Comm-Tec MTX88M-N User manual

MTX88M-N
Modular Matrix Switcher 8x8
All Rights Reserved
v.2019.1
User Manual

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Preface
Read this user manual carefully before using the product. Pictures are shown in this
manual for reference only. Different models and specifications are subject to real product.
This manual is only for operation instruction, please contact the local distributor for
maintenance assistance. The functions described in this version were updated till July,
2018. In the constant effort to improve the product, we reserve the right to make functions
or parameters changes without notice or obligation. Please refer to the dealers for the
latest details.
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.
Manufacture
This product is manufactured by:
SHENZHEN PTN Electronics Limited
Add: B6, JinXiongDa Technology Park, HuanGuan Road South 105th
GuanLan Block, LongHua New District
ShenZhen City, 518110, China
Tel: [phone]
Fax: [phone]
Service: [email protected]
Sales:[email protected]
Website:www.ptn-electronics.com

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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.

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Contents
1. Product Introduction 1
1.1. Features 1
1.2. Signal Card 2
1.3. Package List 3
2. Panel Description 4
2.1. Matrix Front Panel 4
2.2. Matrix Rear Panel 5
2.3. Signal Card 6
2.3.1. 4I-VA 6
2.3.2. 4O-VG 7
2.3.3. 4O-VS 8
2.3.4. 4I-VH & 4O-VH 8
2.3.5. 4I-HS & 4O-HS 10
2.3.6. 4I-UH & 4O-UH 11
2.3.7. 4I-SS & 4O-SS 12
2.3.8. 4I-SH & 4O-SH 13
2.3.9. 4I-AV & 4O-AV 14
2.3.10. 4I-DS & 4O-DS 14
2.3.11. 4I-BT & 4O-BT 17
2.3.12. 4I-BTS & 4O-BTS 19
2.3.13. 4I-UFS & 4O-UFS 20
3. System Connection 22
3.1. Usage Precautions 22
3.2. Connection Diagram 22
4. Button Control 23
5. IR Remote Control 24
6. RS232 Control 25
6.1. RS232 Communication Port 25
6.2. RS232 Control Software 25
6.3. RS232 Communication Command 27
6.3.1. System Control Command 28
6.3.2. Signal Switching Command 28
6.3.3. Preset Command 29
6.3.4. EDID Management Command 29

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6.3.5. 4I-VA Input Card Command 30
6.3.6. 4O-VS Output Card Command 31
6.3.7. 4I-VH Input Card Command 33
6.3.8. 4O-VH Output Card Command 35
6.3.9. 4I-HS Input Card Command 37
6.3.10. 4O-HS Output Card Command 38
6.3.11. 4I-UH Input Card Command 39
6.3.12. 4I-SH Input Card Command 39
6.3.13. 4O-SH Output Card Command 40
6.3.14. 4I-AV Input Card Command 43
6.3.15. 4O-AV Output Card Command 44
6.3.16. 4I-DS Input Card Command 44
6.3.17. 4O-DS Output Card Command 45
6.3.18. 4I-SS Input Card Command 48
6.3.19. 4O-SS Output Card Command 49
6.3.20. 4I-BT Input Card Command 49
6.3.21. 4I-BTS Input Card Command 49
6.3.22. 4O-BTS Output Card Command 51
6.3.23. 4I-UFS Input Card Command 53
6.3.24. 4O-UFS Output Card Command 54
7. TCP/IP Control 57
7.1. Control Mode 57
7.2. TCP/IP Communication Software 59
7.3. Port Management 60
8. Specification 61
8.1. Main Unit 61
8.2. Signal Card 61
8.2.1. 4I-VA 61
8.2.2. 4O-VG 62
8.2.3. 4O-VS 62
8.2.4. 4I-VH & 4O-VH 63
8.2.5. 4I-HS & 4O-HS 63
8.2.6. 4I-UH & 4O-UH 64
8.2.7. 4I-SS & 4O-SS 65
8.2.8. 4I-SH & 4O-SH 65

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8.2.9. 4I-AV & 4O-AV 66
8.2.10. 4I-DS & 4O-DS 67
8.2.11. 4I-BT & 4O-BT 67
8.2.12. 4I-BTS & 4O-BTS 68
8.2.13. 4I-UFS & 4O-UFS 69
9. Troubleshooting & Maintenance 70
10. Customer Service 72

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1. Product Introduction
The MTX88M-N is a high-performance 8x8 video and audio modular matrix switcher. It
supports different video signals with cross switching. Every AV signal is transmitted and
switched independently to decrease signal attenuation. MTX88M-N supports various
changeable cards including HMDI, DVI, VGA, SDI and HDBaseT etc. Users can choose to
insert different signal card for different application.
The MTX88M-N has 1 RS232 port and 1 TCP/IP port for convenient control from third-
party. With its flexible design, MTX88M-N can be used for different project and tend to be
an all-in-one solution. It is the combo solution for multimedia conference rooms, control
rooms, broadcasting rooms, shopping center etc. It will handle all the audiovisual
management, including the switching, driving, scaling etc.
1.1. Features
●Modular chassis with configurable I/O slots, ranging from 4x4 to 8x8.
●Various I/O cards, includes HDMI, HDBaseT, SD/HD/3G-SDI, DVI and VGA cards
(Compatible with YUV, YC & CVBS.) to configure any matrix.
●Truly cross-point switching, any input to any output, regardless signal format.
●Supports HDMI1.4a, 3D.
●Integrated HDBaseT technology.
●Controllable via button, RS232 & optional TCP/IP, also compatible with 3rd parties
control.
●HDCP compliant.
●LCD display.

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1.2. Signal Card
The matrix supports multiple signal cards as listed in the following charts:
Signal
Model
Description
VGA
4I-VA
1080P seamless VGA input card with 4 VGA and 4
external L+R audio ports.
4O-VG
1080P VGA output card with 4 VGA and 4 external
stereo audio ports.
4O-VS
1080P seamless VGA output card with 4 VGA and 4
external L+R audio ports.
VGA+HDMI
4I-VH
1080P seamless VGA+HDMI input card with 2 VGA, 2
HDMI and 4 external L+R audio ports.
4O-VH
1080P seamless VGA+HDMI output card with 2 VGA, 2
HDMI and 4 external L+R audio ports.
HDMI
4I-HS
1080P seamless HDMI input card with 4 HDMI and 4
external L+R audio ports.
4O-HS
1080P seamless HDMI output card with 4 HDMI and 4
external L+R audio ports.
4I-UH
4K HDMI input card with 4 HDMI, and 4 external L+R
audio ports.
4O-UH
4K HDMI output card with 4 HDMI and 4 external L+R
audio ports.
SDI
4I-SS
1080P seamless SDI input card with 4 SDI input and 4
loop output ports.
4O-SS
1080P seamless SDI output card with 4 SDI output and
4 loop output ports.
SDI+HDMI
4I-SH
1080P seamless SDI+HDMI input card with 2 SDI, 2
SDI LOOP, 2 HDMI and 2 external L+R audio ports.
4O-SH
1080P seamless HDMI+SDI output card with 2 SDI, 2
SDI LOOP, 2 HDMI and 2 external L+R audio ports.
CVBS
4I-AV
1080P seamless CVBS input card with 4 CVBS and 4
external L+R audio ports.
4O-AV
1080P seamless CVBS output card with 4 CVBS and 4
external L+R audio ports.
DVI
4I-DS
1080P seamless DVI input card with 4 DVI ports.
4O-DS
1080P seamless DVI output card with 4 DVI ports.
HDBaseT
4I-BT
4K HDBaseT input card with 4 HDBT, 4 RS232 and 4
external stereo audio ports.
4O-BT
4K HDBaseT output card with 4 HDBT, 4 RS232 and 4
external stereo audio ports.
4I-BTS
1080P seamless HDBaseT input card with 4 HDBT, 4
RS232 and 4 external stereo audio ports.
4O-BTS
1080P seamless HDBaseT output card with 4 HDBT, 4
RS232 and 4 external stereo audio ports.
OPTICAL
4I-UFS
1080P seamless OPTICAL input card with 4 OPTICAL
ports.

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4O-UFS
1080P seamless OPTICAL output card with 4
OPTICAL ports.
1.3. Package List
●1x Modular Matrix Switcher 8x8
●1x IR Remote
●1x RS232 Cable
●4x Plastic Cushions
●1x Power Cord
●1 x User Manual
Note: Please contact your distributor immediately if any damage or defect in the
components is found.

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2. Panel Description
2.1. Matrix Front Panel
No.
Name
Description
①
IR
Built-in IR sensor to receive IR signal sent from IR remote.
②
Power LED
The LED illuminates red when power is applied.
③
LCD Screen
Shows real-time operation status.
④
INPUTS
Back-lit buttons for input selection, ranges from 1~ 8,
correspond to 1~8 sources on input signal cards (counting
from left to right, top to bottom).
⑤
OUTPUTS
Back-lit buttons for output selection, ranges from 1~ 8,
correspond to 1~8 displays on output signal cards (counting
from left to right, top to bottom).
⑥
MENU
AV: Switch AV signal from AV signal card& audio signal from
audio card synchronously.
VIDEO: Switch AV signal from AV signal card only.
AUDIO: Switch audio signal from audio card only.
ALL: Select all input or output channels.
THROUGH: Switch 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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2.2. Matrix Rear Panel
No.
Name
Description
①
INPUTS
Signal card slots to insert necessary input cards.
②
OUTPUTS
Signal card slots to insert necessary output cards.
③
TCP/IP
RJ45 connector for TCP/IP control.
④
RS232
Serial control port for RS232 control.
⑤
Power port
Connect with household alternating current power.
⑥
GND connector
System grounding.

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2.3. Signal Card
The MTX88M-N support expansion through various changeable input/ output cards of
different signals including DVI, HDMI, VGA, twisted pair, SDI etc. Here is a brief
introduction to the changeable cards.
2.3.1. 4I-VA
1080P seamless VGA input card with 4 VGA and 4 external L+R audio ports.
4I-VA
●Supports seamless switching, it can be used in combination with other seamless output
signal card.
●Supports video upscaling, converting input video to 1080P or 1920x1200P.
●Supports input resolution selection.
●Manually select VGA (RGBHV), YPbPr, S-VIDEO or C-VIDEO signal format.
●Compatible with HDMI and DVI signal input.
●Supports YCBCR or RGB chrominance space.
●Supports VGA input signal auto correction.
●Supports 4 external L+R audio inputs and audio channel control.
Pin layout of female VGA connector:
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_RT
N
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.
2.3.2. 4O-VG
1080P VGA output card with 4 VGA and 4 external stereo audio ports.
4O-VG
●Only supports VGA video format.
●The bandwidth is up to 350MHz (-3dB).
●The default output resolution is 1920x1080P@60Hz.
●Supports 4 external stereo audio outputs.

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2.3.3. 4O-VS
1080P seamless VGA output card with 4 VGA and 4 external L+R audio ports.
4O-VS
●Supports seamless switching, it can be used in combination with other seamless input
signal card.
●Supports output resolution selection.
●Manually select VGA (RGBHV), YPbPr, S-VIDEO or C-VIDEO signal format.
●Supports 4 external L+R audio outputs and audio channel control.
●When it is used with 4I-VA input card, the ratio of input and output is 1:1.
●Supports NTSC or PAL.
Note: When the 4O-VS output card is used with the seamless input card except 4I-AV, the
video resolution of all input sources should be set to same resolution by RS232 commands
to ensure the seamless output.
2.3.4. 4I-VH & 4O-VH
1080P seamless VGA+HDMI input card with 2 VGA, 2 HDMI and 4 external L+R audio
ports.
4I-VH
●Supports seamless switching, it can be used in combination with other seamless output
signal card.
●Supports HDMI 1.3 and HDCP 1.3.
●Compatible with HDMI and DVI signal input.
●Manually select VGA (RGBHV), YPbPr, or C-VIDEO signal format, and supports video
upscaling, converting input source to 1080P or 1920x1200P.
●Supports input resolution selection.
●Supports YCBCR or RGB chrominance space.
●Supports image brightness, contrast, chrominance, sharpness, color temperature,
aspect ratio, and image mode setting.
●Supports 4 external L+R audio inputs and audio channel control.
1080P seamless VGA+HDMI output card with 2 SDI, 2 HDMI and 4 external L+R audio
ports.

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4O-VH
●Supports seamless switching, it can be used in combination with other seamless input
signal card.
●Supports HDMI 1.2 and HDCP 1.3.
●Manually select VGA (RGBHV), YPbPr, or C-VIDEO signal format.
●Supports output resolution selection, and it is up to 1920x1080P@60Hz.
●Supports 4 external L+R audio outputs and audio channel control.
Pin layout of the HDMI connectors (female).
No.
Signal
No.
Signal
1
TMDS Data 2+
20
SHELL
2
TMDS Data 2
Shield
19
Hot Plug Detect
3
TMDS Data 2-
18
+5V Power
4
TMDS Data 1+
17
Ground
5
TMDS Data 1
Shield
16
DDC Data
6
TMDS Data 1-
15
DDC Clock
7
TMDS Data 0+
14
No Connect
8
TMDS Data 0
Shield
13
CEC
9
TMDS Data 0-
12
TMDS Clock-
10
TMDS Clock+
11
TMDS Clock
Shield

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2.3.5. 4I-HS & 4O-HS
1080P seamless HDMI input card with 4 HDMI and 4 external L+R audio ports.
4I-HS
●Supports seamless switching, it can be used in combination with other seamless output
signal card.
●Supports HDMI 1.3 and HDCP 1.2.
●Compatible with DVI signal input.
●Supports input resolution selection, and it is up to 1920x1080P@60Hz.
●Supports image brightness, contrast, chrominance, sharpness, color temperature,
aspect ratio, and image mode setting.
●Supports 4 external L+R audio inputs and audio channel control.
1080P seamless HDMI output card with 4 HDMI and 4 external L+R audio ports.
4O-HS
●Supports seamless switching, it can be used in combination with other seamless input
signal card.
●Supports HDMI 1.3 and HDCP 1.2.
●Supports output resolution selection, and it is up to 1920x1080P@60Hz.
●Supports 4 external L+R audio outputs and audio channel control.
Note: When the 4O-HS output card is used with the seamless input card except 4I-HS, the
video resolution of all input sources should be set to same resolution by RS232 commands
to ensure the seamless output.

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2.3.6. 4I-UH & 4O-UH
4K HDMI input card with 4 HDMI, and 4 external L+R audio ports.
4I-UH
●Supports HDMI 1.4 and HDCP 1.4.
●Compatible with DVI signal.
●Input resolution is up to 4Kx2K, and supports 1080P 3D.
●Synchronously switch audio and video.
●Supports 4 external L+R audio inputs and audio channel control.
Note: When the 4I-UH input card is used with the 1080P output card, the video resolution
must be set to 1080P to ensure reliable output.
4K HDMI output card with 4 HDMI, and 4 external L+R audio ports.
4O-UH
●Supports HDMI 1.4 and HDCP 1.4.
●Compatible with DVI signal.
●Output resolution is up to 4Kx2K, and supports 1080P 3D.
●Synchronously switch audio and video.
●Supports 4 external L+R audio outputs.

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2.3.7. 4I-SS & 4O-SS
1080P seamless SDI input card with 4 SDI input and 4 loop output ports.
4I-SS
●Supports seamless switching, it can be used in combination with other seamless output
signal card.
●Supports input resolution selection, and the input resolution can be upscaled to
1920x1080P@60Hz.
●Automatically recognize SDI, HD-SDI or 3G-SDI signal format.
●Supports image brightness, contrast, chrominance, sharpness, color temperature,
aspect ratio, and image mode setting.
1080P seamless SDI output card with 4 SDI output and 4 loop output ports.
4O-SS
●Supports seamless switching, it can be used in combination with other seamless input
signal card.
●Supports output resolution selection, it is up to 1920x1080P@60Hz.
●Automatically recognize SDI, HD-SDI or 3G-SDI signal format.
Note: When the 4O-SS output card is used with the seamless input card except 4I-SS, the
video resolution of all input sources should be set to same resolution by RS232 commands
to ensure the seamless output.

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2.3.8. 4I-SH & 4O-SH
1080P seamless SDI+HDMI input card with 2 SDI, 2 SDI LOOP, 2 HDMI and 2 external
L+R audio ports.
4I-SH
●Supports seamless switching, it can be used in combination with other seamless output
signal card.
●Supports HDMI 1.3 and HDCP 1.3.
●Compatible with DVI signal.
●Supports input resolution selection, and the default is 1920x1080P@60Hz.
●Automatically recognize SDI, HD-SDI or 3G-SDI signal format.
●Supports image brightness, contrast, chrominance, sharpness, color temperature,
aspect ratio, and image mode setting.
●Supports 2 external L+R audio inputs and audio channel control.
1080P seamless SDI+HDMI output card with 2 SDI, 2 SDI LOOP, 2 HDMI and 2
external L+R audio ports.
4O-SH
●Supports seamless switching, it can be used in combination with other seamless input
signal card.
●Supports HDMI 1.3 and HDCP 1.3.
●Compatible with DVI signal.
●The default output resolution is 1920x1080P@60Hz.
●Automatically recognize SDI, HD-SDI or 3G-SDI signal format.
●The transmission distance of 1080P SDI signal is up to 60 meters.
●Supports 2 external L+R audio outputs and audio channel control.

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2.3.9. 4I-AV & 4O-AV
1080P seamless CVBS input card with 4 CVBS and 4 external L+R audio ports.
4I-AV
●Supports seamless switching, it can be used in combination with other seamless output
signal card.
●Supports input resolution selection, and it is up to 1920x1080P@60Hz.
●Supports image brightness, contrast, chrominance, sharpness, color temperature,
aspect ratio, and image mode setting.
●Supports 4 external L+R audio inputs and audio channel control.
1080P seamless CVBS output card with 4 CVBS and 4 external L+R audio ports.
4O-AV
●Supports seamless switching, it can be used in combination with other seamless input
signal card.
●The output resolution supports 480i or 576i.
●Supports NTSC or PAL.
●Supports 4 external L+R audio outputs and audio channel control.
2.3.10. 4I-DS & 4O-DS
1080P seamless DVI input card with 4 DVI ports.
4I-DS
●Supports seamless switching, it can be used in combination with other seamless output
signal card.
●Supports HDMI 1.3 and HDCP 1.4.
●Automatically recognize DVI, HDMI, VGA, YPbPr and C-VIDEO signal format.
●Supports input resolution selection, and it is up to 1920x1080P@60Hz.
●Supports image brightness, contrast, chrominance, sharpness, color temperature,
aspect ratio, and image mode setting.
●Supports embedded EDID management and DDC channel.