netup-DVB-TC-CI by telesatelliteenglish


									TEST REPORT                     Professional PC Card

Test of the

•	Suitable	for	setting	up	professional	
IPTV	servers
•	Also	ideally	suitable	for	Linux	based	
multimedia	centers
•	Designed	with	longevity	in	mind	with	                                                                                                        TELE-satellite Magazine
                                                                                                                                     Business Voucher
its	modern	components
•	Compact	design	with	two	DVB-T/C	
tuners	and	two	CI	slots                                                                                                  
                                                                                                                                         Direct Contact to Sales Manager

62 TELE-satellite International — The World‘s Largest Digital TV Trade Magazine — 12-01/2012 — — 12-01/2012 —   TELE-satellite International — The World‘s Largest Digital TV Trade Magazine   63
TEST REPORT                     Professional PC Card

A Professional card for
professional applications
                                                                                                                                          DVB -T/C-CI
                                                                                                                             Impressive professiona
                                                                                                                                                     l card for IPTV
                                                                                                                            servers and multimedia
                                                                                                                                                      centers that is
                                                                                                                            loaded with the latest

under Linux
                                                                                                                                                   technologies for
                                                                                                                                        long-term use

  The NetUP Dual DVB-T/C-                 that the card can even be                    The tuners are Xceive               Once Linux has been in-
CI is being offered as a pro-             recognized by the operating               XC5000 Silicon tuners that          stalled, the Kernel, the cen-
fessional DVB-C and DVB-T                 system.                                   don’t need any kind of me-          tral component of any Unix
PCI-e adapter and is being                                                          tallic shielding thus making        operating system, must be
primarily marketed for use                  The manufacturer wasn’t                 them easier to incorporate          recompiled so that it can
in IPTV servers. When the                 neglectful in including a                 onto the circuit board. These       then recognize the NetUP
adapter arrived at our TELE-              written description, it’s just            tuners support all the TV           card. Since the components
satellite test labs in an unre-           a simple consequence of                   standards and have excep-           on the card are still quite
markable package, we were                 the brand new hardware                    tional sensitivity even with        new, current Linux distribu-
a little concerned at first               components that are used.                 weaker signals.                     tions with v2.6 won’t recog-
when we opened the pack-                  The chips are very new and                                                    nize it.
age and couldn’t find any                 boast high power in a small                 For the CI slots an Altera
trace of a user manual or                 space: A DVB-C or DVB-T                   FPGA is available. This chip          NetUP provides some help
quick start guide; not even               signal can be placed on ei-               is a programmable proces-           as can be seen in Figure 1.
a driver CD could be found!               ther of the two tuners. There             sor and by that we mean             However this newly installed
                                          are also two CI slots. The in-            the software based arrange-         Ubuntu Linux won’t take you
   As it turns out, if you pay            ternal components consist                 ment of the function struc-         all the way to the end since,
a visit to the manufacturer’s             of a Conexant CX23885 that                ture. This makes it theoreti-       for example, GIT has not
web site you’ll find a brief              can handle two MPEG trans-                cally possible to modify the        yet been installed. Because
overview of how to install                port streams and works with               CI interface to work with           of this we went ahead as
this adapter under Linux. It              an integrated Sigma-Delta                 new developments.                   described in Figure 2. Once
is necessary to recompile                 ADCs with 4:2 MUX.                                                            you have accessed “make
the kernel in a NetUP modi-                                                           After the installation of the     menuconfig”, three options
fied kernel version 3.0.0-rc7.              There’s also an extreme-                hardware in the PC, a Linux         need to be activated. These
Prepared software has to be               ly energy efficient STM                   distribution must then be in-       are described on the NetUP
put together by the custom-               STV0367      ultra   compact              stalled. For our case we se-        website although in our tests
ers themselves. The card is               combination DVB-T/C single                lected an up to date Ubuntu         there were only slight differ-
tested with tzap and czap.                chip receiver on board. This              Distribution since it can be        ences. Figures 3, 4 and 5
                                          comes with 6, 7 or 8 Mhz                  installed rather quickly and        show exactly what needs to
  It’s obvious that we’re not             bandwidth as well as QPSK,                not necessarily because of          be changed.
dealing with a consumer                   16 QAM and 64 QAM modu-                   the popularity of this Linux
product here but rather a                 lations. 16, 32, 64, 128 and              distribution with its good            The line “export CONCUR-
professional product. Linux               256 constellations are sup-               support.                            RENCY_LEVEL=3”       works
experience is required so                 ported in DVB-C mode.                                                         better with a multi-core

64 TELE-satellite International — The World‘s Largest Digital TV Trade Magazine — 12-01/2012 —
processor in which two CPU                                                          and install an official Kernel.         pens, you should first try to
cores are used for compila-                 After a restart GRUB                    This should make it easier to           reinstall up-to-date nVidia
tion. The rule is: “CONCUR-               should allow a boot up in the             diagnose any future prob-               drivers and then try to re-
RENCY_LEVEL=X where X is                  newly compiled Kernel. If                 lems. In many cases it’s the            compile the Kernel. After
the number of the CPU cores               any errors should occur, you              nVidia graphics card that               the first restart, it would be
used +1                                   should first try to compile               is the problem. If this hap-            a good idea to have a look in
                                                                                                                            /dev/dvb and check to see if
                                                                                                                            both adapter0 and adapter1
                                                                                                                            are available.

                                                                                                                            1. We took this path to compile
                                                                                                                            the kernel under Ubuntu
                                                                                                                            2. Under Device Drivers,
                                                                                                                        1   Multimedia Support, DVB/
                                                                                                                            ATSC adapters, Customize                                     7                                                                                           8
                                                                                                                            DVB Frontends, ST STV0367
                                                                                         2                                  based (NEW) with <M> must be
                                                                                                                            3. Under Device Drivers,
                                                                                                                        3   Staging drivers, Altera FPGA
                                                                                                                                                                                                                                              “nano .kde/share/apps/kaf-
                                                                                                                            firmware download module                                              As a second test you                        feine/scanfile.dvb“
                                                                                                                            with <M> must be activated
                                                                                                                                                                                               should start “dmseg” in a
                                                                                                                            4. Under Device Drivers,
                                                                                                                            Multimedia Support, Video                                          shell and check to see if the                    Since this data is already
                                                                                                                            capture adapters, Altera FPGA                                      NetUP card was success-                        predefined,     there’s    usu-
                                                                                                                            based CI module with <M> must
                                                                                                                            be activated                                                       fully initialized and that its                 ally nothing that needs to
                                                                                                                                                                                               firmware is running. If you                    be changed. If the desired
                                                                                                                                                          4                                    don’t have any patience,                       transponder group is never-
                                                                                                                                                                                               you can start “w_scan -f t -c                  theless still not there, it can
                                                                                                                                                                                               XX” where XX is the country                    easily be added since the
                                                                                                                                                                                               code, for example, DE for                      structure of the data is for
                                                                                                                                                                                               Germany. With the “-ft” op-                    the most part self-explana-
                                                                                                                            5. After compiling the kernel                                      tion you can start a DVB-T                     tory.
                                                                                                                        5   successfully, you should use
                                                                                                                            dmesg to check if the card                                   9     scan. The “-fc” option starts
                                                                                                                            was correctly recognized and                                       a DVB-C scan.                                     The last step involves
                                                                                                                            incorporated into the system
                                                                                                                                                                                                                                              starting Kaffeine and set-
                                                                                                                            6. Two simultaneous channel
                                                                                                                            scans using w_scan; Adapter1                                         When both of the scans                       ting up the recognized DVB
                                                                                                                            is searching for DVB-T                                             have found channels, you                       adapters.    Four   devices
                                                                                                                            channels while Adapter2 is
                                                                                                                            scanning for DVB-C channels                                        can breath easy; the most                      should have been found:
                                                                                                                                                                                               difficult hurdles are behind                   Adapter0/Frontend0 (DVB-
                                                                                                                                                                                               you.                                           T),     Adapter0/Frontend1
                                                                                                                                                                                                                                              (DVB-C)      Adapter1/Fron-
                                                                                                                                                                                                  Since with Ubuntu’s Soft-                   tend0 (DVB-T) and Adapt-
                                                                                                                                                                                               ware Manager its easy to                       er1/Frontend1     (DVB-C).
                                                                                                                                                                                               select and install “Kaffeine”,                 Keep in mind that Apapter0
                                                                                                                                                                                               the first tests with this TV                   corresponds to the “F” con-
                                                                                                                                                                                               software have been com-                        nector next to the CI slot!
                                                                                                                                                                                               pleted. This doesn’t need                      Otherwise you might be
                                                                                                                                                                                               any special explanation: you                   wondering why no channels
                                                                                                                                                                                               should set up the transpon-                    were found…
                                                                                                                                                                                               der list in such a way that
                                                                                                                                                                                               it contains predefined tran-                     Once a scan has been
                                                                                                                                                                                               sponders from your region.                     completed, the channels
                                                                                                                                                                                               You can enter, for example,                    that were found have to be
                                                                                                                                                                                               the following into a shell:                    carried over. Now you can

                                                                                                                                                                                               7. Kaffeine found four devices: DVB-T Nr.1, DVB-C 1 Nr.1, DVB-T
                                                                                                                                                                                               Nr.2 and DVB-C Nr.2. An individual transponder list can be set up
                                                                                                                                                                                               for each device for the channel scan
                                                                                                                                                                                               8. Results of a DVB-T scan in Portugal. Unfortunately, only five
                                                                                                                                                                                               channels are being transmitted on a transponder
                                                                                                                                                                                               9. Kaffeine being used as TV software - display of a DVB-T channel
                                                                                                                                                                                               10. More channels are now available after a DVB-C scan
                                                                                                                                                                                        11     11. VLC can also be used as TV software - here we see a channel
                                                                                                                                                                                               list of a DVB-C transponder

66 TELE-satellite International — The World‘s Largest Digital TV Trade Magazine — 12-01/2012 —                                — 12-01/2012 —   TELE-satellite International — The World‘s Largest Digital TV Trade Magazine   67
12                                                                                  comfortably watch TV with           anything else available on
                                                                                    Kaffeine.   This    software        the market!
                                                                                    comes with all of the typical
                                                                                    functions you’d expect such            And this is exactly where
                                                                                    as time shifting or record-         the NetUP card shines: in
                                                                                    ing.                                the smallest possible space
                                                                                                                        it provides two independent
                                                                                      If you want to get into it        DVB-T/C adapters and two
                                                                                    a little deeper, simply install     CI slots. In this way a mul-
                                                                                    VDR. This ultimate TV soft-         timedia center with living
                                                                                    ware - VDR stands for Video         room compatible boxes can
                                                                                    Disc Recorder - gives you           be created: small size and
                                                                                    everything your heart could         low energy usage are critical
                                                                                    possibly desire in the form of      features here.
                                                                                    plug-ins. Experienced Linux
                                                                                    users can construct them-              The installation and con-
                                                                                    selves a multimedia center          figuration of VDR will not be
                                                                                    that would be far better than       described here; there are
                                                                                                                        far too many features and
13                                                                                                                      it would burst out the sides
                                                                                                                        of this test report. Those
                                                                                                                        who are interested should
                                                                                                                        find out more about yaVDR.
                                                                                                                        This involves a completed
                                                                                                                        distribution in which VDR is
                                                                                                                        already preinstalled with all
                                                                                                                        the important plug-ins and,
                                                                                                                        as a bonus, also includes
                                                                                                                        XBMC. Naturally the Kernel
                                                                                                                        most also be recompiled

                                                                                                                          The NetUP Dual DVB-T/C-
                                                                                                                        CI is specifically meant for
                                                                                                                        professional     applications;
                                                                                                                        it has enhanced the IPTV
                                                                                                                        product palette of this man-
                                                                                                                        ufacturer. In the 10-11/2011
                                                                                                                        issue of TELE-satellite the
                                                                                                                        NetUP DVB-IP Gateway 4x
                                                                                                                        was tested and in the 02-
                                                                                                                        03/2011 issue the NetUp sis-
                                                                                                                        ter card Dual DVB-S2-CI was

                                                                                                                          These two PCI-e cards,
                                                                                                                        the NetUP Dual DVB-T/C-CI
                                                                                                                        and the NetUP Dual DVB-
                                                                                                                        S2-CI were designed to be
                                                                                                                        installed into IPTV servers.
                                                                                                                        With that in mind, two of
                                                                                  12. The NetUP card was also incorporated into a VDR system
                                                                                  without any problems. The advantage here: while one adapter is
                                                                                  responsible for displaying pictures, the second adapter keeps the
                                                                                  channel list current in the background
                                                                                  13. A test PC receives four streams in parallel from the IPTV server
                                                                                  that is equipped with a NetUP Dual DVB-T/C-CI
                                                                                  14. Example of how VLC can operate as a streaming server

68 TELE-satellite International — The World‘s Largest Digital TV Trade Magazine — 12-01/2012 —
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these cards can be installed                                                        as the source and http://           three additional computers
                                                                                                                                                                                                                                 IPTV Software and Hardware Producer, Russia
                                          clients in an attempt to sim-                                                                                 Mbps network; 1000 Mbps           they use specialized stream-
in a standard 1U rack. With               ulate a network load. We                  ipt v-addr e s s:por t /s tr eam    we opened four VLC windows      networks are not so unusual       ing programs for the com-
a corresponding network                   wanted to see how difficult               must be entered where “ip-          with various channels on        anymore today and when it         mand lines. This has the
connection and software the               it would be to set up an IPTV             tv-address” is the IP address       each of them. A total of 16     involves new construction,        advantage of being able to
customer‘s    requirements                server with NetUP cards.                  of the server, “port” is the        channels were streamed in       it’s a good idea to use the       operate the IPTV server
can be solved at an attrac-                                                         port identified in the con-         parallel. The feared network    proper cabling.                   without a monitor; Secure-
tive price.                                  We installed the well-                 figuration data and “stream”        bottleneck never happened.                                        Shell (ssh) is used for ac-
                                          known VideoLAN VLC soft-                  is the corresponding stream         Instead an Asus EeePC             Real professionals natu-        cess instead. An example of
   A server can be equipped               ware on the server and the                for each channel. Our ex-           turned out to be too slow to    rally don’t even use VLC as       just such an IPTV stream-
with two of these cards                   clients. This involves an                 ample data can be seen in           play back four MPEG4 chan-      streaming software, instead       ing software is MumuDVB.
thus providing four com-                  open-source project that                  Figure 15.                          nels at the same time. A look
                                                                                                                                                        15. A VLC window is running as a server on the IPTV server making
plete transponders to the                 is available for a variety of                                                 at the network load showed      the streams available. As a test four additional VLC windows are
network. These can then be                platforms. The advantage                    To test this set up we            that there were still enor-     running as clients and display four different channels in parallel
received by IPTV receivers.               of this solution is the ease              opened four VLC windows             mous reserves available as      16. Network load with 16 parallel streamed channels in MPEG-4
Hotels could then build up                in which our needs could                  and streamed four streams           can be seen in Figure 17.
                                                                                                                                                        17. MumuDVB streams a complete DVB-C transponder; czap keeps
an inexpensive bouquet of                 be implemented. Configu-                  parallel to each other as                                           an eye on the reception quality at the same time
channels out of DVB-T and                 ration data must be set up                you can see in Figure 16. On          Our network was a 100         18. Simultaneous presentation of the MumuDVB IPTV stream; a    
                                                                                                                                                        real studio feeling comes over you!
DVB-C transponders that                   for the server. We chose the
could then be made avail-                 http-protocol since it can be            16                                                                   17
able to individual rooms.                 directly used without any
Ideal is the fact that en-                excessive network configu-
crypted transponders can                  ration so that PCs with vari-
easily be decrypted with just             ous IP addresses can access
one SmartCard and then re-                the server; that’s what a
streamed further down the                 Unicast solution is all about:
line. This makes it simple                a stream is made available
to make encrypted DVB-T/C                 for each client in the net-
channels available in the                 work.
IPTV stream.
                                            In the configuration data
  We thought it would be in-              each channel must have a
teresting to set up an IPTV               row added that identifies
streaming server in our test              what channel is to be made
labs which would then be                  available on what stream.
used to drive a number of                 The VLC clients have to
PCs that would act as IPTV                choose network streaming
15                                                                                                                                                      18

70 TELE-satellite International — The World‘s Largest Digital TV Trade Magazine — 12-01/2012 —                                                                — 12-01/2012 —   TELE-satellite International — The World‘s Largest Digital TV Trade Magazine   71
                                                                                                                        for professional applications.
                                                                                                                        It would also play an inter-
                                                                                                                        esting role in the set up of
                                                                                                                        a compact multimedia center
                                                                                                                        because it would take up only
                                                                                                                        one PCI-e slot and yet pro-

This software doesn‘t cost
anything to use and can be
loaded as source code or it
can be installed as a com-
plete package for most Linux              able to stream entire bou-                                                    vide two individual adapters
distributions. Aside from                 quets with an IPTV server                                                     that would support not only
                                          via Multicasting, make sure               fer additional services such        DVB-T and DVB-C, but per-
that, Multicast, not Unicast,
                                          you use compatible routers                as video-on-demand as well          haps also Mini-ITX mother-
is used to provide the IPTV
                                          and switches. To really test              as function as a DHCP server        boards as well. These come
stream to large networks.
                                          the limits of the NetUP Dual              and Internet gateway. This          with one PCI-e slot, if any at
In this case the entire IPTV
                                          DVB-T/C-CI, we decided to                 type of flexibility is rare with    all; up until now they weren’t
stream is available in the
                                          stream a DVB-T transponder                broadcasting equipment.             a very popular choice to use.
network and each client is
able to access this stream.               at the same time. The card                                                    This all changes with the
                                          did not even blink when we                  Traditional        installers     NetUP card. Throughout our
In order for this to work, the
                                          did this; it functioned per-              should set themselves apart         entire test in which we put
network infrastructure must
                                          fectly as you might expect                with this IPTV technology           the card through its paces,
include routers that can han-
                                          from a professional product.              since it has been more and          there were no stability or
dle Multicasting.
                                                                                    more playing a key role when        heat problems. It’s clear that
                                            The NetUP Dual DVB-T/C-                 it comes to community-              this card was designed for
   In order to test an actual
                                          CI is a professional card                 based systems, multi-family         long-term use.
professional     configuration
                                          perfectly suited for use in               homes and hotels. A single
with Multicasting, we took
                                          IPTV servers. Because of                  cable can provide IPTV, In-           We were very impressed
an entire DVB-C transpon-
                                          the ability to use two of                 ternet and VoiP telephone.          with the capabilities of the
der and streamed it into our
                                          these cards in a server, the                This card is not only meant       NetUP Dual DVB-T/C-CI!
network with our own home-
made IPTV server with the                 operator can stream up to
                                          two DVB-T and two DVB-C
IPTV protocol “RTP”. This
had a real “broadcasting                  transponders. Naturally, you                                         Expert Opinion
feeling” to it! We were able              could also combine the Net-                    Two independent tuners
                                          UP Dual DVB-T/C-CI with a                      Each tuner can process DVB-C or DVB-T
to open all 12 channels at
the same time on our PC.                  NetUP Dual DVB-S2-CI card.
                                          The advantage to building
                                                                                   +     Excellent reception capabilities
One thing though, our switch
gave us some problems; as                 your own IPTV server is that
it turns out, it wasn’t really            you can customize it to the                                                                  Vitor Martins Augusto

                                          needs of your customers. A                     Only for Linux                                       Test Center
compatible with Multicast-                                                                                                                       Portugal

ing. If you really want to be             server like this can also of-

72 TELE-satellite International — The World‘s Largest Digital TV Trade Magazine — 12-01/2012 —

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