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Topic: DiSEqC


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In the News (Sat 12 Dec 09)

  
  What is DiSEqC? DiSEqC is an open standard that stands for Digital Satellite Equipment Control
DiSEqC messages are sent as sequences of short bursts of 22KHz tone modulated on the LNB power supply carried by the coax cable from the LNB input on the receiver (the master).
This is followed by a number of Data bytes to pass on numbers relevant to the command (such as the angle required from a separate polariser).
DiSEqC system has been designed primarily to meet the problem of two-satellite, two-band systems with ease.
www.solidsignal.com /tech_faqs_05.asp   (701 words)

  
 Eutelsat : DiSEqC specifications for satellite receiver and peripheral equipment communications
Full specifications and associated documentation for the DiSEqC™ (Digital Satellite Equipment Control) system, which is a communication bus between satellite receivers and peripheral equipment using only the existing coaxial cable.
DiSEqC™ can be integrated into consumer satellite installations to replace all conventional analogue switching, providing a standardised digital system with non-proprietary commands and enabling switching in multi-satellite installations.
Eutelsat is now considering the best way to incorporate this new protocol (if possible) in to the DiSEqC™ standard to ensure compatibility with all other DiSEqC™ products on the markets.
www.eutelsat.com /satellites/4_5_5.html   (219 words)

  
 WeetHet - Satellite - Television - What is DiSEqC?
DiSEqC additionally uses digital commands to control equipment (naturally, both receiver and switch must be DiSEqC compatible).
This switch is a specific DiSEqC compatible switch using both the 14/18 Volts cuurency and the 22 kHz Tone-Burst for control purposes.
DiSEqC Version 1.0 allows you to connect up to 4 receivers to your receiver, where the receiver (master) controls the switch (slave) by sending digital commands for selecting the desired LNB.
www.weethet.nl /english/sat_diseqc.php   (1206 words)

  
  Satelitska-tv.com - Satellite equipment - DiSEqC equipment
Before the introduction of DiSEqC you had to add one cable, which would connect another LNB to your receiver, or if your receiver had only one LNB line-in you had to add a 22kHz switch, which would be used to switch between both LNB’s.
DiSEqC equipment is manufactured today by nearly all manufacturers of satellite equipment and its price made it available to everybody.
By using a satellite receiver with this DiSEqC you can control up to four universal or normal LNB’s and therefore you can watch programs emitted by four satellites, which signals can be received either by one or by up to four antennas.
www.satelitska-tv.com /diseqc_oprema.asp   (1361 words)

  
 VTVsat.com : Frequently Asked Questions : A test version   (Site not responding. Last check: 2007-10-02)
DiSEqC messages are sent as sequences of short bursts of 22KHz tone modulated on the LNB power supply carried by the coax cable from the LNB input on the receiver (the master).
This is followed by a number of Data bytes to pass on numbers relevant to the command (such as the angle required from a separate polarizer).
DiSEqC system has been designed primarily to meet the problem of two-satellite, two-band systems with ease.
www.vtvsat.com /diseqc.htm   (695 words)

  
 DiseqC 1.2 and 1.0 Humax - Free to Air Satellite Forums (Asia Pacific)
With this setup the humax is using Diseqc 1 if it is using one port of the 12V or 22khz switch and it is using Diseqc 1.2 using the other port.
diseqc switch is nearly 20 meters away and v-box is next to TV i have not had any problems.
You can use a diseqc switch after that switch on the port that doesn't go to the vbox but you cant use a diseqc switch on the port that goes to the vbox.
www.vetrun.com /forums/showthread.php?t=122   (1294 words)

  
 DiSEqC - Satwell
The DiSEqC VT-DS 8/1 is the perfect solution for those that have a substantial satellite antenna farm they can call their own and would prefer to have only one cable routed to their receiver.
DISEqC 2.0 SPAUN 4/1 - SAR 411 WSG
DISEqC 2.0 SPAUN 2/1 - SAR 212 WSG
www.satwell.com /lista.php?id=57&l=&w=   (148 words)

  
 [mythtv] diseqc
IIRC, previously the various switches were selected by a "DiSEqC Port" value set by the user, which was written into the diseqc_port field of the cardinput table.
The general idea seems to be to populate the setup UI with a number of inputs based on the diseqc configuration selected, and then number the ports accordingly.
Anyway, if you were to simply pre-populate the input list with the number of motor possibilities * the number of switch possibilities (the most obvious way to extend this system), it would be really difficult to set up, since you normally have a very sparse set of positions and ports that are useful.
mythtv.org /pipermail/mythtv-dev/2006-May/048085.html   (593 words)

  
 DiSEqC 1.2 - 2 on 1 RG6 cable?? - Free to Air Satellite Forums (Asia Pacific)
It seems that the switch is slower than the diseqc 1.2 command so the wrong dish moves.
I have a vbox and a moteck Diseqc motor connected to the 1 receiver.
Works great with a 2 port Diseqc switch with a vbox on one port and a moteck motor on the other.
www.vetrun.com /forums/showthread.php?t=205   (644 words)

  
 DiSEqC   (Site not responding. Last check: 2007-10-02)
DiSEqC kann durch die digitale Abtastung des 22 kHz-Signals verschiednee Steuerbefehle aussenden.
DiSEqC 2.0 - vergleichbar mit 1.0, zusätzlich Anname von Befehlen durch das LNB möglich
Dank DiSEqC kann selbst bei Einzelanlagen auf recht einfache Weise die Steuerung als Drehanlage realisiert werden.
www.transponder-news.de /transponder_news_diseqc_diseqc.htm   (326 words)

  
 DiSEqC   (Site not responding. Last check: 2007-10-02)
Dieser Bericht soll sich von den bisher veröffentlichten unterscheiden und eine Hilfestellung für den Techniker sein, der beim Kunden DiSEqC Komponenten installiert und sich daher technisches Hintergrundwissen zu DiSEqC aneignen muß.
Damit ein fließender Übergang möglich ist, kann DiSEqC zusätzlich zu den vorhandenen analogen Schaltkriterien eingesetzt werden.
In den Perepheriekomponenten dagegen ist etwas mehr Aufwand nötig, hier muß ein kleiner maskenprogrammierter Microcontroller (83C750) implementiert werden, der jedoch einen Teil der bisherigen Auswertelogik ersetzen kann.
www.satshop.com /diseqc.htm   (2550 words)

  
 DiSEqC - Wikipedia, the free encyclopedia
DiSEqC 1.2, which allows switching between up to 16 sources, and control of a simple horizontal-panning satellite motor
They are all back compatible - a DiSEqC 2.0 receiver can control a 1.0 switch; but a 1.0 receiver cannot control motorised features.
As a result, the vast majority of European satellite receivers support at least DiSEqC 1.2, with the notable exception of the Sky Digibox, an extremely popular DVB-S receiver.
en.wikipedia.org /wiki/DiSEqC   (345 words)

  
 What is DiSEqC ?   (Site not responding. Last check: 2007-10-02)
DiSEqC is a new control protocol to receive digital and analog satellites in the EUROPEAN satellite reception system for the digital future.
The mini DiSEqC (command) is a "Simple Tone Burst", but is not same as Tone Burst of continued 22KHz and it is only used to select satellite-A/satellite-B in order to reduce the receiver's software size (i.e.
DiSEqC is an OPEN STANDARD with additions controlled by industry agreement.
www.soontai.com /da_whatdiseqc.html   (205 words)

  
 DiSEQc switch - Sat Industry Forums
When I go I701 without the diSEQc inline, I get pics (signal quality 50 to 60), when I put the diSEQc inline (for B3 also), there is no signal quality on I701 and B3 works ok. I have a Humax 5400 allcammed from Hot**ips.
I checked with a meter at the diSEQc 4 way switch to insure that when I change from A, B, C or D that the switch (voltage) changed to the relevant input, both with the vertical and horizontal.
If so then when you go from diseqc to any motorized dish, there is NO diseqc command sent to go to diseqc x (where x is where the motorized dish is).
www.sat-industry.net /forums/showthread.php?t=746   (848 words)

  
 Telesputnik - N10(108) - DiSEqC™
Стандарт DiSEqC™ уже был подробно описан в "Теле-Спутнике" [1].
Сегодня оборудование DiSEqC используется практически в каждой индивидуальной приемной системе.
Система DiSEqC™ была задумана как универсальная технология для управления любым пери-ферийным оборудованием, как существующим, так и могущим появиться в будущем.
www.telesputnik.ru /archive/n108/013.html   (258 words)

  
 2x1 DiSEqC Switch   (Site not responding. Last check: 2007-10-02)
A typical application is the switching of 2 universal LNBs, where the receiver's 13/18V and 22KHz tone is used to control the LNB, and DiSEqC controls the switch.
The switch, in a screened metal box, is enclosed in a rain proof plastic cover that protects the switch and the three connectors.
DiSEqC is a method of controlling satellite accessories using data signals fed along the coax.
www.globalcom.co.uk /accesories/2x1diseq.html   (120 words)

  
 Adjustable LNB Power Pupply Is DiSEqC Compatible - Maxim/Dallas
DiSEqC provides a 22kHz pulse-position-modulated signal of about 0.6V amplitude, superimposed on the LNB's DC power rail.
This output connects to the IRQ or port pin of a microcontroller (not shown) for decoding.
The DiSEqC transmitter consists of transistor Q1 and an LED (D1), which acts as a transmit indicator and also as a constant-voltage source that forces a relatively constant current of about 40mA through Q1.
www.maxim-ic.com /appnotes.cfm?an_pk=1777   (517 words)

  
 Satelliten-Direktempfang
DiSEqC braucht man erst, wenn man zwei oder mehr Sat-Positionen ansteuert.
Eine umfgangreiche Erklärung aller Varianten und Möglichkeiten finden Sie in der Broschüre "DiSEqC für Techniker" (pdf-Format).
DiSEqC 1.1 ist eine Erweiterung von 1.0 und zu diesem voll abwärtskompatibel.
www.beitinger.de /sat/diseqc.html   (1024 words)

  
 Diseqc 1.2 positioner   (Site not responding. Last check: 2007-10-02)
Diseqc 1.2 to standard 36 V DC Motor interface.
A Diseqc 1.2 compatible positioner for old 24/36V DC Motor positioner.
To solve the problem, with a friend Diego Bertolotti we have made a converter that understand the Diseqc Protocol and directly move the 36 V DC Motor using a single Philips Micro controller 87LPC764.
www.viara.cn /diseqc   (126 words)

  
 Diseqc woes
At first I thought I may have had a bad diseqc switch, but I replaced it today, and verified for the umpteenth time that it is plugged in correctly and I still have the same issue.
I have disconnected the diseqc and plugged the satellites in again, one at a time and each satellite works individually (after disabling diseqc on the sat profile of course).
I searched and found an article that the fix was to move the diseqc switch closer to the reciever, so I cut off all excess slack from the cables, and it made no difference.
forum.ecoustics.com /bbs/messages/2/288797.html   (2238 words)

  
 2 direct tv sat with diseqc switch
(3) 4x1 diseqc switch;Probably the most widely spread and unreliable switch on the market.Performance level is abysmal.Does NOT like 2 different types of LNB,long cable runs,water,humidity,or anything else.Best brand by far for a good price is Chieta,and Spaun for high end...better be for the money.
Three LNB;s to one receiver...........As much as we hate to say so,the 4x1 diseqc switch is the simplest(although not the most efficient) switch for this job.As the cost of these has dropped,so has the quality.
Four LNB's to one receiver..........Again,reluctantly,the 4x1 diseqc is the simplest choice.
forum.ecoustics.com /bbs/messages/2/167491.html   (1196 words)

  
 Форумы Sat-Digest :: Просмотр темы - DRE-4000 и DiSEqC 10/1 - помощь
DiSEqC протокол 1.1 или 2.1 ("cascaded switch" or "uncommited switch" команды DiSEqC 1/1 - 3/2 или DiSEqC 1 - 10, до 10 LNB) режим устанавливается, послав подряд две DiSEqC команды в коммутатор: ЕО F0 48 55 80 7F и Е2 F0 49 55 F0 02 (ЕЕРRОМ 02h).
DiSEqC протокол 1.1 или 2.1 (команды "uncommited switch" DiSEqC 1 - 10, до 10 LNB), режим устанавливается, послав подряд две DiSEqC команды в коммутатор: Е0 FО 48 55 80 7Р и Е2 F0 49 55 FА 05 (ЕЕРRОМ 05h).
DiSEqC протокол 1.2 или 2.2 (программируется с помощью дистанционного пульта приемника как позиционер, до 10 LNB), режим устанавливается, послав подряд две DiSEqC команды в коммутатор: Е0 F0 48 55 80 7Р и Е2 Р0 49 55 F9 06 (ЕЕРRОМ 06h).
www.sat-digest.com /forum/viewtopic.php?p=92072   (527 words)

  
 Diseqc switches for satellite receivers
The DiSEqC 4x1 switch will enable the user to select one LNB signal between 4 different LNBs of any type.
The DiSEqC 2X1 switch will enable the user to select one LNB signal between 2 different LNBs of any type.
High End 2 x 1 DiSEqC switch with weather cover If you want the best switch available this is it.  Weather cover keeps moisture off the switch.
www.nysretail.com /index.php?main_page=index&cPath=1   (160 words)

  
 [linux-dvb] Re: Diseqc and skystar2.
This is why I posted the tone burst patch: you can issue commands to mt312 on the skystar2, but the chip is not wired to the antenna cable.
Up to revision 2.3 of the card, diseqc and tone burst signals are generated by the flexcop.
Previous by thread: [linux-dvb] Re: Diseqc and skystar2.
www.linuxtv.org /mailinglists/linux-dvb/2003/12-2003/msg00014.html   (331 words)

  
 [patch] diseqc and DVB-s | MythTV | Dev
Working on the mythchannels stuff for adding DVB channels, I've just realized that diseqc port should not be at channels_dvb table.
When diseqc support will be available, if the diseqc setup changes, the channel will be simply lost.
The way to solve this is to add a satellite table, each satellite defined there could then have a diseqc port defined there, and then the channels points just to what they have to: a satellite.
www.gossamer-threads.com /lists/mythtv/dev/11153   (420 words)

  
 iXBT: AVerTV DVB-S - спутниковый тюнер от AVerMedia
DiSeqC 1.x позволяет управлять включением или переключением определенного числа внешних устройств (конвертеров, коммутаторов, позиционеров).
DiSEqC 2.x дополнительно позволяет получать подтверждение выполнения команды.
DiSeqC 3.x обеспечивает диалог между ресивером и периферийными устройствами.
www.ixbt.com /monitor/aver-dvb-s.shtml   (1099 words)

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