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 FOREWORD 

Foreword 

This manual is intended to help you to install and operate the NXtension-ES4 
Expander Board.  

Please have a look the page devoted to NXtension-ES4 on NEXO website 

http://www.nexo-
sa.com/asp/catalogue/products.asp?linkid=284&prodcode=NXtension-ES4

 before 

installing your product to check if the release enclosed in the enclosed CDROM is the 
latest. 

This product is intended for use with the NX242 digital TDcontroller. Do not try to 
install it in an NX241 as damage could result. 

NXtension-ES4 Expander Board at a glance: 

o Double DSP resources & Setup memory of the NX242 TDcontrollers. 

o Remote Control potentials via WLAN and Internet, 100% Ethernet and TCP/IP 
compatible. 

o NX242 TDcontroller full remote control including Input/Output meters & protection 
monitoring 

o 4x Digital audio inputs from 64 uncompressed channels of 24bit/48kHz of audio 
transmission over Ethernet. (EtherSound protocol) 

o 4x NX242's processed digital audio outputs to 64x uncompressed 24bit/48kHz 
channels of audio transmission over Ethernet. 

Unpacking 

The NXtension Expander Board package should contain: 

-

 

the NXtension-ES4 Expander Board  

-

 

2x M3x4 screws for replacing blank panel (rear of the NX242) 

-

 

3x M3x5 screws for fastening the NXtension Expander Board in the NX242                                            

-

 

1x CD ROM containing this manual, the LOAD needed for updating the firmware 
of the NX242 and the ESmonitor software to control the NX242 

-

 this 

manual 

NXTENSION USER MANUAL 

DOCUMENT REVISION 150305

 PAGE 

5

 

Summary of Contents for NXtension-ES

Page 1: ...NXtension Expander Board NXtension ES ES Monitor Software User Manual ...

Page 2: ...rd or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped Information about products that generate electrical noise NOTE The United States Federal Communications Commission in 47 CFR 15 105 has specified that the following notice be brought to the attention of users of thi...

Page 3: ...not at 12dB but earlier Amplifier clipping is not represented on output VU meter Changing setup C F key combination for accessing different cabinet families is not yet implemented The software will issue a warning that you are changing family instead Protection monitoring is not implemented Firmware update via the network is not implemented Global MUTE does not un mute Restore default button does ...

Page 4: ...RDWARE INSTALLATION 6 ESMONITOR SOFTAWRE 9 NX242 REMOTE CONTROL PAGE 9 VIRTUAL NX242 TDCONTROLLER DIRECT ACCESS 10 INPUT BOX 10 INFO BOX 11 OUTPUT BOX 12 MASTER BOX 13 SECURITY BOX 13 SAVE RECALL BOX 14 GROUP 14 BUILDING ETHERSOUND NETWORKS 16 PREFACE 16 ETHERSOUND NETWORK TOPOLOGIES 17 ETHERNET ADDITIONNAL HARDWARE 18 ETHERNET CABLES 20 ETHERNET CONNECTORS 22 NXTENSION USER MANUAL DOCUMENT REVISI...

Page 5: ...ia WLAN and Internet 100 Ethernet and TCP IP compatible o NX242 TDcontroller full remote control including Input Output meters protection monitoring o 4x Digital audio inputs from 64 uncompressed channels of 24bit 48kHz of audio transmission over Ethernet EtherSound protocol o 4x NX242 s processed digital audio outputs to 64x uncompressed 24bit 48kHz channels of audio transmission over Ethernet Un...

Page 6: ... frame of the NX242 before removing the NXtension ES4 from its anti static package NOTE the NXtension Expander Board with the EtherSound extension MUST only be installed in a NX242 Digital TDcontroller 1 Remove the top panel of the NX242 11 screws 2 Remove the blank panel located on the back panel 2 screws DO NOT USE THESE SCREWS WITH THE NXtension card AS THEY ARE TOO LONG AND WILL DAMAGE THE PCB...

Page 7: ...r left corner of the NXtension Expander Board under the corner of the rear panel of the NX242 back panel until there is enough room to place the upper right corner inside the NX242 Supposing that you are facing the front panel of the NX242 NXTENSION USER MANUAL DOCUMENT REVISION 150305 PAGE 7 ...

Page 8: ... to the rear panel of the NX242 2 self taping screws M3x4 Use the screws provided with the NXtension package 8 Replace the top panel Pay special attention to the screws above the aluminum heat sink Only apply a light torque to avoid damaging the thread in the aluminum 9 Update the NX242 firmware to allow the NXtension Expander Board to be activated Follow the standard updating instructions given i...

Page 9: ...tran com This contains any information about software installation and use Specific information about the NX242 control page is given below NX242 remote Control Page The Graphical User Interface GUI is divided in to several boxes containing commands that are related together INPUT OUTPUT INFO NXTENSION USER MANUAL DOCUMENT REVISION 150305 PAGE 9 ...

Page 10: ...In both cases an array EQ gain is present The value of the gain can be typed directly into the text box Digital IN The four input bar graphs display on a logarithmic scale the input signal 0dB is the digital full scale value where the AD converter clips When clipping occurs the whole bar graph becomes red 12dB zone is orange The dynamic of the bar graph is 96dB Above the bar graph the EtherSound c...

Page 11: ... Displays the cabinet family setup name as it is written in the NX242 2x16 letters Change setup SET This button changes the setup within the same family Changing cabinet family from a PS10 to a GEOT implies physical changes and can be dangerous if not done intentionally To avoid any mistake the keys C F must be held on the keyboard while clicking on the Set button to be able to access setups from ...

Page 12: ...he patch allows change the outputs input matrix According to the analogue digital choice in the input box an unused channel is faded Pressing a button changes its color Several buttons can be pressed to sum the inputs Number shown on the digital buttons are relative to EtherSound routing Protection monitoring Two bar graphs are displayed by channel Temperature and displacement The top of the scale...

Page 13: ...he channel Mute buttons into Solo buttons Changes the label on those buttons and the way they change color Does not affect global mute button Sense alarm Enables or disables the Sense alarm when user gains are different than read gains Reset Measurement Double click on the Meas box to reset the reading Security box Restore default values NX242 user adjusted values will all return to default state ...

Page 14: ...e selected NX242 will appear in the left group frame However the following restrictions prevent change of an NX grouping Another EtherSound element belongs already to the group as a patch panel or YGDAI card NX242s with different setups can t be put into the same group Group buttons that can t be accessed are grayed Group mode When the group is selected in the Group view frame group mode is enable...

Page 15: ...set according to the group value The universal group mode view shows always the maximum value within all NX242 grouped i maximum bar graph max delay etc When the notion of maximum is irrelevant an orange X is displayed for the patch number for instance Any NX242 can belong to several groups NXTENSION USER MANUAL DOCUMENT REVISION 150305 PAGE 15 ...

Page 16: ...t indicates that this technology is suitable for EtherSound networks designates that the technology or material described is to be avoided in the context of EtherSound networks indicates that the chapter or paragraph in question contains important additional information or differentiations READ WITH CARE ETHERSOUND TO KEEP IN MIND The EtherSound protocol by Digigram is based on true Ethernet frame...

Page 17: ...ibits filter operation and sample extraction from the EtherSound frame causes sample loss and degrades audio performance EtherSound network topologies EtherSound devices may be daisy chained or use a Star architecture in this case switches must be used or a combination of both Daisy Chain Star Configuration NXTENSION USER MANUAL DOCUMENT REVISION 150305 PAGE 17 ...

Page 18: ...es that are able to filter and forward frames at nearly the speed of Ethernet wire speed The two most common methods used for routing the traffic are Cut through These switches read the MAC Media Access Control address as soon as a frame is detected by the switch and immediately begin sending the frame to the destination node even as the rest of the frame is coming into the switch Store and forwar...

Page 19: ...d As the EtherSound protocol contains exclusively layer 2 information switches other than layer two must not be used These layer 2 switches can be either managed or unmanaged Managed switches are necessary to set up VLAN networks so that EtherSound can co exist on a larger network with other applications Layer 3 Network Layer and Layer 4 Transport Layer switches Routers As opposed to Layer 2 switc...

Page 20: ...k use There are several grades of UTP cables each higher grade offering better performance Level 1 and Level 2 cables are the lowest grades and least expensive ones designed primarily for low speed and voice transmissions less than 5Mbps They should not be used in the design of 10BaseT networks Level 3 and Level 4 cables are very common for current 10BaseT configurations Level 3 cable can support ...

Page 21: ...vior the UTP cables shall NOT be used o FTP stands for Overall Foil Shielded Twisted Pair ScTP for Screened Twisted Pair Cable is wrapped with an aluminized plastic foil That kind of cabling is not recommended for applications where the cable is repeatedly bent The foil tends to break leading to severe loss of performance over the distance Do not use FTP cabling for live application o STP stands f...

Page 22: ... particular factory floors Furthermore fiber optic cables and Ethernet standard allow for segments up to two km 1 24mi long cf thin coaxial 185m 607ft UTP 100m 328ft and thus permit to connect remote nodes and buildings that otherwise would not be accessible To use Fiber Optic cable in EtherSound networks Media Converters must be used ETHERNET CONNECTORS The Ethernet connector equipping your cable...

Page 23: ...USER NOTES NXTENSION USER MANUAL DOCUMENT REVISION 150305 PAGE 23 User notes ...

Page 24: ...ulevard Suite E2 San Rafael CA 94901 Tel 1 415 482 6600 Fax 1 415 482 6110 e mail info nexo cc LatAM Nexo Latin America Hualfin 1054 1424 Capital Federal Argentina Tel 54 114 432 1911 Fax 54 114 431 1007 e mail info nexo fr Far East Nexo Far East Pte Ltd No 10 Ubi Crescent 02 35 36 Ubi Techpark Lobby C SINGAPORE 408564 Tel 65 742 5660 Fax 65 742 8050 e mail info nexo sg com www nexo sa com ...

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