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1. ar a 6 Agate gl o ot a Ny l 3 yy y ASI Gils js ASI Z o 80 TELE audiovision International The World s Largest Digital TV Trade Magazine 01 02 2013 www TELE audiovision com www TELE audiovision com Ol O2 2013 TELE audiovision International S RATBSRAVNMSHMRE 81 DEGING mlllustration 1 Versatility of IRDs tions like PowerVu for ex ample which would cause incompatibilities on too many levels BISS is an open platform which can easily be implemented by manu facturers without any has Sles As far as broadcasting companies are concerned BISS offers the benefit of adding encryption to sports feeds without incurring ad ditional costs The transmit ting and the receiving end mlllustration 2 Example for using the NDS3975 in a network sports2. Audio Output ASI Output 1 x2 ASI Output 2 x2 IP Output x1 CAM Descrambling procession Graphical LCD Video Monitor Buttons Power Supply Temperature Range Dimensions Z ENERGY DIAGRAM Active Power Z _ _ _ _ _ Power W In the first ten minutes the NDS3975 was operated with three input signals and active re multiplexing During the last five minutes a slightly increased power consumption can be observed which is caused by the switched on mini screen of the front panel www TEL audiovision com Ol O2 2013 TELE audiovision International ERAT 5 5 8102 2 93 ASlout4 10MHzZIN 10MHzLoop 1PPSIN 1PPS Loop 1 Main menu All menu items are numbered which greatly facilitates all documentation and remote support Based on the menu number it is easy to communicate which parameter has to be adjusted and in what way 2 We started out by accessing the Input menu and from there going to Tuner Configuration 3 The correct frequency has to be entered in menu item 1 1 2 for a satellite transponder to be received properly 4 Don t forget to make sure the right LOF is given in menu item 1 1 3 5 Now the symbol rate has to be entered in item 1 1 4 6 This is followed by menu item 1 1 5 which takes care of the correct polarisation V or H 7 The only thing that s still missing is the high or low band i e 0 22 KHz You can set this in menu item 1 1 6 8 Time for a si
3. Setting 4 1Card Setting InPut Select Tuner ASI IP A Card Info B Card Info Pro Select CI Bitrate hhh b amp b 4 2 5 4 2 1 Select Mode 4 2 2 Mode 1 4 2 3 Mode E 5 Network Setting 1 IP Address 2 Subnet Mask 3 Gateway 4 MAC Address 5 Service IP 6SPTS Net Config ou 5 6 1 SPTS Config 5 6 2 SPTS IP Addr 5 6 3 SPTS Gateway 5 6 4 SPTS Enable 5 6 5 SPTS Para Prg 6 Saving Config 7 Loading Config 7 1 Saved config 7 2 Default config 8 Version SNMP glllustration 3 Menu structure of the NDS3975 84 TELE audiovision International The World s Largest Digital TV Trade Magazine 01 02 2013 www TELE audiovision com 20053975 DVB S2 HD IRD NDS3975 DVB S2 HD IRD Desai Electronic Technology Sichuan Co Lid Dexin Digital Technology Chengdu CoLd Http iwww dsdvb com ET i 8 gt E 2 pe a oF B lead all input signals to the re multiplexer first We opted for the latter since our end result should be a single transport stream with six channels We also configured the output bitrate We did not edit the network IDs at this stage even though the NDS3975 gives users that possibility too What we did change however was the IP address for the IP stream output By default a multi cast IP address was entered here as well but we thought it would be wise to stream directly to one of our
4. a newly created trans port stream carrying the channels listed above In addition the new stream should be given out both via ASI and IP The IP stream will be forwarded to a Dek tec DTU 215 Gold which will take care of modulating the IP stream into a DVB C sig nal which will then be led to 1 Everything is hunky dory with the LCD screen showing the current data rate 2 What a fascinating feature The built in mini screen can present the currently selected channel with high resolution This way you won t need an external monitor Pure genius 3 The small screen has exactly the same content as our external monitor which we connected via DVI and a corresponding adapter The NDS3975 even delivers audio in addition to video 4 The transport stream generated by the NDS3975 was passed through to our meter that has an ASI input 5 Almost like a professional studio The NDS3975 left under the monitor IRD DVB C receiver DVB T receiver PC with TSReader and Dectek DTU 215 Gold installed Tuner Lock ASI Lock iP Lock Decoder OK Ol O2 20I3 www TELE audiovision com Alarm 86 DEING could then be received and processed with any stand ard DVB C receiver Even all additional features and ser vices such as teletext were available without a glitch The conclusion we drew from building our own lit 1 Tuner Program Count 1 Program 257 Das Ers
5. a standard definition transponder so that we could check out how capable the multiplexer of the NDS3975 is 3 IP The IP input should receive its signal from a PC with TSReader Pro To that end we installed a BDA com patible DVB T USB receiver merely have to agree on a key for reliable and cost efficient encryption Dexing definitely deserves special praise for implementing this encryption method in its NDS3975 as well To make sure we can look at all features and functions of the NDS3975 we set up a small head end in our test center A second IRD with ASI output was added to provide a complete trans port stream from ASTRA 19 25 East and with the help of the TSReader software see test report in TELE audiovision 09 10 2012 we also provided the locally available DVB T transpond er The NDS3975 itself was set up to receive a second transponder of the ASTRA 19 2 East satellite We then verified all results using a professional meter with ASI input while at the same time distributing the transport stream generated by the NDS3975 to our PC using UDP Unicast The Dek tec DTS 215 Gold see test report in TELE audiovision 12 02 2012 was installed in our PC to re modulate the Signal into the DVB C and DVB T standards Once that was achieved the final signal could easily be tested on any standard DVB C or DVB T receiver When you go about setting up the NDS3975 you can fol low two different routes You may ch
6. it comes with a fully implemented BISS decoder inside Simply enter the current BISS key select the BISS version and you re done extremely user friendly so lution and for large installa tions in particular you can identify potential problems at a single glance On the left side of the MUX tab all received chan nels are listed according to input while the software lists channels that should be packaged into the out put stream on the right side This way it does not take rocket science to set up a new Mux In fact you don t even have to consult a manual Once the final settings have been transferred to the www TELE audiovision com Ol O2 2013 TELE audiovision International RSFSR BURKE dress of the NDS3975 IP 192 168 1 210 in our case and confirming it all param eters of the receiver can be accessed read and changed as required This is way fast er and much more efficient than making all adjustments directly on the box Each device is shown in the tree structure with a virtual LED in front of its name This LED lights up in green whenever a connec tion between software and receiver is established and if no connection is possible this is indicated with a red light We believe this is an Help ting z Factory Setting Auto Login Yes a happy about that since it is labelled Alarm In step 4 just above we had activated Multiplex which meant we needed to define w
7. test PCs via Unicast This way 87 input All we had to do is initiate a search in the Prog Parse sub menu 3 Configuration of the IP input By default the NDS3975 comes with some useful parameters for IP in terfaces which meant we did not change the multi cast address 224 2 2 at port 1001 Once again we then proceeded with the search in the Prog Parse sub menu 4 We then had to turn to the output side The NDS3975 can be set to pass through the transport stream from one of the in puts tuner ASI or IP di rectly to the IP output or to Enter Menu 4 7 our improvised cable head end These are the steps we took to set up the NDS3975 for our test scenario 1 Configuration of the built in tuner To start with we had to change the tuner s LOF to 9750 since by default it is set up for the C band Next we entered the fre quency 11494 MHz sym bol rate 22000 and LNB voltage 18V for horizontal Once the Tuner Lock sta tus LED indicated a locked signal we went to the Prog Parse sub menu and started a channel search 2 Configuration of the ASI www TELE audiovision com Ol Oe 20I3 Power Tuner Lok ASI Lok IP Lock o Decoder OK on our PC and streamed the entire 754 MHz transponder of the local DVB T in Portu gal to the NDS3975 via UDP This stream is comprised of five channels with MPEG 4 and AAC compression These three transport streams should be muxed into
8. 2 HD IRD Index Scramble ProgramName _ Card Select 1 Free Das Erste HD No Selected 2 Free arte HD No Selected 3 Free SWA Bw HD No Selected 4 Free SWR RP HD No Selected Get File Edit Operate Setting TELE satellite Dexing NDS3975 2012 08 30 16 52 18 Online G Remote Load m Remote Save Factory Setting N Restart g Local Save BISS E Transmit 5 Set 2 Success 16 55 32 File Edit Operate Setting Help TELE sateliite Dexing 75 o NY Restat H Local Save Localload ff Ext NDS3975 DVB S2 HD IRD Descrambler Key 0x m Word Mode MODE 1 x r Equipment Name IP Address fal Equipment Type Eror Informations NDS3975 DVB S2 HD IRD lt Dexing NDS3975 192 168 1 210 4 Channels received by the tuner can be descrambled with one of the two plugged in CAMs It s interesting to note that each channel can be individually paired with one of the two CAMs 5 The Mux tab takes care of re multiplexer configuration which could not be easier on the left side you select a source channel and by clicking on the arrow button pointing to the right it is added to the target stream Selecting a channel on the right side and using the arrow button pointing to the left the channel is removed from the target stream 6 The NDS3975 is a professional device which is why
9. CI standard When we think of integrat ed receiver decoders IRD we uSually have in mind pro fessional reception devices for head ends Contrary to conventional consumer re ceivers IRDs are designed for permanent use This means the ultimate bench mark is not convenience and fast zapping but receiving a channel or transponder for any length of time up to sev eral years and making that Signal available for further processing and distribution The major specifications for IRDs are high reliability 19 inch rack format high usability excellent reception quality NDS3975 DVB S2 HD IRD 1 AST input 4 AST outputs 1 tuner input DVB S2 C T as selected our test unit was equipped with a DVB S2 tuner 1 HDMI port 1 composite video output 1 audio output L R 1 YbPbR component out put What truly set our hearts ablaze however was a sec ond look at the front panel Apart from the two line LCD display which is extremely easy to reads thanks to its blue backlighting two arrow keys and three additional buttons for Enter Menu and Lock we discovered a small screen Could it be true Does this new IRD come with a small monitor right on the front that can show live TV with its 38mm diagonal There was only one way to find out quickly connect and set up the device Yes this small monitor has a sur prisingly high resolution and can easily replace an exter The NDS3975 is shippe
10. IP ad tion since the pre defined IP address of the NDS3975 192 168 1 210 worked bril liantly for our test network As soon as a single change of the NDS3975 parameters is confirmed the IRD be comes active You can see this with all five LEDs light ing up Power Tuner Lock ASI Lock IP Lock and De coder OK Only one LED remained dark and we were quite tuner Our IRD is equipped with a DVB S2 tuner the NDS3975 as composite video component video and HDMI In addition this was also the channel that would be displayed on the mini screen on the front panel Any channel can be se lected for output no matter whether it s in the trans port stream of the tuner or comes for the ASI or IP in puts 6 We did not change the network configura we could eliminate poten tial network problems in our test center 5 In the Decoder Settings menu you can freely select the video and audio formats with a huge array of options available We restricted ourselves to perform a tuner search and then selected ARD HD This meant that ARD HD would be available from the video and audio outputs of 88 TELE audiovision International The World s Largest Digital TV Trade Magazine Ol O2 20I3 www TELE audiovision com ay 4PPS Loop IN Loop PPS these days many people are worried their purchase may turn into a waste of mone
11. NMS File Edit Operate Setting Help Remote Load f Remote Save Factory Setting N Restart g Local Save g Local Load 1 Exit 1 pa lt NDS3975 DvB S2 HD IRD Dexing NDS3975 E Parameters 26 Mux ai Card Biss E Transmit P4 SPTS 73 Tuner Parameters Fi General Parameters ES Mode Stereo v Audio Select deu z Volume O 4 0 25 3 Resolution 10801 50 5 Program Select 2larte HD Subtitle Finger Switch ss 192 168 1 137 Add Equipment 192 168 210 2007 Dexing NDS3975 NDS3211P MPEG 4 AVC H 264 HD Encoder NDS3214H 4in1 MPEG 4 AVC H 264 HD Encoder NDS3224A 1 MPEG 2 H 264 SD Encoder NDS3228A 8in1 MPEG 2 H 264 SD Encoder NDS3402 DVB S2 Modulator NDS3402A DVB S2 V2 Modulat ting Help ype Eror Informations amp 3 System Time ve EB Factory Setting Restat fj Local Save f Localload ff Ext b2 HD IRD Online 2012 08 31 7 gt NDS3975 DVB S2 HD RD i CZ Parameters 26 Mux ait Card Biss E Transmit P4 SPTS 33 Tuner Parameters Fi General Parameters sss 14 42 25 ES Mode Stereo v Audio Select deu z Volume O14 gt 25 jo Resolution fiosoeso Program Select 2latte HD gt Subtitle Finger Switch Input IP DANE S2 Input Port 1001 IP Address 192 168 1 137 Eda Output IP 192 168 1 2 Output Port 1234 Tuner 52 Signal Strength Hardware Type HD Signal Quality 12 Program Count 4 Dutput Mode Mux st CI Max Bitrate 48 tf Audio Spdif Auto be Decod
12. an integrated BISS decoder goes to show that the manufacturer Dexing has tried to really meet all customer demands BISS is Short for Basic Interoper able Scrambling System and was defined by the European Broadcasting Union in order to allow encryption for occa sional transmissions feeds etc without having to deal with all the obligations im posed by proprietary solu GE Port DX328 Support 256 IP Input amp 8 Frequency Output grated MPEG 2 MPEG 4 de coder can even provide the selected channel as HDMI SDI or CVBS This is also the channel that can be viewed on the built in mini moni tor which means the NDS can at the same time pro vide analog video signals for CATV for example The fact that the NDS3975 does not only come with two CI slots for conditional access modules but also System Connection Sample IP Base Of course the NDS3795 features a re multiplexer which can be set up to re bundle channels of the three received transport stream into a new transport stream without any limitations whatsoever muxing The newly multiplexed stream is then made available via the two ASI outputs as well as through the network inter face for further processing Illustration 2 gives an ex ample of how a typical cable head end could look like Simultaneously the trans port stream of the tuner is available via two additional ASI outputs and the inte Enter Menu Lock a a sig
13. at Program 28008 Program 28011 ZDFinfo Program 28012 DKULTUR Program 28013 DLF Program 28014 zdf_neo Program 28016 2df kultur Program 28017 DRadio Wissen Program Count 5 0 000Mbps 0 000Mbps Program 1101 RTP 1 Program 1102 ATF 2 Program 1103 SIC Program 1104 T I Program 1111 HD NOOO 311111111 i 27 88 289 ACECRCRCRCRCCBCIEC gt Lose Locked Dexing NDS3975 192 168 1 210 NDS3975 our meter with ASI input detected the in coming transport stream What s more all channels of the stream could be re ceived nice and clear Next we turned to the Dectek DTU 215 Gold First we set up the MuxXpert software which is avail able as an option to make sure the IP stream from the NDS3975 is handed over di rectly to the DTU 215 which in turn would take care of modulating the stream into a DVB C signal At this point you should take care of the input band width which must not ex ceed the maximum band width for the selected modulation At the begin ning we simply could not re sist the temptation of add ing too many channels to a Single transponder but after we had reduced that number to six everything was alright and worked flawlessly The frequency that was created with MuxXpert 447MHz 64QAM SR 6875 Help amp Remote Load m Remote Save Factory Setting xX Restart g Local Save uto Login Yes Local Load F Ext NDS3975 DVB S
14. d in a rather plain looking cardboard box yet as soon as you open the packaging you learn that looks can be deceiving Out comes a top notch product that is pro tected by foamed material on all sides plus all cables that are required to get go ing in a flash You ll find the power cable as well as cables for ASI YbPbR and composite video The IRD integrated re ceiver decoder NDS3975 is designed with the standard 19 inch rack width in mind and sports spotless build quality that seems to sug gest I m made to last In addition a look at the rear panel puts us in for another Surprise as there are more connection options available than most of us would think possible power input 3 x RJ 45 IPTV input FE IPTV output GE as an option and not avail able on our test unit NMS maintenance guUcgiIAVIsion Dexing NDS3975 is a unique plus Most powerful and versatile IRD ever its built in monitor ASI Lock g gt IP Lock Decoder OK p gt Fe Desai Electronic Technology Sichuan Co Ltd v Dexin Digital Technology Chengdu Co Ltd Hitp www dsdvb com www TEL audiovision com Ol O2 2013 TELE audiovision International FRAT SRANAFEMES 83 82 TELE audiovision International The World s Largest Digital TV Trade Magazine Ol O2 2013 www TELE audiovision com accessed when status dis play is active Once the config
15. er Tuner z Output Bitrate 20 Mbps Audio Channel Auto Descramble Tuner Ea CardA Info Empty Ce Switch z TY Standard PALDBGHI v Card 8 Info Empty Aspect Ratio 16 9 Full bd Get Search vation Equipment Name f IP Address fel Equipment Type Error informations System Time DVE S2 gt Dexing NDS3975 192 168 1210 NDS3975DVB S2HDIRD Online 2012 08 30 16 38 26 210 2 Auto Login Yes 2 Success 16 38 37 1 All Dexing devices are supported by the NetworkManagement Software allowing entire head end stations to be managed with a single software solution 2 The General Parameters tab shows all main configurations and here the video signal can be adjusted as ipment Type NDS3975 DVB S2 gt Dexing 75 192 168 1 210 NDS3975DVB S2HD RD Online re q u i re d Address 192 168 1 210 IS Version 1 147 3 To be seen on the left Tree structure with TELE oe ee audiovision group and Dexing NDS3975 To the right ae 7 Parameters Tab showing Tuner Parameters of the integrated admin Auto Login Yes Success 16 39 03 groups which can be used to control several head ends at the same time for example Each group can then be set up to manage any number of Dexing devices The one thing you need to make sure is to select the correct device from the drop down list so that the corresponding tabs show the menu options for that particular device After entering the
16. essional receiver then again we found out right away how to use the IRD and hardly ever noticed that the manual was miss ing This in itself speaks volumes about the user con cept of the NDS3975 which is self explanatory like only few other products we had tested before And in case you didn t know The iP hone doesn t come with a manual either We had a to tal of three weeks to check out every nook and cranny of the NDS3975 while it was running without interrup tion Were we faced with any technical problems or malfunctions Far from it This is all the more impressive since our tests place the highest of de mands on all devices and we usually don t give up until we detect a flaw The NDS3975 got the better of us which means we can only congrat ulate Dexing on a top quality Ol Oe 20I3 www Te Ll audiovision com es to light up No troubles caused no tricks required that s what we like about this IRD There s one more thing that deserves special praise Whenever video cannot be put out due to faulty recep tion for instance there is only a short alert message indicating the signal failure After that the screen simply remains dark We believe this is a very smart solution Since end users do not need to know the precise cause of a problem After all would you want Bad reception please tune your dish to pop up on the TV sets of your cable TV customers A blank screen is m
17. gnal scan menu item 1 1 1 Prog Parse which delivers all channels of the transponder Each channel can be selected individually 9 Menu items 1 2 and 1 3 must be accessed to set up the ASI and IP input 10 German channel ZDF was selected in this case This channel was fed through the ASI input 11 As far as the IP input is concerned the correct IP address has to be entered in sub menu 1 3 2 first In addition the port has to be entered as well 1 3 3 12 Right after that all channels of the IP stream can be listed and selected in menu item 1 3 1 13 Numerous adjustment options for video and audio output are available in the decoder menu 14 In menu item 3 1 1 for example the output resolution can be set as required 15 Once the desired input is selected in menu 3 5 and a channel search has been performed in menu 3 4 it is possible to select the desired channel in menu 3 3 This channel is then available via HDMI component video out and composite video out For monitoring purposes this channel can also be watched on the built in mini screen ee HDMI DEGING 92 TELE audiovision International The World s Largest Digital TV Trade Magazine 01 02 2013 www TELE audiovision com
18. hich channels from the three inputs should be taken over As mentioned in the begin ning the NDS3975 can also be set up with great ease using the Network Manage ment Software NMS right on the PC For the Multiplex setup we opted for that very convenient option The software is not de Signed specifically for the NDS3975 but works with all Dexing products This way a head end equipped with different Dexing products can be set up and controlled with a single software solu tion The tree structure of the software allows defining F Ect PS 8155 E Transmit P4 SPTS Parameters Mur tai Card Operate Setting Help ote Load Remote Save Factory Setting N Restat g Local Save g Local Load NDS3975 DVB S2 HD IRD z 7 Tuner Parameters 7 General Parameters Lock Overflow Tuner asl PO a mx MHz Symbol Rate 22000 Ksps Polarization Horizontal 18V _v ES System Time 2012 08 30 16 38 2 LNB Frequency 3750 MHz KHz Symbol Rate fo Ksps Constellation MHz Bandwidth 6M 0 CET sa DVB S2 DYB 5 S2 Downlink Frequency 22KH2 DVB C Frequency DVB T ISDB T Frequency TELE satellite Dexing NDS3975 Name Information DEING 09 Snmp
19. nal output with very good quality low maintenance costs The NDS3975_ receives high scores for each of these demands and yet it offers SO much more It s best to have a look at illustration 1 to get an impression of its versatility The main difference be tween the NDS3975 and standard IRDs can be found right at the beginning of this report It features three usable inputs instead of one tuner only While the tuner itself is exchangeable which means you can ei ther choose DVB S2 DVB C or DVB T there is an ASI input as well as an option to receive 3 transponder stream via a dedicated net work interface This means that it is pos sible to receive a satellite transponder through the built in DVB S2 tuner and at the same time feed in a second transponder from another IRD via ASI Still looking for some ic ing on your cake There you are A third transponder can be integrated via IP at the very same time Tuner Lock Professional Integrated Receiver and Decoder TEST REPORT IRD with three different inputs nal monitor for most pur poses There s even a small switch to turn it on or off so that it stays dark whenever it isn t required In addition the front panel is characterised by six sta tus LEDs Power Tuner Lock ASI Lock IP Lock Decoder OK and Alarm plus two CI Slots on the right side which turned out to be compat ible with all our CAMs except those working with the
20. oose to do all the configuration right on the device itself frontend operation thanks to the LCD screen and the seven control buttons or you can download the Network Man agement Software NMS operation from the Dexing website at www dsdvb com free of charge We embarked on route 1 first which is self explana tory once you have grasped the meanings and functions of the Enter Menu and Lock buttons Lock for instance switches between status display and menu so one could argue that Lock in this context means that the con figuration menu cannot be 1 Input Setting 1 1Tuner DVB S2 1 1 1 Prog Parse 1 1 2 Sat freq set 1 1 3 LNB freq set 1 1 4 Symbol rate 1 1 5 LNB voltage 1 1 6 22KHZ Switch 1 1 ASI 1 1 1 Prog Parse 1 2 IP 1 2 1 Prog Parse 1 2 2 Input IP Addr 1 2 3 Input Port 2 Output Setting 2 1Multiplex Set Multiplexing Tuner passthrough ASI passthrough IP passthrough 2 2 Output Bitrate Output Bitrate 2 3 TransStream ID 2 4 OriginalNetID 2 5 IP Output 2 5 1 IP Out Enable ON OFF 2 5 2 Out IP Addr 2 5 3 Out Port 3 Decoder Setting 3 1 Video Setting 3 1 1 Resolution 3 1 2 Standard 3 1 3 Subtitle 3 1 4 CC Switch 3 1 5 Finger Switch 3 1 6 Aspect Ratio 3 2Audio Setting 3 2 1 Audio Select 3 2 2 ES Mode Stereo Left Channel Right Channel 3 2 3 Volume 3 2 4 Audio SPDIF Auto 3 2 5 Audio Channel Auto 3 3 Program Select 3 4 Search 3 5 Decoder Select Tuner ASI IP 4 Descramble
21. te HD ASI Program Count 1 V Program 513 ZDF P Program Count 1 Program 769 RTP 1 gt Normal Overflow Online 2012 08 30 16 52 18 tle head end station was that this was not only an interesting and worthwhile undertaking but can also easily provide residential accommodation hotels or hospitals with complete TV bouquets via DVB C T or IPTV As always we put the in tegrated tuner itself to a thorough test as well The results show that it is able to lock a signal even if the antenna is on the small side and delivers a rather Sketchy input signal What s more we also tried to provoke errors feeding the IP input with a faulty transport stream but to no avail Turning the transport stream via ASI and IP off and on again did not bother the NDS3975 either it per formed brilliantly whenever a stream was fed to one of its inputs All that happens when the ASI cable is disconnected or the feeding receiver is switched off for example is that the status LED ceas 89 Timeout 60 s Modify Program NDS3975 DVB S2 HD IRD 2 Success 16 52 53 F Et Local Load NDS3975 01 8 52 HD IRD Tuner Program Count 4 0 000Mbps 1 744 830Mbps V Program 10301 Das Erste HD Program 10302 arte HD Program 10303 SWRA Bw HD Program 10304 SWR RP HD ASI Program Count 9 52 749Mbps 0 000Mbps Program 28006 ZDF Program 28007 3s
22. uch less embar rassing don t you think So does all this mean we could not even find the Slightest fault with this prod uct Well the receiver we were sent for testing came without a user manual But 90 3 Vitor Martins Augusto TELE audiovision TECHNICAL DATA Dexin Digital Technology Co Ltd sunyu dsdvb com www dsdvb com english NDS3975 Professional Integrated Receiver Decorder QPSK QPSK DEFA DVBii DV3I4 ISDB B optional Maximum transmitting rate 9OMbps Maximum transmitting rate 80Mbps SDI 1080i 25 29 94fps 720p 50 59 94 fps 576i 25 fps480i 29 94 fps YPbPr 1080i 25 29 94fps 720p 50 59 94 fps CVBS 57610025 fps 480i 29 94 fps Stereo unbalanced audio BNC interface Stereo balanced audio XLR interface Digital audio digital audio One pair One pair optional FE Port MPTS amp 10 SPTS maximum transmitting rate 5 Supporting European DVB CSA Smart Card interface SO7816 Interface Card separation PCMCIA Status and configuration Live TV 7x Control buttons AC 110V 240V 0 450C Operation 482mmx360mmx44mm 3 2Kg AC 100V 240V 50 60Hz 2A RN eee iene Very robust and sensitive Tuner Multiple reception Tuner ASI and IP Integrated Re Multiplexer Many output options ASI IP HDMI Compo nent Composite Simultaneous tuner pass through to ASI None Manufacturer Email Website Model Function Input Tuner Input x1 ASI Input x1 IP x1 Output Video Output
23. uration menu is called up you can use the Up Down buttons to navigate between different menus The menu option that is Shown in the first line can be activated with the Enter button and the Menu but ton brings you up one menu level A highlighted option in a sub menu can be acti vated with the Enter button and edited with the four ar row buttons This way edit ing frequencies or symbol rates becomes a surprisingly straightforward affair When you re done editing a touch of the Menu button confirms all parameters II lustration 3 shows the menu structure of the NDS3975 Before we went about configuring the NDS3975 we first defined which channels Should be included in the fi nal transport stream ARD from the tuner of the NDS3975 ZDF from the ASI input RTP 1 from the IP input RTP 2 from the IP input SIC from the IP input TVI from the IP input This channel list is based on three different transport streams which should be fed to the NDS3975 using the following scenario 1 Tuner Using the built in DVB S2 tuner transponder 19 from ASTRA 19 2 East 11494 H 22000 2 3 8PSK is received This transpond er carries the German public broadcaster Das Erste in high definition among other channels 2 ASI Using the ASI input transponder 77 from ASTRA 19 2 East 11954 H 27500 3 4 QPSK is fed to the IRD It is entirely on purpose that we set up the second trans port stream with
24. y as soon as some framework conditions change Owners of the MNDS3975 need not have such worries since all their product will require is an updated configuration to stay ahead of the pack Conventional tuners on the other hand more often than not must be replaced by a new model In our final verdict we can whole heartedly rec ommend the IRD NDS3975 without any restrictions Never before has a similarly robust versatile and fasci nating professional receiver made its way to one of our test centers The icing on the cake is provided by the mini screen on the front panel which had us wonder why something useful like this has not been available before product The IRD NDS3975 is top notch product in a league of its own Not only is it a professional receiver but an integrated device combining tuner ASI and IP into an excellent pack age complete with re mul tiplexer Add to that a high performance demodulator capable of giving out video as HDMI component video or composite video and you end up with a state of the art offering With the option of re multiplexing the trans port streams right within the system it can do away with or at least reduce the num ber of required standalone multiplexers depending on the field of application Thanks to its wide range of features and functions the NDS3975 is fit for the future as it can always be adapted to new or enhanced require ments When they go out to buy a prof
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