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© MuxLab Inc.

Audio 8x8 Matrix Switch Installation Guide

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1.

Overview

1.1.

Description

MuxLab’s Audio 8x8 Matrix Switch (500210), allows 8 analog or digital sources to be
switched/distributed to up to 8 remote receivers via unshielded twisted pair (UTP) for
cost-efficient connectivity. Remote receivers can be connected up to via MuxLab
analog balun (500028) or digital balun (500020). An expansion port is available to add
8 or 16 analog ports only.

Figure 1: Block Diagram

Applications include commercial and residential audio systems, boardroom systems,
multi-room systems, classroom training, retail systems, and medical information
systems.

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Summary of Contents for 500210

Page 1: ...P N 94 000759 A Audio 8x8 Matrix Switch 500210 Installation Guide ...

Page 2: ... unmodified version of FreeRTOS V6 0 0 The source code is available at www freertos com Printed in Canada No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the author Trademarks MuxLab is a registered trademark of MuxLab Inc ...

Page 3: ...ation Checklist 9 3 4 Physical Installation 10 3 5 Installation Procedure 11 3 6 Manual Control of Matrix Switch 13 3 7 Remote Control of Matrix Switch 15 3 8 Cascadability 16 3 9 Port Control Operation 17 3 10 USB Driver Setup 18 3 11 Ethernet Web Interface 21 4 Troubleshooting 30 5 Appendix 31 A ASCII Command Set 31 B Serial USB Port Commands 32 C IP Control Commands 41 D Infrared Remote Control...

Page 4: ...vers via unshielded twisted pair UTP for cost efficient connectivity Remote receivers can be connected up to via MuxLab analog balun 500028 or digital balun 500020 An expansion port is available to add 8 or 16 analog ports only Figure 1 Block Diagram Applications include commercial and residential audio systems boardroom systems multi room systems classroom training retail systems and medical info...

Page 5: ...log stereo channel and digital SPDIF via eight RJ45 jacks and Cat 5e 6 UTP cables Seamless integration with MuxLab analog balun 500028 or digital balun 500020 Web interface RS232 and USB CDC control Firmware is field upgradable Touch pad on front panel for manual control Device control over HTTP protocol 1U rackmount unit ...

Page 6: ... analog and 600 ft 180 m digital Cables Cat 5e 6 UTP Power 12 VDC 1 A Matrix Switching Time Instantaneous LED Diagnostics Power Blue Channel Overload Blue LAN Link Green and Activity Yellow Temperature Operating 0ºC to 40ºC Storage 20ºC to 85ºC Humidity Up to 95 non condensing Dimensions 1U Rack Mountable 16 9 x 8 7 x 1 8 in 43 0 x 22 0 x 4 5 cm Accessories Included Power supply 2 mounting bracket...

Page 7: ...7 3 Installation Procedure 3 1 Parts List The Audio 8x8 Matrix Switch 500210 comes with the following parts Base unit with two 2 brackets One 1 110 240V 12VDC 1 A Power Supply One 1 Quick Reference Sheet Please verify that all parts are present before proceeding ...

Page 8: ...gure 2 Front Panel Front Panel Legend 1 Monitor port 2 Display 3 Navigation pushbuttons 4 Enter pushbutton 5 IR sensor 6 Overload indicator blue LED 7 Power indicator blue LED Figure 3 Back Panel Back Panel Legend 1 Analog audio input ports RCA connector 2 Digital audio input ports RCA connector 3 Power supply port 2 1 MM barrel connector 4 Remote interface port USB 5 Remote interface port RS 232 ...

Page 9: ...Matrix Switch is used in conjunction with MuxLab hi fi analog balun 500028 and digital balun 500020 2 The Matrix Switch is typically installed in a remote telecom room and is connected to multiple video sources and display devices via Cat 5e 6 UTP A MuxLab balun is installed at each receiver amplifier audio source to support the connection to the Matrix Switch via a Cat 5e 6 cable ...

Page 10: ...n for the product and install the unit using standard rack mount screws Figure 4 Figure 4 Setup for Rackmount Installation For set top installation the side mounting brackets may be removed and the included rubber feet placed on the bottom of the unit When removing the mounting brackets be careful to keep and reinstall the four screws on each side of the unit Figure 5 Figure 5 Setup for Set top In...

Page 11: ...tion 3 4 Physical Installation 2 Ensure that power is OFF on all sources and outputs 3 Connect all sources and outputs to the Matrix Switch 4 Connect the external 12 VDC power supply to the Matrix Switch and plug the power supply into an AC power outlet 5 Power up all equipment 6 Figures 6 and 7 show some typical configurations The Matrix Switch is now ready to use See Section 3 7 Manual Control f...

Page 12: ... MuxLab Inc Audio 8x8 Matrix Switch Installation Guide Page 12 Figure 6 Typical Configuration Analog Signal Stereo Figure 7 Typical Configuration Digital Signal SPDIF Coaxial ...

Page 13: ...he menus shown on the LCD screen The fifth control pushbutton a large square labeled Enter allows the user to select the current entry shown on the LCD screen Upon powering up the LCD screen displays two lines of text 8X8 AUDIO MATRIX Product name 1 0 0 Software version If no control pushbutton is pressed for 3 seconds the LCD screen will display all 8 channel connections in sequence OUTPUT_CH1 Na...

Page 14: ...ONITOR Sub menu Use the Up and Down pushbuttons to select the input channel to monitor via the monitor connector on the front panel Press the Enter pushbutton once to save your selections Press the Enter pushbutton a second time to return to the top level menu Do not press any pushbuttons in order to return to the top level menu without making changes OUTPUT VOLUME Sub menu Use the Up and Down pus...

Page 15: ... MuxLab Inc Audio 8x8 Matrix Switch Installation Guide Page 15 3 7 Remote Control of Matrix Switch The Matrix Switch can be controlled by a remote not included For a list of IR codes refer to Appendix C ...

Page 16: ...ck panel of each unit To cascade two units one unit must be configured as the master and the other as the slave which is done via the internal jumper P4 pin 1 2 Figure 9 Expansion Port Back Panel Figures 10 and 11 illustrate two possible configurations for cascading two Audio 8x8 Matrix Switches Figure 10 Cascade Configuration 8x16 Figure 11 Cascade Configuration 16x16 ...

Page 17: ...ection Ensure that the RS 232 cable has the straight through configuration shown in Figure 12 Figure 12 RS 232 Cable Configuration Please note that the use of USB to RS232 converter cables may result in problems depending on the quality of the converters 2 USB CDC Control Commands from an ASCII terminal may also be sent directly to the device via a USB connection Maintenance can be performed with ...

Page 18: ... no driver is necessary To install the USB serial driver download the SC 000032 A USB to serial driver file from the MuxLab website and save it to the local hard drive NOTE If the downloaded file is compressed it will have to be uncompressed before using it Plug the USB cable between the device and the PC and power up the device The Found New Hardware wizard will open Figure 13 Select Locate and i...

Page 19: ...n Figure 14 Select Browse my computer for driver software advanced Figure 14 Found New Hardware Dialog Box Another dialog box will open Figure 15 Click Browse and locate the SC 000032 A USB to serial driver file downloaded earlier Once found click Next Figure 15 Browsing for Unknown Device ...

Page 20: ...ar indicating that the driver software is unsigned Figure 16 Select Install this driver software anyway Figure 16 Windows Security A window will appear instructing that the software for the driver has been successfully installed Figure 17 Click Close Figure 17 Successful Installation Dialog Box ...

Page 21: ...yellow LED will blink if Ethernet activity is detected Once the Matrix Switch has been physically connected to an Ethernet network go to http AAA BBB CCC DDD where AAA BBB CCC DDD is the device IP address NOTE The device IP address can be obtained by pressing the Info button on the front panel The Login screen is the first screen to appear Figure 18 Figure 18 Ethernet Web Interface Login Screen Th...

Page 22: ...indicator to display different statuses depending on various device conditions internal temperature fan speed etc This configuration is performed in the Alarm tab of the Setup submenu After logging in the main screen appears Figure 19 It contains three submenus 1 Port Management 2 Setup 3 Help 1 Port Management The Port Management submenu Figure 19 appears after the user has successfully logged in...

Page 23: ...n place Once all selections have been made the user clicks on the Connect button to apply those selections Presets are pre established connection configurations that are used to apply wholesale mapping instructions between all displays and sources see Figure 20 The user can load any one of eight presets to the device Once a preset is selected from the Preset drop down menu the user clicks on Load ...

Page 24: ...32 connections Modify alarm settings Upgrade firmware Figure 21 Setup Submenu Port Names Tab In the Port Names tab the user can modify port names in the Display Names and Source Names columns and then click on Save to save these modifications The user can also modify the name of the entire device by changing the text that appears in the Unit Name box and clicking on Save The length of all names is...

Page 25: ... on Save to save these modifications The length of preset names is limited to 20 characters each In the Network tab Figure 23 the user can modify network settings and passwords for users and if applicable administrators Figure 23 Setup Submenu Network Tab To implement network modifications the user makes changes to the IP address Network mask or Router fields and then clicks on Save The user also ...

Page 26: ...User Password and then clicks on the corresponding Save button Regular users can only make changes to the User Password In the RS 232 tab Figure 24 the user can modify RS 232 settings Figure 24 Setup Submenu RS 232 Tab To implement RS 232 modifications the user selects options in the drop down boxes for Baud rate Data bits Parity bits or Stop bits and then clicks on Save ...

Page 27: ... Alarms tab Figure 25 the user can modify the settings that dictate when an alarm will be triggered Figure 25 Setup Submenu Alarms Tab Minimum and maximum temperatures are understood to be in degrees Celsius C Once all modifications have been made the user clicks on Save ...

Page 28: ...ading the firmware must be located on the PC The user clicks on Choose File to browse for the file and then installs it by clicking on Upload It is recommended before upgrading to a new firmware to do a Backup of all the data configurations such as port names presets alarms network settings etc And then Restore these data after the firmware upgrade To do so click on the Backup button and you will ...

Page 29: ...e Page 29 In the Volume tab Figure 27 the user can set the volume attenuation at any output from 0 to 127 dB Figure 27 Setup Submenu Volume Tab 3 Help The Help submenu Figure 28 provides the user with contact and support information Figure 28 Help Submenu ...

Page 30: ...utput section individually Overload LED on Reduce volume at the source or defective cable Choppy Sound digital only Check that distance does not exceed 600 ft 180 m Loss of High Frequency Sound analog only Check that distance does not exceed 3000 ft 900 m Hum or buzz in sound analog only Ground loop or defective cable If cable is not defective connect equipment to electrical ground green wire Tabl...

Page 31: ...terminal emulation program parameters are set to the following BAUD Rate 9600 Data bits 8 Stop bits 1 Parity None Flow control None It should be noted that commands are case sensitive and arguments must be separated by a single space Commands must be entered in the following way and ended with a carriage return ...

Page 32: ... port 1 to 8 from output port 1 to 8 to output port 1 to 8 from output port shall be inferior or equal to to output port Example Connect input 2 to outputs 1 2 and 3 connect i 2 o 1 3 Response 2 2 2 0 0 0 0 0 or an error message if the command failed connect json input port 1 input port 2 output port 8 Description Make 8 connections disconnections in one command using json format Arguments input p...

Page 33: ... 3 Response 2 0 0 0 0 0 0 0 or an error message if the command failed disconnect all Description Disconnect all output ports Arguments none Example Disconnect all outputs disconnect all Response 0 0 0 0 0 0 0 0 or an error message if the command failed 3 Get get i input port Description Get the connection state of a specific input port Arguments input port 1 to 8 Example Get connection state of in...

Page 34: ...connection state of all output ports get o Response Output 01 connected to 03 Output 02 connected to 04 Output 03 connected to none and so on or an error message if the command failed 4 Help help or Description Display all the command list definition available Arguments none Example Display all the command list help Response connect connect i input port o output port Connect 1 input port to 1 outp...

Page 35: ...ion Set a name for the selected output port Arguments output port 1 to 8 name up to 20 characters Example Set the name Kitchen TV for output port 4 name o 4 Kitchen TV Response Output Names Output 1 Output 2 Output 3 Kitchen TV Output 5 Output 6 Output 7 Output 8 or an error message if the command failed name o Description Get a list of all the output port names Arguments none Example Get list of ...

Page 36: ... command failed name unit Description Get the unit name Arguments none Example Get the unit name name unit Response Unit Name MuxLab Switch or an error message if the command failed 6 Network network Description Get the network address values IP mask and gateway Arguments none Example Get network address values network Response IP 10 0 1 101 MASK 255 255 0 0 GATEWAY 10 0 0 1 DHCP ON or an error me...

Page 37: ...ple Set the gateway address to 10 101 1 5 Network g 10 101 1 5 Response IP 192 25 80 13 MASK 255 255 255 0 GATEWAY 10 101 1 5 DHCP OFF or an error message if the command failed Network dhcp dhcp state Description Enable disable DHCP feature Arguments dhcp state on or off Example Enable the DHCP feature Network dhcp on Response IP 10 0 1 101 MASK 255 255 0 0 GATEWAY 10 101 1 5 DHCP ON or an error m...

Page 38: ...se preset 5 saved successfully or an error message if the command failed 9 Reset reset f Description Reset the unit and restore it to its factory settings Arguments none Example Reset unit and restore to factory settings reset f Response Clearing flash memory Rebooting or an error message if the command failed 10 Volume volume Description Display all the output volume attenuation values Arguments ...

Page 39: ...data bits parity stop bits Description Modify other RS 232 settings Arguments data bits 7 or 8 parity e o or n i e even odd none stop bits 1 or 2 Example Set the RS 232 settings to 8 data bits no parity and 1 stop bit serial o 8 n 1 Response Baud Rate 115200 Data bits 8 Stop bit 1 Parity NONE or an error message if the command failed serial b baud rate o data bits parity stop bits Description Modi...

Page 40: ...ption Display the unit status Arguments none Example Display the unit status status 13 Version version Description Get the current firmware version Arguments none Example Get current firmware version version Response Master firmware version 1 0 0 or an error message if the command failed ...

Page 41: ...rmitted Also null values are not permitted Use 0 instead 3 Basic Usage All read and write operations are performed via HTTP GET and HTTP POST commands respectively While you can perform a GET at any time a POST command will require prior authentication 4 Basic Authentication Authentication is performed in three simple steps 1 Obtain a Session ID Perform a GET request on var session json to obtain ...

Page 42: ...an change matrix video connections 2 Admin Can perform any command without restriction To obtain credentials you will need to POST an array of two strings to var auth json the userlevel and the password associated to that user For example POST var auth json sid 12345 POST data 2 mypassword If successful you will receive an HTTP 201 Created response Sessions will automatically close after 5 minutes...

Page 43: ...mes of all 4 output ports Example Conference Room Cafeteria var presetnames json Array of 8 strings Contains the names of all 8 presets Example Preset 1 Preset 2 week end var dhcp json Array of a single integer Indicate if dhcp is ON 1 or OFF 0 Example 1 var auth json Array of a single integer Contains an integer representing the current user level from 0 to 2 Example 2 var session json Array of a...

Page 44: ...r presetnames json Array of 8 strings Contains the names of all 8 presets to be set Example Preset 1 Preset 2 week end var auth json Array of 2 strings Contains a single digit string representing the user level requested and a second string representing the password Example 2 myAdminPassword var serial json Array of 4 integers Set the following serial port settings baud rate data bits 7 or 8 parit...

Page 45: ...1 Input 1 For Selecting Inputs Directly 42 Input 2 43 Input 3 44 Input 4 45 Input 5 46 Input 6 47 Input 7 48 Input 8 51 External Input 1 For Selecting External Inputs Directly 52 External Input 2 53 External Input 3 54 External Input 4 55 External Input 5 56 External Input 6 57 External Input 7 58 External Input 8 59 External Input 9 5A External Input 10 5B External Input 11 5C External Input 12 5...

Page 46: ...MuxLab DEALER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES NOR WILL MUXLAB BE LIABLE FOR ANY CLAIM BY ANY OTHER PARTY SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR CONSUMER PRODUCTS SO THE ABOVE LIMITATIONS OR EXCLUSIONS MAY NOT APPLY TO YOU THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS YOU MAY ALSO HAVE OTHER RIGHTS WHICH MAY VARY FROM STAT...

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