9/8 Multiswitch: Terra MSR-908 (active terrestrial path)

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  • 9/8 Multiswitch: Terra MSR-908 (active terrestrial path)

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9/8 Multiswitch: Terra MSR-908 (active terrestrial path)
Producer: Terra
FULL DESCRIPTION
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.
Distinguishing features
  • radial topology
  • built-in cable loss correction
  • groups of outputs with different output levels
  • isolation between outputs better than 25dB
  • powering of optional terrestrial TV preamplifier
  • built-in power supply
  • LNB powered through H lines
Specifications of MSR-9XX multiswitches

 

Name

 

MSR-908

MSR-912

MSR-916

Number of outputs

 

8

12

16

Frequency range

SAT TV

MHz

950-2400

Terrestrial TV

MHz

47-862

Gain (typical cable loss correction)

Section 1

(10dB adjustment)

Output 1-4

dB

7-12

Output 5-8

dB

6-10

Output 9-12

dB

-

5-8

Output 13-16

dB

-

4-6

Terr. TV path

(20dB adjustment)

Output 1-4

dB

3-7

Output 5-8

dB

2-5

Output 9-12

dB

-

1-3

Output 13-16

dB

-

0-1

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

dB

93

Maximum output level -  terrestrial TV path (DIN45004B)

Wyjścia 1-4

dB

91

91

91

Wyjścia 5-8

dB

88

88

88

Wyjścia 9-12

dB

-

86

86

Wyjścia 13-16

dB

-

-

83

Isolation between SAT inputs

dB

>25

Isolation between outputs

dB

>25

Crosstalk attenuation

TV/SAT

dB

>=24

SAT/TV

dB

>=45

DC voltages at outputs

V

H/Lo, H/Hi: 18; V/Lo, V/Hi: 14; terr. TV 12

DC current consumption

total

A

<1

14V & 12V

A

<0.5

Maximum current supplying terrestrial TV preamp. (at 12V)

mA

100

Current consumption (from receiver's input)

mA

<60

Control signals

 

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

Power consumption

W

max 30

Operating temperature

C

-20...+50

Dimensions / weight

mm/kg

244.5x128x53/0.9

284.5x128x53/1

324.5x128x53/1.1

The multiswitches are dedicated for small (4-16 outlets) and medium-size (17-70 outlets) installations distributing SAT IF and terrestrial signals. They are suitable for indoor use only.
An important advantage of MSR-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. Additionally, the multiswitches compensate cable characteristics (provide higher levels for higher frequencies).
The device is powered with 220-240VAC power network. All precautions for working with dangerous voltages should be observed!
The following voltages occur at inputs of the multiswitch:
  • 18 V DC at H,lo and H,Hi
  • 14 V DC at V,lo and V,Hi
  • 12 V DC at terrestrial signal input, suitable for powering an antenna preamplifier.
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IdoSell Trusted Reviews
3.88 / 5.00 25 reviews
IdoSell Trusted Reviews
2020-02-22
Bardzo Dobra
2020-04-15
Wszystko super. Dziekuje.
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