. As an add-on to front panel control, the
HDMMX3232A-4K can be controlled via IR, RS232, or TCP/IP connections.
The optional modular input cards include the following connections: HDMI, DVI, VGA,
HDBaseT (with RS232 and bi-directional wide-band IR), Fiber Optic and analog video
with digital scaling via HD15 (VGA-UXGA, RGBHV, RGBS, RGsB, RsGsBs,
component video, S-video and composite video). The modular output cards include the
following connections: HDMI, SDI, DVI, VGA, HDBaseT and Fiber Optic. Stereo audio
embedding is supported on the HDMI input cards to allow analog audio to be inserted
into the digital signal. Stereo audio can also be de-embedded using the HDMI or
HDBaseT output cards. Advanced EDID management restricts sources to output only
stereo audio, while emulating the native video data from the attached displays. This
system allows analog audio to be switched with the paired digital video, eliminating the
requirement for an additional audio matrix switcher.
1.2. Features
▪Customizable 32x32 modular switch serving various AV connections
▪4K UHD resolution via HDMI & HDBaseT
▪Supported connections: VGA, SDI, DVI, HDMI, HDBaseT & Fiber optic
▪High-bandwidth up to 10.2 Gbps
▪Add I/O modular cards based on expandability
▪Cross-point ultra-switching
▪Advanced HDCP & EDID management
▪Hot swappable design
▪Clear illuminated buttons
▪Control via IR, Ethernet & RS-232
▪10 global presets
▪Front panel LCD for switching & status
▪Front panel security lock

KanexPro HDMMX3232-4K Series Modular Matrix Switcher (with Audio)
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▪2U rack-mountable aluminum enclosure
▪Dual-Internal power supply (100Volt~240Volt AC, 50/60Hz)
1.2.1. Modular Matrix Switcher signal card (changeable cards)
Modular Matrix Switcher 32x32 (with Audio) supports multiple signal cards as listed in
the following charts:
Input Cards
Spec
Models
Inputs
Signal Format
MOD-IN-HDTV-4K
4
HDMI& analog audio
MOD-IN-DVI
4
DVI
MOD-IN-VGA
4
VGA& analog audio
MOD-IN-SDI
4 inputs&
LOOP
SDI
MOD-IN-FIBER
4
Optical Fiber
MOD-IN-CAT6-4K
4
HDBT, RS232, Audio
Output Cards
Spec
Models
Outputs
Signal Format
MOD-OUT-HDTV-
4K
4
HDMI& analog
audio
MOD-OUT-DVI
4
DVI
MOD-OUT-VGA
4 VGA& Stereo
audio
VGA, analog audio
MOD-OUT-SDI
4 outputs&
LOOP
SDI
MOD-OUT-FIBER
4
Optical Fiber
MOD-OUT-CAT6-
4K
4
HDBT, RS232,
Audio
1.4 Package List
1 x Modular Matrix Switcher 32x32 (with
Audio)
1 x Power Cord
4 x Plastic cushions
1 x RS232 cable
1 x User manual
Notes: Confirm all the accessories are included, if not, please contact with the dealers.

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2. Panel Description
2.1. Modular Matrix Switcher 32x32 (with Audio)
2.1.1. Front Panel
Figure 2- 1 Front Panel of Modular Matrix Switcher 32x32 (with Audio)
No.
Name
Description
①
IR
IR sensor
②
Power
indicator
Illuminate red once powered on
③
LCD
screen
Display real-time operation status
④
INPUTS
Back-lit buttons for input selection, ranges from 1~ 9, correspond
to 1~16 sources on input signal cards (counting from left to right,
top to bottom)
⑤
OUTPUTS
Back-lit buttons for output selection, ranges from 1~ 9, correspond
to 1~16 displays on output signal cards (counting from left to right,
top to bottom)
⑥
MENU
AV: Transfer AV signal from AV signal card& audio signal from
audio card synchronously
VIDEO: Transfer AV signal from AV signal card only
AUDIO: Transfer audio signal from audio card only
ALL: Select all input/output channel
THROUGH: To transfer the signals directly to the corresponding
output channels.
UNDO: Undo button, to resume to the status before the command
just performed.
: Backspace button, to backspace the last press.

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2.1.2. Rear Panel
Figure 2- 2 Rear Panel of Modular Matrix Switcher 32x32 (with Audio)
No.
Name
Description
①
INPUTS
Audio input slot
②
OUTPUTS
Audio output slot
③
INPUTS
Input signal card slots, 2 in total, insert necessary input cards here
④
OUTPUTS
Output signal card slots, 2 in total, insert necessary output cards
here
⑤
Power port
Connect with household alternating current power
⑥
RS232
Serial control port; connect with RS232 port of control device.
⑦
GND
connector
Used for system grounding
⑧
TCP/IP
(Optional) Used for TCP/IP control port
2.2. Changeable Cards
Modular Matrix Switcher 32x32 (with Audio) support expansion through various
changeable input/ output cards of different signals including DVI, HDMI, VGA, and
twisted pair, SDI etc. Here is a brief introduction to the changeable cards.
2.2.1. MOD-IN-DVI & MOD-OUT-DVI
DVI signal card. (Please check the specification from 5.2.1)
It is fully compatible with HDMI1.3 and HDCP, but not supporting analogy signal.
It is embedded EDID management technology, supporting DDC.
MOD-IN-DVI: input card, maximum four input signal. Input signal can pass to output

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device through 4O-DV or other kinds of output cards.
MOD-OUT-DVI: output card, maximum four output signal, output signals from 4I-DV, or
other kinds of input cards.
Pin Layout of the DVI-I connector (Dual-Link). (Female)
Pin
Function
Pin
Function
1
T.M.D.S.Data2-
13
T.M.D.S.Data3+
2
T.M.D.S.Data2+
14
+5V Power
3
T.M.D.S. Data
2/4 Shield
15
Ground (return for
+5V,
Hsync and Vsync)
4
T.M.D.S. Data
4-
16
Hot Plug Detect
5
T.M.D.S. Data
4+
17
T.M.D.S. Data 0-
6
DDC Clock
18
T.M.D.S. Data 0+
7
DDC Data
19
T.M.D.S. Data 0/5
Shield
8
Analog Vertical
Sync
20
T.M.D.S.Data5-
9
T.M.D.S.Data1-
21
T.M.D.S.Data5+
10
T.M.D.S.Data1+
22
T.M.D.S. Clock
Shield
11
T.M.D.S.Data1/3
Shield
23
T.M.D. S. Clock +
12
T.M.D.S.Data3-
13
T.M.D.S.Data3+
C1
RED
C2
Analog Green
C3
Analog Blue
C4
Horizontal Sync
Analog
C5
GND
Note: Pin C1~C5 are not used in 4I-DV & 4O-DV.

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2.2.2. MOD-IN-DVI & MOD-OUT-DVI
Seamless DVI signal card. (Please check the specification from 5.2.2)
It is fully compatible with HDMI1.3& HDCP, and supports seamless transmission for
high-definition DVI, HDMI, VGA, AV, YPbPr signals. Signal format can be modified via
RS232 commands.
It boasts embedded EDID management (only for HDMI/ DVI signal), supporting DDC.
4I-DS: seamless input card, maximum four input signal. It can automatically identify the
format of input signal. Input signal can pass to output device through 4O-DS, or other
kinds of output cards.
4O-DS: seamless output card, maximum four output signal.Automatically recognize
output signal (HDMI/ DVI), and output resolution is adjustable. Output signal can come
from 4I-DS, or from other kinds of input cards. It supports off memory for resolution,
signal format, HDCP compliant status.
Note:
1. When 4O-DS works with input cards except 4I-DS, to ensure reliable seamless
output, adjust the input signals to any one of the following 5 resolutions: 1024x768,
1280x720, 1600x1200, 1920x1080, 1920x1200.
2. Before using 4O-DS, upgrade the front-board and backboard of MMX88A. Seek
technical assistant from our technical supporters.
3. DVI interfaces on the signal card are same with the interfaces on 4I-DV& 4O-DV.
Pin C1~C5 are used in 4I-DS & 4O-DS.
When connecting to VGA, YPbPr or C-VIDEO signal, insert converting cables
according to specific pin definitions (see the figures below):
DVI- C-VIDEO:
Pin
Signal
C1
Yellow
C5
GND
Other pins are unused.

KanexPro HDMMX3232-4K Series Modular Matrix Switcher (with Audio)
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DVI- YPbPr:
Pin
Signal
Pin
Signal
C1
RED
C2
GREEN
C3
BLUE
C5
GND
Other pins are unused.
DVI- VGA (female):
Pin
Signal
Pin
Signal
C1
RED
C2
GND
C3
GREEN
C4
Horizontal Sync
Analog
8
Vertical Sync Analog
Other pins are unused.
.
MOD-OUT-VGA output card, maximum four VGA output signal and 4 stereo audio
outputs, output video signal from 4I-VG, or other kinds of input cards, and output audio
signal from the audio of the input signal.
Pin
Signal
Pin
Signal
1
RED
9
KEY/PWR
2
GREEN
10
GND
3
BLUE
11
ID0/RES
4
ID2/RES
12
ID1/SDA
5
GND
13
HSync
6
RED_RTN
14
VSync
7
GREEN_RTN
15
ID3/SCL
8
BLUE_RTN

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When connecting to YPbPr or C-VIDEO signal, insert converting cables according to
specific pin definitions (see the figures below):
VGA- YPbPr:
Pin
Signal
Pin
Signal
1
RED
6
GND
2
GREEN
7
GND
3
BLUE
8
GND
Other pins are not used.
VGA- C-VIDEO:
Pin
Signal
Pin
Signal
1
RED
6
GND
7
GND
8
GND
Other pins are not used.
2.2.3. MOD-IN-VGA
VGA signal card. (Please check the specification from 5.2.6)
Scale all inputs to 1080p or 1920x1200;
Input signal can be VGA (RGBHV), YPbPr, S-video, C-video or CVBS;
4 stereo audio inputs.
MOD-IN-VGA: input card, maximum four VGA inputs and four stereo audio inputs. Input
signal can pass to output device through any kinds of output cards.
The VGA connector and source connection are same with the 4I-VG.
2.2.4. MOD-IN-SDI & MOD-OUT-SDI
SDI signal card. (Please check the specification from 5.2.7)

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It is compatible with different SDI signal formats, including SD/HD/3G-SDI (adaptive)
Every port has loop output for local monitoring.
MOD-IN-SDI: input card, maximum four input signal. Input signal can pass to output
device through MOD-OUT-SDI, or other kinds of output cards.
MOD-OUT-SDI: output card, maximum four-output signal, output signals from MOD-IN-
SDI, or other kinds of input cards.
The BNC connector is shown as the figure below.
Sleeve ( )
Tip (+)
BNC Connector
2.2.5. MOD-IN-CAT6-4K & MOD-OUT-CAT6-4K
4K Twisted pair card (Please check the specification from 5.2.12)
Support HDTV, compatible with HDBT 1.0, HDMI1.4a& HDCP1.4; Wide resolution
range from 480p~ 4kx2k, 1080p 3D compliant; Extend HDBT signal up to 70m at 1080p
or 40m at 4k; Bi-directional RS232 transmission on single cable; Audio source
selectable via corresponding command;Auxiliary audio ports support stereo signal.
It also boasts embedded EDID management.
MOD-IN-CAT6-4K: input card, maximum input four HDBT signal. Input signal can pass
to output device through MOD-OUT-CAT6-4K, or other kinds of output cards, need to
work with HDBT transmitters.
Note: When matching with output cards that do not support 4kx2k, adjust the input

KanexPro HDMMX3232-4K Series Modular Matrix Switcher (with Audio)
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resolution to 1080p to enable reliable output.
MOD-OUT-CAT6-4K: output card, maximum output four HDBT signal, output signals
from MOD-IN-CAT6-4K, or other kinds of input cards, need to work with HDBT
receivers.
How the indicators work:
Color
Definition
Status
Yellow
Power Indicator
Blink once powered on;
Turn off when there is no power.
Green
Link Indicator
Light when the port is connected with
CAT5e/6;
Turn off when there is no connection.
Pin layout of the HDBT connector:
Pin
Color
1
orange white
2
orange
3
green white
4
blue
5
blue white
6
green
7
brown white
8
brown
1st Group
4--5
2nd Group
1--2
3rd Group
3--6
4th Group
7--8
Notice: Cable connectors MUST be metal one, and the shielded layer of cable MUST
be connected to the connector’s metal shell, to well share the grounding.
2.2.6. MOD-IN-HDTV-4K & MOD-OUT-HDTV-4K
4K HDMI signal card. (Please check the specification from 5.2.10)
Support HDMI 1.4a& HDCP 1.4 compliance; Compatible with DVI signal; Support high-
definition HDMI source up to 4kx2k, 1080p 3D compliance;
Provide auxiliary audio port as supplement to HDMI embedded audio, audio source
selectable via command “AUDIO [X] I[Z].”, [X] stands for output port, [Z] stands for

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audio source (0 is for HDMI embedded audio, 1 is for analog audio)
It also boasts embedded EDID management.
MOD-IN-HDTV-4K: input card, maximum four input signal. Input signal can pass to
output device through MOD-OUT-HDTV-4K, or other kinds of output cards.
Note: When matching with output cards that do not support 4kx2k, adjust the input
resolution to 1080p to enable reliable output.
MOD-OUT-HDTV-4K: output card, maximum four output signal, output signals from
MOD-IN-HDTV-4K, or other kinds of input cards, HDCP compliant status settable via
RS232 command
The HDMI connector is same with 4I-HD& 4O-HD’s.
2.2.7. MOD-IN-FIBER & MOD-OUT-FIBER
4K optical signal card. (Please check the specification from 5.2.11)
Work with single-mode/ multi-mode module to realize long-distance optical fiber
transmission, support multi-mode transmission up to 300m and single mode
transmission up to 1km.
High bandwidth: 10.2Gbps; Compliant with HDMI 1.4, capable to transmit 4K×2K&
1080P 3D (max) signals;
MOD-IN-FIBER: input card with indicators, maximum four input signal, and
corresponding indicator illuminates green when there is input signal. Input signal can
pass to output device through MOD-OUT-FIBER, or pass through other kinds of output
cards.
MOD-OUT-FIBER: output card with indicators, maximum four output signal, output
signals from MOD-IN-FIBER, or other kinds of input cards; corresponding indicator
illuminates green when there is output signal.

KanexPro HDMMX3232-4K Series Modular Matrix Switcher (with Audio)
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Note:
1. Use the MOD-IN-FIBER/ MOD-OUT-FIBER with optical fiber transmitter/ receiver.
2. Multi-mode transmission may include the following cases:
Single-mode optical fiber module& Multi-mode optical fiber cable
Multi-mode optical fiber module& Multi-mode optical fiber cable
3. Before using MOD-IN-FIBER & MOD-OUT-FIBER, upgrade the front-board and
backboard of MMX88A. Seek technical assistant from our technical supporters.
2.2.8. AU88 Stereo Audio (MMX88A Only)
32x32 stereo audio cross point switching card. (Please check the specification from
5.2.13)
It supports the balanced/unbalanced audio, by different connection.
It is not a hot plug card, fixed on the chassis.
Balanced Audio Connection:
Unbalanced Audio Connection:

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3. System Connection
3.1. Usage Precautions
1) System should be installed in a clean environment and has a prop temperature and
humidity.
2) All of the power switches, plugs, sockets and power cords should be insulated and
safe.
3) All devices should be connected before power on.
3.2. Connection Diagram
Figure 3- 1 System Diagram
Note: All the input/output signal cards don’t support hot-plug while input& output ports
on the cards support hot-plug.
3.3. Application
Modular Matrix Switcher series has a good application in various occasions, such as
radio & television, multi-media meeting room, big screen displaying, television
education and command & control center etc.

KanexPro HDMMX3232-4K Series Modular Matrix Switcher (with Audio)
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4. Control Operations
4.1. Front Panel Button control
Users can control Modular Matrix Switcher 32x32 (with Audio) rapidly and directly with
its front panel buttons. Here is a brief operation guide to front panel buttons.
Format: “Input Channel” + “Switch Mode” +“Output Channel”
Note:
1) “Switch Mode”:
AV: Transfer AV signal from AV signal card& audio signal from audio card
synchronously
Video: Transfer AV signal from AV signal card
Audio: Transfer audio signal from audio card
2) “Input Channel”: Fill with the number of input channel to be controlled,
3) “Output Channel”: Fill with the number of output channels to be controlled. Press
“All”to select all the outputs.
4) The input/output channels on the rear panel are counting from left to right, top to
bottom.
5) The input delay time between two numbers of every input& output channel must be
less than 5 seconds; otherwise the operation will be cancelled.
Example:
1. To transfer input 1 to output 1, press input “1”, output “1”.
2. To transfer signals from input 1 to all output channels, press buttons in this order:
“1”, “All”.
Functional Buttons:
UNDO button: return to the previous status
Example: Input 6 is connecting with output 6, press input “6”+ “AV”+ output 4 to change
the connection. Press “Undo”to enable input 6 to reconnect with output 6.
Button: If you press buttons “1”, “AV”, “2”, “”in order, then “2”will be canceled.
THROUGH button: get straight I/O connection, e.g. input 1-> output 1, input 2-> output
2.
Press “Input Channel “+”Through”
Example: If you press buttons “ALL”, “THROUGH”in order, then the result will be like
input 1output 1, input 2output 2, input 3output 3 …input 8output 8.

KanexPro HDMMX3232-4K Series Modular Matrix Switcher (with Audio)
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4.2. RS232 Control
4.2.1. Connection of RS232 Communication Port
Except the front control panel and IR remote, Modular Matrix Switcher 32x32 (with
Audio) can be controlled by far-end control system or through the Ethernet control via
the RS-232 communication port.
This RS-232 communication port is a female 9- D connector. The definition of its pin
layout is shown in the table below.
When Modular Matrix Switcher 32x32 (with Audio) connects to the RS232 port of a
computer with control software, users can control it by that computer. To control the
switcher, users need to use RS232 control software.
4.2.2. RS232 Communication Commands
With this command system, users are able to control and operate the Modular Matrix
Switcher 32x32 (with Audio) with RS232 software remotely.
Note:
1. Please disconnect all the twisted pairs before sending command
EDIDUpgrade[X].
2. In the commands, “[”and “]” are symbols for easy reading and do not need to be
typed in actual operation.
3. Please remember to end the commands with the ending symbols “.” or “;”.
4. Type the command carefully, it is case-sensitive.
5. Commands pertaining to EDID only available for signal cards that support EDID
management.
6. Modular Matrix Switcher 32x32 (with Audio) boasts 6 in-built EDID data; the
chart below illustrates the detailed information:
No.
Pin
Function
1
N/u
Unused
2
Tx
Transmit
3
Rx
Receive
4
N/u
Unused
5
Gnd
Ground
6
N/u
Unused
7
N/u
Unused
8
N/u
Unused
9
N/u
Unused