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9/24 Multiswitch: TERRA MSV-924 (active terr. path, w/o power supply)
Cod: R70874_old
Multiswitch from well known Terra company that specializes in manufacturing professional RF equipment. The device has been designed for distributing satellite signals to a number of users (SMATV systems). High manufacturing standards, stability, reliability - make Terra multiswitches leading market products. They can cooperate with all satellite platforms.
9/24 Multiswitch: TERRA MV-924L (active terr. path, w/o PSU)
View of the multiswitch
9/24 Multiswitch: TERRA MV-924L (active terr. path, w/o PSU)
Top view

Name

 

MSV-924

MSV-932

Code

 

R70874

R70882

Number of inputs

 

9

9

Number of outputs

 

24

32

Freq. range

SAT IF

MHz

950-2400

Terrestial TV

MHz

47-862

Gain (typical cable loss correction)

SAT TV

10dB adj.

Outputs 1-8

dB

3...8

Outputs 9-16

dB

2...6

Outputs 17-24

dB

1...4

Outputs 25-32

dB

-

0...2

Terr TV 20 dB adj.

Outputs 1-8

dB

-1...3

Outputs 9-16

dB

-2...1

Outputs 17-24

dB

-3...0

Outputs 25-32

dB

-

-4...-2

Maximum output level - SAT IF (IMD3=35dB)

dBuV

93

Maximum output level -  terrestrial TV path (DIN45004B)

Outputs 1-8

dB

91

Outputs 9-16

dB

88

Outputs

dB

86

Outputs 25-32

dB

-

83

Isolation between SAT inputs

dB

>25

Isolation between SAT/TV inputs

dB

>25

Crosstalk attenuation

TV/SAT

dB

>=24

SAT/TV

dB

>=45

Powering through H lines, from external power supply

V

H/Lo, H/Hi-18; V/Lo, V/Hi-14; naz. 12V

Current consumption

total

A

<1

+/14V&+12V

A

<0,5

Control signals

 

14/18V, 0/22kHz, Tone Burst or DiSEqC 2.0

Power consumption

V-Hz, W

120V-50Hz, 4W max

Operating temperature range

C

-20...+50

Dimensions

mm/kg

284,5x128x53/1,1

324x128x53/1,3

 

The multiswitches are designed for cooperation with two Quatro LNBs and terrestrial TV antenna, and allow to build medium and large installations. They are intended for indoor use only.
An important advantage of MSV-9XX multiswitches is diversification of signal levels at different outputs. It allows to compensate the differences in attenuation of various lengths of cables that have to be used in the installation - we can get similar levels in all outlets. The most distant outlets are connected to the outputs with the highest levels and so on.
Additionally, the multiswitches compensate cable characteristics (provide higher levels for higher frequencies).
The multiswitch can be powered with +12 VDC to +18 VDC. It is possible via "H" lines, from SA-901 (R70901) amplifier. Another option is application of local supplier (R71465 18V/800mA).
NOTICE !!!. In the case of using subnetworks and more than one power supply (the local supplier or SA-901 amplifier), it is indispensable to separate the subnetworks switching off DC pass in SS-XXX splitter/tap ("OFF" position). Otherwise the power supplies will be damaged.
The following voltages occur at inputs of the multiswitch:
  • 18 V DC at H,lo and H,Hi inputs
  • 14 V DC at V,lo and V,Hi inputs
 
9/24 Multiswitch: TERRA MSV-924 (active terr. path, w/o power supply)
Cod: R70874_old
 
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