A few lecture on how to know more on diseqc connections
*What is DiSEqC, connectivity options*
DiSEqC (Digital Satellite Equipment Control) -Protocol communication between a satellite receiver and other devices - such as switches, positioners, etc. To send the signal using a coaxial cable. Mode communication via cable - single or double-sided, to supply power. The standard provides compatibility with conventional switching voltage 13/17 volt and 22 kHz tone.
protocol DiSEqC is used to control devices in the receiving system for satellite television. DiSEqC commands are sent through the DC voltage using a frequency of 22kHz tone packages (± 20%) and the nominal amplitude of 650mV (± 250mV) at a supply voltage 13 /18V. Taking into account the cable loss and allowable error DiSEqC-detector device should continue to operate at lower amplitude to 300mV.
The standard defines multiple levels, which can run DiSEqC-device. Each level requires a set of generated /executable commands and features. Compatibility levels "down", ie the receiver to support a higher level of working with a peripheral lower level. In practice, this rule is not always. For example, almost all modern digital receiver supports DiSEqC 1.2 (work with positioner) and it does not support DiSEqC 1.1 (to work with an expanded set of switches). Another exception to the rule: any receiver that supports DiSEqC 1.0, the switch must support and Tone Burst - in fact, half the receivers may not work with this switch.
There are several options for DiSEqC: The lowest level - mini-DiSEqC or Tone Burst. It does not have "digital" designation and, in fact, not part of the technology DiSEqC, Tone Burst but the device can operate in a single system with "real" devices DiSEqC. Therefore, the standard defines this level as "DiSEqC-compatible" - is compatible with DiSEqC.
[6/28, 12:26 PM] +234 803 437 8630: 1. DiSEqC 1.0 - allows you to switch between 4 satellites;
2. DiSEqC 1.1 - allows you to switch between the 16 satellites;
3. DiSEqC 1.2 - allows you to control the positioner;
4. DiSEqC 2.0 - adds a two-way communication mode to DiSEqC 1.0.
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