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Popis výstupov satelitného LNB a multiprepínačových vstupov sú závislé na ich výrobcoch. Aby sa predišlo nejasnostiam, naše video ilustruje rozdiely a objasňuje problematiku.
€674.78
| Cena s DPH | Zľava | Počet | Platnosť |
|---|---|---|---|
| €674.78 | 0 % | od 1 ks. |
K dispozícii
Multiswitch spolupracuje s dvoma LNB. Je navrhnutýpre stredné a veľké 9-káblové SMATV systémy, aj vo viacposchodových budovách (rozdelenie na podsiete).
Detaily
Terra multiswitches of MV series have been designed for medium and large 9-cable SMATV systems, also in multi-staircase buildings (with division into subnetworks).
The MV-932L R70882 multiswitch has built-in amplifiers for terrestrial and satellite TV. The adjustment of the SAT IF and DVB-T (47-790 MHz) gain is made with dedicated switches. In comparison with potentiometers, this solution increases stability of the adjustments.
The active DVB-T path has LTE filter for eliminating unwanted signals in 800 MHz band (791-862 MHz) coming from LTE services.
The die-cast housing provides high screening efficiency by preventing the penetration of interfering signals to the unit. High output levels and built-in compensation of the increased loss of signals at higher frequencies in the distribution cables allow for building large SMATV systems with subscriber lines up to 80 meters.
Distinguishing features
- 9/32 multiswitch for systems with radial topology
- Built-in cable loss correction
- Groups of outputs with different output levels
- Isolation between inputs better than 30 dB
- Powering of optional terrestrial TV preamplifier
- Active terrestrial TV path with LTE filter (47-790 MHz)
- Die-cast housing guarantying high screening efficiency (class A)
Recommended Library titles:
* two carriers, DIN45004B
Technické dáta
| Product type | Multiswitch | ||
| 2 × quatro | |||
| Series | MV-9xx | ||
| Model | MV-932L | ||
| Brand | TERRA | ||
| type | final | ||
| classic | |||
| Type of cooperating converter | Quatro | Yes | |
| Wideband | No | ||
| 9 | |||
| Legacy | 32 | ||
| RF path | Active | Yes | |
| Preamplifier power supply | No | ||
| Device specifications | |||
| Input | RF band | MHz | 47-790 |
| SAT IF band | MHz | 950-2150 | |
| Gain control in RF path | dB | 0...-15 with step 1 | |
| gain control in SAT IF path | dB | 0...-12 with step 4 | |
| Output | RF band | MHz | 47-790 |
| SAT IF band | MHz | 950-2150 | |
| dBµV | 88 | ||
| dBµV | 88 | ||
| dBµV | 86 | ||
| dBµV | 86 | ||
| dBµV | 84 | ||
| dBµV | 82 | ||
| SAT IF signal level on outputs 1-16 | dBµV | 93 | |
| SAT IF signal level on outputs 17-24 | dBµV | 93 | |
| SAT IF signal level on outputs 25-32 | dBµV | 93 | |
| SAT IF path gain – built-in pre-correction of cable attenuation characteristics | outputs 1-4 | dB | 7...12 |
| outputs 5-8 | dB | 7...12 | |
| outputs 9-12 | dB | 6...10 | |
| outputs 13-16 | dB | 6...10 | |
| outputs 17-24 | dB | 5...8 | |
| outputs 25-32 | dB | 4...6 | |
| RF path amplification – built-in pre-correction of cable attenuation characteristics | outputs 1-4 | dB | 4...9 |
| outputs 5-8 | dB | 4...9 | |
| outputs 9-12 | dB | 3...7 | |
| outputs 13-16 | dB | 3..7 | |
| outputs 17-24 | dB | 2...5 | |
| outputs 25-32 | dB | 1...3 | |
| Input separation | SAT IF | dB | >30 |
| Output separation | FM TV | dB | >35 |
| SAT IF | dB | >30 | |
| Return loss | TV/SAT | dB | >30 |
| SAT/RF | dB | >40 | |
| Power on RF inputs | H/Lo, H/Hi | V | 18 |
| V/Lo, V/Hi | V | 14 | |
| Current drawn | from receiver | A | 0,06 |
| from H line or external power supply 18 VDC | A | <0.16 | |
| Control signals | 14/18 V, 0/22 kHz, tone burst, DiSEqC 1.0, DiSEqC 2.0 or related | ||
| Remotely powered | No | ||
| Built-in power supply | No | ||
| Screening efficiency class | A | ||
| Compliance with relevant national legislation | Yes | ||
| Power supply | V/Hz | DC 18 | |
| Pracovná teplota | °C | -20...+50 | |
| Dimensions | mm | 267 × 135 × 50 | |
| Weight | kg | 1,86 | |
Filmy
Plánovanie siete a dizajn s využitím hárku papiera a ceruzky je pracná a nesie so sebou riziko chýb. Bezplatný softvér od firmy TERRA - SatNet - umožňuje navrhnúť inštalácie založené na zariadeniach vyrábané touto spoločnosťou. Program umožňuje pripraviť projekt v grafickej podobe, zistiť úrovne signálu vo všetkých zásuvkách, overiť či sú v súlade s normami a potom rozhodnúť, či chcete použiť vyrovnávaciu funkciu zosilňovača. Program umožňuje užívateľovi tieto návrhy archivovať.
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