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Switching units (multiswitches)

Multi-switches with remote power supply TERRA MSV908, MSV912, MSV916

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Manufacturer:
System:
type of equipment:

 

 

Advantages:
  • - multi-switches are designed to build large distribution systems of intermediate frequency of СТВ;
  • - powered by H lines of the trunk;
  • - length of subscriber lines is up to 80 meters;
  • - four amplification regulators for satellite TV and separate regulator for terrestrial TV;
  • - multi-switches are optimized to work with digital-analogue signals of terrestrial TV;
  • - program reception of terrestrial TV is possible without turning on the СТВ receiver;
  • - indication of the presence of 18 V power supply;
  • - the possibility of an external the power supply from 18 V source:

MSV908

  • 9x8 multi-switch

MSV912

  • 9x12 multi-switch

MSV916

  • 9x16 multi-switch

Technical characteristics:

TYPE

MSV908

MSV912

MSV916

Output number

8

12

16

Frequency range

SAT IF

950-2400 MHz

Terr. TV

47-862 MHz

Amplification factor (fixed pre-correction of amplitude-frequency characteristics)

SAT IF

outputs 1-4

7 ÷ 12 dB

outputs 5-8

6 ÷ 10 dB

outputs 9-12

-

5 ÷ 8 dB

outputs 13-16

-

4 ÷ 6 dB

Terr. TV

outputs 1-4

3 ÷ 7 dB

outputs 5-8

2 ÷ 5 dB

outputs 9-12

-

1 ÷ 3 dB

outputs 13-16

-

0 ÷ 1 dB

Amplification adjustment

SAT IF*

10 dB

Terr. TV

17 dB

Output level for SAT IF (IMD3=35 dB)

93 dBµV

Output level for Terr. TV (DIN45004B)

outputs 1-4

92 dBµV

92 dBµV

92 dBµV

outputs 5-8

90 dBµV

90 dBµV

90 dBµV

outputs 9-12

-

88 dBµV

88 dBµV

outputs 13-16

-

-

86 dBµV

Reverse isolation along the inputs of satellite TV

> 25 dB

Reverse isolation between the outputs

SAT IF

> 25 dB

Terr. TV

> 30 dB

Current consumption from receiver

< 160 mA

Current consumption from the inputs of H polarization or from external power supply source

+12 ÷ +18 V/100mA max

Control signals

14/18V, 0/22 kHz, tone impulse or DiSEqC 2.0

Operating temperature range

-20° ÷ +50° C

Dimensions / Weight (packaged)

170x128x53 mm/0.58 kg

210x128x53 mm/0.68 kg

250x128x53 mm/0.78 kg

* simultaneous regulation of transmission coefficients of upper and lower range of amplifiers

 

Device for control of access mode PC101
Control device PC101 allows to change the access mode of multi-switches MSR908-MSR916, MSV908-MSV916 by means of changing of multi-switches’ reaction on control command on receiver (analogue 14/18 V/ 0/22 kHz and DiSEqC 1.0/2.0).
There are two ways:
- Predicted performance (access to the SAT A, SAT B with the help of DiSEqC commands, access to the SAT A with the help of analogue commands).
- Limited mode (access to the SAT B with the help of analogue or DiSEqC commands).