SW404HD | SW808HD
High Definition
Matrix Switch
SW404HD Matrix
SW808HD Matrix
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Matrix Switching System—Instruction Manual
Before You Use the System
1. Read manual
2. Installation environment
Carefully read the manual..
The system should be installed indoors only. Install
either in a sturdy rack or on a table in a well-ventilated place.
Unplug the power cord during lightning or after prolonged
period of non-use to avoid damage to the equipment.
Only qualified technical engineers or specified distributors
are permitted to repair or replace components and parts of
the equipment upon failure.
3. Lightning
4. Maintenance
Table of Contents
Matrix System Overview............................................................................................... 1
Matrix System ........................................................................................................... 1
Matrix System Models.................................................................................................. 1
Matrix System Packing................................................................................................. 1
Matrix Host Installation................................................................................................. 1
Matrix System Front/Rear Panels ............................................................................... 2
Model SW404HD Front/Rear Panels......................................................................... 2
Model SW808HD Front/Rear Panels ............................................................................ 2
Matrix and Peripherals Connection .............................................................................. 3
Input/Output Jacks .................................................................................................... 4
Connecting Audio/Video Cable............................................................................... 4
Audio/Video Ports .................................................................................................. 4
Connection Method................................................................................................... 5
Control Computer Connection ................................................................................. 5
Remote Control Methods and Settings...................................................................... 5
RS-232 Communication Port Connection Methods............................................ 6
RS-485 Communication Port Connection Methods .............................................. 7
Matrix System and Control System Connection - RS-232......................................... 9
Matrix System and Control System Connection - RS-485....................................... 10
Matrix Control Panel Operation.................................................................................. 10
Matrix Control Panel Operation.................................................................................. 11
Input/Output Switching Key Operation Mode .......................................................... 11
Operation ............................................................................................................. 11
Front Panel Key Functions...................................................................................... 11
Operation Examples................................................................................................ 13
Matrix Application Software........................................................................................ 15
Software Introduction .............................................................................................. 15
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Matrix Switching System—Instruction Manual
Software Description ............................................................................................... 15
Software Activation.................................................................................................. 15
Software Features................................................................................................... 15
Main Operation Interface Functions ..................................................................... 15
Examples for Selecting Matrix Switching Functions: ............................................ 16
Disconnect Function Keys.................................................................................... 18
Select all output, DeSelect all output Switching Functions...................................... 19
Disconnect all Command Function Description ....................................................... 20
Memory Function Usage ......................................................................................... 20
Store and Retrieve Function Description.............................................................. 20
Store Function Example of the............................................................................. 20
Retrieve Function Example .................................................................................. 20
Scan Function Usage.............................................................................................. 20
Options Function Usage......................................................................................... 20
Exit Function Description.......................................................................................... 21
Other Usages.......................................................................................................... 21
Communication Protocol and Control Command Code.............................................. 21
Matrix System Technical Parameters........................................................................ 21
Video.................................................................................................................... 21
Video Input........................................................................................................... 21
Video Output ........................................................................................................ 22
Audio Signal......................................................................................................... 22
Control Type......................................................................................................... 22
Specifications ........................................................................................................ 22
Common Problems and Solutions.............................................................................. 23
APPENDIX – Communication Protocol ...................................................................... 25
Default Communication Settings – 9600, N, 8, 1..................................................... 25
DIP Switch Description............................................................................................ 25
SW1-SW5: Machine ID (address) ........................................................................ 25
SW6-SW7: RS-485 TX/RX Terminating Resistor................................................. 25
SW8: RS-232/RS-485 Master or RS-485 Slave................................................... 25
Protocol Description ................................................................................................ 26
Command Packet................................................................................................. 26
Response Packet ................................................................................................. 26
Command Packet Byte Descriptions.................................................................... 26
Response Packet Byte Descriptions .................................................................... 28
Command Table................................................................................................... 29
Trademarks................................................................................................................ 31
Warranty..................................................................................................................... 31
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Matrix Switching System—Instruction Manual
Page 1
Matrix System Overview
Matrix System
The Matrix Switch is a high performance system used to switch audio/video
frequencies. It will cross switch multiple input/output audio/video signals through
independent Y/Pb/Pr component and audio input/output terminals. Each Y/Pb/Pr component
signal and audio signal is transmitted separately and switched separately, thereby minimizing
signal attenuation and ensuring high definition graphics and high fidelity audio signal output.
The primary use is; TV broadcasting projects, multi-media conference halls, large display
projects, TV teaching, and command control centers. It features power interruption
protection during power surge, LCD display, and synchronous and separate audio/video
switching functions. The RS-232 and RS-485 communication ports enable convenient
communication with remote control equipment. This manual describes the SW404HD and
SW808HD models.
Matrix System Models
Technical Parameters
Model
Video
Input Port
Audio
Input Port
RS-485
Connector Connector
RS-232
Video
Output Port
Audio
Output Port
SW404HD
SW808HD
4
8
4
8
4
8
4
8
√
√
√
√
Matrix System Packing
When unpacking, ensure the following items are found:
‰ One SW XXX HD Matrix
‰ One RS-232 cable
‰ One power cable
‰ One testing and application CD
‰ One user manual
‰ Two green terminals
Matrix Host Installation
The SW XXX HD Matrix should be placed on a sturdy desk or installed on a 19-in rack.
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Page 2
Matrix Switching System—Instruction Manual
Matrix System Front/Rear Panels
Model SW404HD Front/Rear Panels
SW404HD Front Panel
SW404HD Rear Panel
Model SW808HD Front/Rear Panels
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Matrix Switching System—Instruction Manual
SW808HD Front Panel
Page 3
SW808HD Rear Panel
Matrix and Peripherals Connection
Receiver
Matrix System Connections
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Page 4
Matrix Switching System—Instruction Manual
Input/Output Jacks
Dependent on the matrix model installed, the video signal input/output jacks are arranged in
either 4 or 8 columns of RCA female connectors. The connector rows from top to bottom are:
Y video (green), Pb/Cb video (blue), Pr/Cr video (red), right audio signal (red), and left audio
signal (white). The input and output jack channels are numbered from left to right as 1 to 8
(or 1 to 4). Refer to the drawing above for other types of connectors. The model numbers of the
matrix systems describe the number of input/output connectors. Example: Model SW404HD
has 4 input sets and 4 output sets.
Connecting Audio/Video Cable
The matrix supports various AV video signal sources. Users can connect inputs and outputs to
different audio/visual equipment such as: CD/DVD players, graphics workstations and number
displays, projectors, video recorders, displays, multiplexers, and etc.
Audio/Video Ports
The RCA Jack used is a standardized audio/video connector. It uses coaxial signal connections
in the center conductor and the outer ring for grounding. It will transmit digital audio signals and
video signals.
Video I/O (3-RCA) Connectors
The Y/Pb/Pr connector is a high definition digital TV
connector (color contour Y/Pb/Pr) capable of
connecting with high definition digital set-top box,
satellite receiver and various high definition
monitors and TV equipment. There are separate
connectors for the Y, Pb, and Pr signals.
Component
Video
YPbPr-RCA Connecting Cables
Audio I/O (2-RCA) Connectors
Connection of the RCA audio cables is as shown below:
Normally RCA audio connectors are in pairs separately
indicated by red for the right audio channel (R for right)
and black or white for the left audio channel (L for left).
The RCA stereo cable is in one set for both left and right
audio channels with each channel in one cable.
Audio Connecting Cables
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Matrix Switching System—Instruction Manual
Page 5
Connection Method
The audio inputs and outputs can be separately connected to audio signal connectors of video
recorders and multiplexers.
Use the RCA cables for connecting AV equipment to the matrix. Connect the video and audio
connectors of the signal source equipment output terminals to the same channel connector of
the matrix input terminals. Connect the output of the matrix switch to the input connectors of the
interfaced equipment.
NOTE: The colors at both ends of the various signal cables must correspond to each
other, otherwise loss of color reproduction or even no signal output could
occur.
Control Computer Connection
Use the RS-232 cable (supplied) to connect the computer serial port to the RS-232
communication port of the matrix host. The computer can then be used to control the
matrix after installation of application software.
Matrix Switch
RS-232
DCE
Matrix and Computer Connection
Remote Control Methods and Settings
The matrix provides standard RS-232 and RS-485 serial communication ports. The matrix
switching operation may be controlled locally using the front panel keys or remotely
through the RS-232 or RS-485 serial communication.
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Page 6
Matrix Switching System—Instruction Manual
RS-232 Communication Port Connection Methods
The RS-232 port is a 9-pin female connector. The pin functions are shown in the
following table and connections in the Illustrations below:
Note: The Matrix RS-232 port is defined as DCE.
Pin
Leg
Description
number
1
2
3
4
5
6
7
8
9
N/u
Tx
Rx
N/u
Gnd
N/u
N/u
N/u
N/u
Null
Send
Receive
Null
Ground
Null
Null
Null
Null
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Matrix Switching System—Instruction Manual
Page 7
RS-485 Communication Port Connection Methods
The RS-485 port will control more than one product. The RS-485 Port is shown below.
On/Off Switch Settings
A. DIP switch 8:(RS-232/RS-485 on/off)
‰ ON:RS-232 enables single system or RS-485 serial master
‰ OFF:RS-485 enables RS-485 serial slave B.
B. DIP switches 6 and 7 (RS-485 - terminator on/off)
‰ ON enables Terminator
‰ OFF disables Terminator
C. DIP switches 1 to 5 (ID address setting)
The ID address determines the position of a matrix within a system. When multiple Matrix
units are connected to one PC or when the Matrix units are serially connected, the ID
address decides which Matrix is controlled. The chart below describes the ID addresses.
ID Address Settings
ON/OFF Switch Settings
Software ID
Address
(Hexadecimal )
ID Address
(Decimal)
ON/OFF
(Binary)
SW1 SW2 SW3 SW4 SW5
0
1
2
3
4
5
6
7
8
00
01
02
03
04
05
06
07
08
00000
00001
00010
00011
00100
00101
00110
00111
01000
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
on
off
off
off
off
on
on
on
on
off
off
off
on
on
off
off
on
on
off
off
on
off
on
off
on
off
on
off
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Page 8
Matrix Switching System—Instruction Manual
ID Address Settings
ON/OFF Switch Settings
Software ID
Address
(Hexadecimal )
ID Address
ON/OFF
(Binary)
SW1 SW2 SW3 SW4 SW5
(Decimal)
9
09
0A
0B
0C
0D
0E
0F
10
11
12
13
14
15
16
17
18
19
1A
1B
1C
1D
1E
1F
01001
01010
01011
01100
01101
01110
01111
10000
10001
10010
10011
10100
10101
10110
10111
11000
11001
11010
11011
11100
11101
11110
11111
off
off
off
off
off
off
off
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
off
off
off
off
off
off
off
off
on
on
on
on
on
on
on
on
off
off
off
on
on
on
on
off
off
off
off
on
on
on
on
off
off
off
off
on
on
on
on
off
on
on
off
off
on
on
off
off
on
on
off
off
on
on
off
off
on
on
off
off
on
on
on
off
on
off
on
off
on
off
on
off
on
off
on
off
on
off
on
off
on
off
on
off
on
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
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Matrix Switching System—Instruction Manual
Page 9
Matrix System and Control System Connection - RS-232
PC RS-232, multi-Matrix (up to 32) connections are as shown below.
NOTES:
1. For RS-232 connections refer to photo below.
2. RS-232 or RS-485 baud rates: 9600bps, 8-bit data transmission address, no, odd,
or even parity, 1-bit stop address: (9600 - 8 - N - 1).
3. Serial connection between Matrix RS-485 as follows:
TX (+) ↔ TX (+)
TX (-) ↔ TX (-)
RX (+) ↔ RX (+)
RX (-) ↔ RX (-)
4. DIP switch 1-5 addresses must not set to same ID address.
(ID = 0)
(ID = 1)
(ID = 30)
(ID = 31)
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Page 10
Matrix Switching System—Instruction Manual
Matrix System and Control System Connection - RS-485
PC RS-485, multi-Matrix (up to 32) connections are as shown below.
NOTES:
1. RS-485 baud rate: 9600bps, 8-bit data transmission address, no, odd, or even parity 1-
bit stop address: (9600 – 8 - N - 1).
2. Connect PC RS-485 port to the Matrix RS-485 port Î:
TX (+) ↔ TX (+)
TX (-) ↔ TX (-)
RX (+) ↔ RX (+)
RX (-) ↔ RX (-)
TX (+) ↔ TX (+)
TX (-) ↔ TX (-)
RX (+) ↔ RX (+)
RX (-) ↔ RX (-)
3. Serial connection between Matrix RS-485 ports Î
4. DIP switch 1-5 addresses must not set to same ID address.
(ID = 0)
(ID = 1)
(ID = 30)
(ID = 31)
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Matrix Switching System—Instruction Manual
Matrix Control Panel Operation
Page 11
Input/Output Switching Key Operation Mode
The front panel keys of the Matrix system are used for fast audio/video switching (for
details refer to the Front Panel Key Functions).
Operation
Operation consists of three basic steps:
‰ Choose the Switching Method
‰ Select the Output Channel
‰ Select the Input Channel.
Switching Methods
Two primary switching methods are used, either Synchronous audio/video switching or
separate switching.: Use the front panel Audio and Video keys to select Audio/Video
Switching, Audio Switching Only, or Video Switching Only. An indicator shows if the function
is selected.
Output Channel
OUT Row 1-8 keys on the front panel represent connection of output channels 1 to 8 to
peripheral equipment.
Input Channel
IN Row 1-8 keys on the front panel represent input channels 1 to 8 for connection of the
signal source to be switched to the selected output channel.
Front Panel Key Functions
Front Panel Key Functions
Part
Function Key
Function
LCD display shows current matrix
connection status and operation.
1
Output channel selection keys used for
selecting audio/video output channels
or for selection of Status Retrieve or
Stored Number.
Input channel selection keys used for
selecting audio/video input channels or
for selection of Status Retrieve or
Stored Number.
2
3
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Page 12
Matrix Switching System—Instruction Manual
Front Panel Key Functions
Part
Function Key
Function
Implement all output selection keys via
certain input route.
Example: First press the ALL key,
then select the input channel to output
to all output channels; first press the
ALL key, then press the OFF key to
close all the presently displayed
switching status.
4
ALL
Close output channel key.
Example: First press the output
channel button to close, then press
the OFF key to close the specified
channel.
5
6
OFF
Saves
all
current
input/output
corresponding relations.
STO
(Store Key)
Example: Press the STO key, then
press the desired output channel key
to save all currently displayed
input/output corresponding relations.
The RCL key retrieves the saved
input/output corresponding relations.
Example: First press the RCL key,
then press the previously saved output
channel key to retrieve the saved
input/output status and implement
this status switching.
RCL
(Retrieve Key)
7
8
Enables or disables audio switching
selections.
Example: Press the Audio key to
open or close the Audio switching
function. When the LED indicator
next to the Audio key is on it
indicates audio switching is enabled,
when off the function is disabled.
Enables or disables video switching
selections.
Example 1: Press the Video key to
open or close the video switching
function. When the LED indicator
next to the Video key is on it
indicates video switching is enabled,
when off the function is disabled.
AUDIO
VIDEO
9
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Matrix Switching System—Instruction Manual
Page 13
Operation Examples
Example 1: Synchronously connect the number 1 audio/video input signals to the
number 3 and 4 output channels (Audio and Video enabled).
Operation Example 1
Key
LCD Display
Operation
1. Press the OUT number
3 key (output channel).
2. When the LCD
OUTPUT
INPUT
number(s) under the 3
on the panel begins to
flash press the IN
number 1 key
The LCD shows 1 at
channel number 3 for
both Audio and Video.
3. Press the OUT number
4 key (output channel),
4. When the LCD
OUTPUT
INPUT
number(s) under the 4
on the panel begins to
flash press the IN
number 1 key
The LCD shows 1 at
channel number 4 for
both Audio and Video.
Example 2: Connect number4 video input signals from channel to number 1, 3, 5 and 6
output channels (Audio disabled and Video enabled).
Operation Example 2
Key
LCD Display
Operation
1. Press the AUDIO key to
turn off the LED
indicator.
2. Press the OUT number 1
key (output channel).
3. When the Video LCD
number under the 1 on
the panel begins to flash
press the IN number 4
key
OUTPUT
INPUT
The LCD shows 4 at
channel number 1 for
video only.
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Page 14
Matrix Switching System—Instruction Manual
Operation Example 2
LCD Display
Key
Operation
4. Press the OUT number 3
key (output channel).
5. When the Video LCD
number under the 3 on
the panel begins to flash
press the IN number 4
key
OUTPUT
INPUT
The LCD shows 4 at
channel number 3 for
video only.
6. Press the OUT number 5
key (output channel).
7. When the Video LCD
number under the 5 on
the panel begins to flash
press the IN number 4
key
OUTPUT
INPUT
The LCD shows 4 at
channel number 5 for
video only.
8. Press the OUT number 6
key (output channel).
9. When the Video LCD
number under the 6 on
the panel begins to flash
press the IN number 4
key
OUTPUT
INPUT
The LCD shows 4 at
channel number 6 for
video only.
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Matrix Switching System—Instruction Manual
Page 15
Matrix Application Software
Software Introduction
The (AV Matrix) Matrix control software is used to remotely configure one or more of the
SW404HD or SW808HD matrix switches.
Software Description
The AV Matrix testing software application tool is used for matrix testing and application.
The following is the required PC operation environment.
‰ Window98/2000/NT/XP operating systems
‰ 32M or greater internal memory
‰ 10M or greater hard disk space
‰ CD-ROM
‰ At least one serial communication port.
Software Activation
1. Turn off power both to the matrix and to the computer.
2. Connect the matrix RS-232 port to the PC RS-232 port using the bundled
communication cable. (Refer to Matrix and Control Computer Connection).
3. Turn on power to the matrix and the computer.
4. Insert the CD ROM provided and install AV Matrix.msi.
5. Click on the AV Matrix program under the start menu.
6. Click on the Scan button to connect to the matrix switch.
Software Features
The software controls signal connection between the corresponding input port and
output port as required. The main operation window is shown below:
Main Operation Interface Functions
Refer to the window menu (next page). The blue interface area shows the cross
connect matrix of output ports 01-08 and input ports 01-08. On the lower right hand
corner, select either Video for signal input switching or Disconnect all to close all
output ports. Click to check the white box to the left of Video or Audio for video or audio
signal transmission.
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Page 16
Matrix Switching System—Instruction Manual
Use the lower scroll bar to view
additional columns
Examples for Selecting Matrix Switching Functions:
Example 1 (Audio and Video Switching): Using a SW808HD matrix having all the
input/output ports properly connected to the equipment. There are two methods to
set channel 1 audio/video to channels 2, 3 and 5 as output and channel 3 audio/video to
channel 6 for output:
First method: In the lower right corner of the blue area, enable the Video and
Audio functions (check the white boxes). To complete the switching operation,
directly click on the corresponding
icons on the matrix to turn them into
.
Second method:.
The following 3 steps sets the switching operation of Audio/Video input channel 1 to
output channels 2, 3 and 5 while at the same time switch Audio/Video input channel
3 to output channel 6.
Step 1: In the lower right corner of the blue area, enable the Video and Audio
functions (check the white boxes),
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Matrix Switching System—Instruction Manual
Page 17
Step 2: First select the Output number keys 02, 03 and 05 to the right, and select the
Input number key 01 to the bottom.
Then, consecutively press the previously selected Output number keys 02, 03 and
05 (or press the Deselect all output key). This selects Input 01 to be routed to
Outputs 02, 03, and 05.
Step 3: First select the Output number key 06 to the right, and select the Input number
key 03 to the bottom.
Then, press the previously selected Output number key 06 (or press the Deselect
all output key). This selects Input 03 to be routed to Output 06.
Example 2 (Video Only Switching):: Using a SW808HD matrix having all the
input/output ports properly connected to the equipment. To set the input/output
connectors to switching from video channel 1 to output channels number 1, 6 and 7 and also
to switch from audio channel 2 to output channel 8. There are two ways of operations:
First method: In the lower right corner of the blue area, enable the Video and
disable the Audio functions (check/uncheck the white boxes). To complete the
switching operation, click on the corresponding
icons corresponding directly
to the INPUT number key 01 and the OUTPUT number keys 01, 06, and 07 on the
matrix to turn them into
.
Second method:
The following 4 steps, completes the operation of switching video channel 1 to output
channels 1, 6, and 7 while also switching audio channel 2 to output channel 8.
Step 1: In the lower right corner of the blue area, enable the Video and disable
the Audio functions (check/uncheck the white boxes).
Step 2: Select the output number keys 01,06 and 07 to the right and select the input
number key 01 to the bottom.
Then, press the previously pressed output number keys 01, 06, and 07 to the right
(or press the Deselect all output key). This selects video switching of input 01 to
output 01,06 and 07.
Step 3: In the lower right corner of the blue area, disable the Video and enable
the Audio functions (uncheck/check the white boxes).
Step 4: Select output number key 08 to the right and input number key 02 to the
bottom. Then, press again the previously pressed output number key to the right
(or press the Deselect all output key). This selects audio switching of input 02 to
output 08.
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Page 18
Matrix Switching System—Instruction Manual
Disconnect Function Keys
Close all the unused output ports.
A specific example of operation is described below:
The default input and output relations are shown below:
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Matrix Switching System—Instruction Manual
Page 19
Example: Close the output ports 03, 05, and 06.
Step 1: First press down the output number keys 03, 05 and 06 to the right
Step 2: Press the Disconnect key
Step 3: Press the previously pressed output number keys 03, 05 and 06 (or press the
Deselect all output key) to complete the operation. The final results will be as shown
below:
Select all output / Deselect all output: Switching Functions
(1) Select all output function is used to select one port for input and all output ports for output.
A specific example of operation is described below:
Example: Using a SW808HD matrix with all input and output ports properly connected to the
equipment. The needed input/output ports should be set to audio/video channel 1 while switching
all output ports to output.
Make sure to select both Video and Audio by checking the boxes in the lower right corner
of the blue box. Then, press the Select all output key and select the input number key
01. Click on the matrix icons along the 01 row
complete the command operation.
to turn them into
to
. (2) DeSelect all output function is used to close the Select all output functions.
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Page 20
Matrix Switching System—Instruction Manual
Disconnect all: Command Function Description
Use this command to close all the switching paths at one time. Press the Disconnect all key
to close connection to all input and output ports.
Memory Function Usage
Store and Retrieve Function Description
The Store Function saves all the present input/output switching relations to any
Locations from #1 to #8 desired. The Retrieve Function is used to retrieve these saved
input/output switching relations.
Store Function Example of the
Store all the present input/output switching relations to Location #1;
1. Select Location #1 ' as shown in the figure above,
2. Click the Save key to save all the present input/output switching relations to Location #1.
Retrieve Function Example
To retrieve the input/output corresponding relations saved in Location #1;
1. Select Location #1 as shown in the figure below
2. Click the Load key to retrieve all the input/output corresponding relations stored in
Location #1.
Scan Function Usage
Use the mouse to click the Scan key to refresh the AV Matrix operating interface.
Options Function Usage
This is an Activation Function for connecting a PC to a Matrix set.
1. In the main menu, select Options to
pop up the Options window.
2. In Port Number field, select either COM1
COM1
COM2
port or COM2 port.
9600
19600
3. In BAUD Rate select 9600 for signal
transmission
4. Select OK to finish.
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Matrix Switching System—Instruction Manual
Page 21
Exit Function Description
Used to exit the operating software.
Other Usages
Displays the presently saved switching status as shown below:
This table shows the Video/Audio Input ports
corresponding to the Output ports. When a port is
closed, ZERO will be shown in that box.
Communication Protocol and Control Command Code
Communication Protocol:
‰ Baud rate 9600bps
‰ No, odd, or even parity
‰ 8-bit transmission address
‰ 1 bit stop address.
Refer to the "Command list.pdf" on the CD-ROM for the command system.
Matrix System Technical Parameters
Model
Parameters
SW808HD
SW404HD
Video
Enhancement
0-dB
Bandwidth
1 50MHz (-3dB), Full Load
20nS (±1nS)
50nS (Longest Time)
Component/Composite Video
Max. Transmission Delay
Switching Speed
Signal Type
Video Input
Connector
8 RCA Female Connectors
4 RCA Female Connectors
Signal Strength
1 Vp-p Y Component Video, S-video, Composite Video; 0.3Vp-
p R-Y & B-Y Component Video, S-video
Modulated Signal 0.5V~2.0Vp-p
Min./Max. Voltage
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Page 22
Matrix Switching System—Instruction Manual
Model
Parameters
SW808HD
75 ohms
SW404HD
Impedance
Video Output
Connector
Signal Strength
Impedance
8 RCA Female Connectors
2.5Vp-p
75 ohms
4 RCA Female Connectors
Audio Signal
Input/Output Connectors
Signal Type
Impedance
RCA Female Connectors
Stereo, Balanced or Unbalanced
Input: l0k-ohms
Output: 100-ohms
+19.5dBu
Max. Input Level
Max. Output Level
+19.5dBu
Control Type
Serial Control Connectors
Baud Rate and Protocol
RS-232, 9-Pin Female D Type Connector
9600bps, no odd or even parity, 8-bit Transmission Address ,
1-bit Stop Address
Serial Control Port Structure TX, RX, GND
Control Procedures
(AV Matrix))
Specifications
Power
Temperature
Humidity
Housing Measurements
Product Weight
Median Failure Interval
100VAC~240VAC, 50/60Hz, International Auto-Switch
Storage, Operating Temp: -40°C~+85°C
Storage, Operating Humidity: 10%~90%
485 mm (L) X 272 mm ( W ) X 140mm (H)
4800g
30,000 Hours
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Matrix Switching System—Instruction Manual
Page 23
Common Problems and Solutions
1. The matrix front panel switching keys not responsive?
Answer: The matrix front panel keys employ scanning testing and require longer response
time. Press the keys for 2 seconds and then release. This way, key switching will be
responsive in operation.
2. The matrix does not display or color display is abnormal after hot plug?
Answer: Switching of the signals goes through the matrix ICs. If the voltage difference
between the input signal equipment and the matrix equipment is too large, hot plug could
easily cause damage to the matrix switches. Turn off power to the system before
plugging or unplugging.
3. Ghosting happens when YPbPr signals output to display?
Answer: Ghosting is often caused either by the projector, inferior cable quality or
long transmission distance. Adjust the projector or replace with better quality cable.
4. Loss of color reproduction happens or no video signal output?
Answer: Check if connectors at both ends of the YPbPr signal cable are correctly connected.
5. The serial port fails to control the matrix?
Answer: Check that the communication port set by the control software is correctly
connected to the corresponding serial port of the equipment. Verify the serial control
parameters (9600, 8, N, 1).
6. The corresponding graphics fail to output during matrix switching?
Answer:
(1) Check for a signal on the input end. If there is no input signal, it could be that
the input connection cable is broken or the connector is loose. Repair or
replace the connecting cable.
(2) Check if there is signal on the output end. If there is no output signal, the cable
could be broken or the connector is loose. Reseat or replace the connecting cable.
(3) Check if the output port number is the same as the controlled port number.
(4) If none of the above circumstances happen, it could be internal failure of the
product itself. Call 469-429 9200 for technical support.
7. The power LED is not on, LCD has no display and no response in operation?
Answer: Check if the equipment power input is good. Check the power at the AC outlet and
that the power cord is firmly connected at both ends.
8. Power leakage sensed during plugging or unplugging of the audio/video ports?
Answer: It could be that the equipment power is not properly grounded. Properly ground the
equipment, otherwise product life may be shortened.
9. The LCD displays normally, the communication port shows good return codes, but displays
no graphics or audio output?
Answer: (1) It could be that the audio/video connectors are loose. Replace the connectors.
(2) It could be the connection cable short-circuited. Replace the cable.
(3) It could be the connection cable is broken. Replace the cable.
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Page 24
Matrix Switching System—Instruction Manual
10. The matrix panel keys and communication ports are out of order?
Answer: Check if the equipment power input is good and the computer communication ports
are good. If the connections are good, it could be failure of the product. Call 469-429
9200 for technical support.
11. Operation and function failure occurred?
Answer: Check if the equipment and the matrix system are properly connected. If the
problem persists, Call 469-429 9200 for technical support.
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Matrix Switching System—Instruction Manual
Page 25
APPENDIX – Matrix Switch Communication Protocol
The RS-232/RS-485 communications are half-duplex with variable byte count packets.
For RS-232, the matrix switch operates as a DCE device and therefore can be
connected using a straight cable to a DTE device such as a computer. The RS-232
connector is a DB-9 female. For RS-485, a discrete wiring connector is provided for
custom connection to any RS-485 equipment. For full details on connecting to the
matrix switch refer to the User Manual.
Default Communication Settings – 9600, N, 8, 1
Baud Rate
Parity
Data Bits
Stop Bits
9600
None
8
1
DIP Switch Description
SW1-SW5: Machine ID (address)
0=ON, 1=OFF
Notes
SW1
SW2
SW3
SW4
SW5
0
0
~
1
0
0
~
1
0
0
~
1
0
0
~
1
0
1
~
1
Address for RS-232/RS-485 Master only
Addresses for Slave devices
SW6-SW7: RS-485 TX/RX Terminating Resistor
0=ON, 1=OFF
SW6
SW7
Notes
0
1
1
0
0
1
0
1
Resistor ON
Resistor OFF
Invalid
Invalid
SW8: RS-232/RS-485 Master or RS-485 Slave
0=ON, 1=OFF
SW8
Notes
0
1
RS-485 Slave Device
RS-232/RS-485 Master
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Page 26
Matrix Switching System—Instruction Manual
Protocol Description
Command Packet
Command packets are sent to the Matrix Switch from a computer and are 4 or more
bytes long depending upon the instruction code.
Command Type A
Address
Instruction Code
Output Byte
Input Byte
CRC
or Command Type B
Address Instruction
Code
Length
Byte
Output
Byte 1 Byte 1
Input
Output
Byte n Byte n
Input
CRC
= = =
Response Packet
Response or Acknowledgement (ACK) packets are returned from the Matrix Switch
after receipt of a command packet. The response packets are 2 or more bytes long
depending upon the command requirements.
ACK Type A
ACK Byte
CRC
or ACK Type B
ACK
Byte
Length Byte Output
Byte 1
Input
Byte 1
Output
Byte n
Input
Byte n
CRC
= = =
or ACK Type C
Supported Supported
ACK Length Information
Machine
Name 1
Machine
Name n
Output
Ports
Input
Ports
= =
CRC
Byte
Byte
Byte
Command Packet Byte Descriptions
Command Type A
Address
Instruction Code Output Byte
Input Byte
CRC
Command Type B
Address Instruction Length
Code Byte
Output
Byte 1
Input
Byte 1 Byte n
Output
Input
Byte n
CRC
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Matrix Switching System—Instruction Manual
Page 27
Address Byte (Command Type A and B)
7
6
5
4
3
2
1
0
BT
X
CRC
CRC
M4
M3
M3
M1
M0
Broadcast Reserved
Machine ID (5-bit address)
BT: Broadcast
0: Instruction for one machine with matching Machine ID
1: Instruction for all machines
If BT = 1, machine will not return a response packet.
If BT = 0, machine must respond
CRC: CRC-8
0: Host (computer) does not append a CRC byte at end of command
packet
1: Host appends a CRC byte to end of command packet
Instruction Code Byte (Command Type A and B)
7
6
5
4
3
2
1
0
VAR
X
I5
I4
I3
I2
I1
I0
Variable Reserved Instruction Code (6-bit command)
Length
VAR: Variable Length 0: The command packet is 4 bytes with Output and Input bytes
1: The command packet is variable length and contains a
length byte indicating the number of Output and Input bytes
Length Byte (Command Type B only)
L7
L6
L5
L4
L3
L2
L1
L0
O0
I0
Number of Output and Input Bytes to follow not including CRC
Output Byte (Command Type A and B)
O7 O6 O5 O4
Refer to Command Table
O3
O2
I2
O1
I1
Input Byte (Command Type A and B)
I7 I6 I5 I4
Refer to Command Table
I3
CRC (Command Type A and B)
C7 C6 C5
C4
C3
C2
C1
C0
CRC-8 calculated from all bytes in packet.
Appended if CRC bit set in Instruction code
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Page 28
Matrix Switching System—Instruction Manual
Response Packet Byte Descriptions
ACK Type A
ACK Byte
CRC
ACK Byte (ACK Type A, B, and C)
7
6
5
4
3
2
1
0
ACC
X
X
M4
M3
M3
Ml
MO
Accept Reserved Reserved Machine ID (5-bit address)
ACC: Accept: 0: Reject received command
1: Accept command
ACK Type B
ACK
Byte
Length
Byte
Output
Byte 1
Input
Byte 1
Output
Byte n
Input
Byte n
CRC
L0
= = =
L2
Length Byte (ACK Type B)
L7 L6 L5
L4
L3
L1
Number of Output and Input Bytes to follow not including CRC
Output Byte (ACK Type B)
O7
O6
O5
I5
O4
O3
O2
I2
O1
I1
O0
I0
Refer to Command Table
Input Byte (ACK Type B)
I7
I6
I4
I3
Refer to Command Table
ACK Type C
Supported Supported
ACK Length Information
Byte Byte Byte
Machine
Name 1
Machine
Name n
Output
Ports
Input
Ports
= =
CRC
Length Byte (ACK Type C)
L7 L6 L5
L4
L3
L2
L1
L0
Count of Information Input Bytes to follow not including CRC
Information Byte (ACK Type C)
7
6
5
4
3
2
1
0
AS
VS
X
X
TM4
TM3
TM1
TM0
Audio
Video Reserved Reserved
Total Memory Locations Available
Support Support
AS: Audio Support
0: Audio command not supported
1: Audio command supported
VS: Video Support
0: Video command not supported
1: Video command supported
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Matrix Switching System—Instruction Manual
Page 29
SOP0
Supported Output Port (ACK Type C)
SOP7
SOP6
SOP5
SOP4
SOP3
SOP2
SOP1
SIP1
Bit = 1 if output port is supported, else 0
Supported Input Port (ACK Type C)
SIP7 SIP6 SIP5 SIP4
Bit = 1 if output port is supported, else 0
SIP3
SIP2
SIP0
Machine Name Bytes (ACK Type C)
MN7 MN6 MN5 MN4
ASCII Code (character)
MN3
MN2
MN1
MN0
Command Table
HEX
Instruction
Code
Instruction Variable
Description Length
ACK
Type
Output Byte
Input Byte
Note
00h
Dummy Call
Switch Video
N
Y
00h
00h
1
A
B
Video output to Video input to
switch 1 –8
(0=all)
Video output to Video input to be
be switch 1 –8 switch 1 – 8
(0=all)
01h
02h
switch 1 – 8
(0= disconnect)
Switch Audio
Y
N
B
A
(0= disconnect)
Memory
Location # to
store status,
(not 0)
Store All
Video Status
03h
04h
05h
06h
07h
00h
2
2
2
2
Memory
Store All
Audio Status
Location # to
store status,
(not 0)
N
N
N
Y
00h
00h
00h
A
A
A
B
Memory
Recall All
Video Status
Location # to
recall status
from, (not 0)
Memory
Location # to
recall status
from, (not 0)
Recall All
Audio Status
Video output
for requested
status, (1-8, 0=
all)
Request
Status of
Video Output
Memory
Location # to get 1,2
status from
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Page 30
Matrix Switching System—Instruction Manual
ACK
HEX
Instruction
Code
Instruction Variable
Description Length
Output Byte
Input Byte
Note
Type
Audi output for
requested
status, (1-8,0=
all)
Request
Status of
Audio Output
Memory
Location # to get 1,2
status from
08h
Y
B
Request
3Fh
Machine Info
and Model
N
00h
00h
1
C
Command Note:
1. Not supported for Broadcast command.
2. Memory # 0 is current switching status, memory # 1-x is free location. Refer to
Information Byte for number of total memory locations.
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Matrix Switching System—Instruction Manual
Page 31
Trademarks
All the companies, brand names, and product names referred to this manual are the
trademarks or registered trademarks belonging to their respective companies.
Warranty
Cable Electronics, Inc. warrants this product to be free from defects in material and
workmanship, under normal use and service, for a period of one year from the purchase
by the original purchaser. If this product is defective or malfunctions, Cable Electronics
will replace or repair this unit (at their option) within a reasonable time. No expressed or
implied warranty is made for any defects caused by immersion or exposure to liquids,
abuse, neglect, improper operation of unit, excess wear and tear and defects resulting
from unauthorized disassembly and or modification.
3209 Wood Dr., Garland, TX 75041
469 429 9200
©Cable Electronics | CE Labs, Inc.
All Rights Reserved.
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