9/8 Multiswitch: TERRA MV-908L (active terr. path, class A, w/o PSU)

Code: R70858
€243.76
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Multiswitch designed for cooperation with two Quatro LNBs and terrestrial TV antenna, for applications in medium and large 9-cable SMATV systems, also in multi-staircase buildings (with division into subnetworks).
• 9/8 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)

Warranty

4-year warranty.

Support

Details

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-908L R70858 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 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.
The multiswitch can be powered via "H" lines from SA-901 R70901 amplifier or from local power supply R71465. Each of the power sources can feed a number of multiswitches (one multiswitch consumes max 100 mA).
Distinguishing features
  • 9/8 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)
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Specifications

Product type Multiswitch
Number of LNBs 2 × quatro
Series MV-9xx
Model MV-908L
Brand TERRA
type final
classic
Applications Indoor
Type of cooperating converter Quatro Yes
Wideband No
No. of inputs 9
No. of outputs Legacy 8
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
poziom sygnału RTV na wyj. 1-4 dBµV 88
poziom sygnału RTV na wyj. 5-8 dBµV 88
SAT IF signal level on outputs 1-8 dBµV 93
SAT IF path gain – built-in pre-correction of cable attenuation characteristics outputs 1-4 dB 9...14
outputs 5-8 dB 8...12
RF path amplification – built-in pre-correction of cable attenuation characteristics outputs 1-4 dB 4...9
outputs 5-8 dB 3.5...8
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
Die-cast enclosure Yes
Remotely powered Yes
Built-in power supply No
Screening efficiency class A
Compliance with relevant national legislation Yes
Power supply V/Hz DC 18
Operating temperature °C -20...+50
Dimensions mm 187 × 135 × 52
Weight kg 1.26

Videos

How to connect a Quatro LNB to Terra multiswitch

Descriptions of the satellite LNB outputs and the multiswitch inputs depend on their manufacturers. To avoid confusion, our movie illustrates the differences and clarifies the issue.

Designing SMATV systems with TERRA SatNet software

Designing antenna systems with the use of free software from TERRA - SatNet application. The program allows to prepare the project in graphical form, to determine signal levels in all outlets and verify if they are compliant with standards, and to decide whether to use equalization function of the amplifiers. The program enables the user to archive the designs.