Johansson 9744MC User Manual
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Johansson 9744MC User Manual

Scr multiswitch
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User Manual

SCR Multiswitch
Ref. 9744MC, 9746MC, 9748MC

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Summary of Contents for Johansson 9744MC

  • Page 1: User Manual

    User Manual SCR Multiswitch Ref. 9744MC, 9746MC, 9748MC...
  • Page 2 Digital SCR Multiswitch (Ref: 9744MC, 9746MC, 9748MC) No part of this manual may be copied, reproduced, transmitted, transcribed or translated into any language without permission. Unitron reserves the right to change the specifications of the hardware and software described in these manuals at any time.

  • Page 3: Table Of Contents

    Digital SCR Multiswitch (Ref: 9744MC, 9746MC, 9748MC) ONTENTS 1. I ................4 NTRODUCTION Product description .................... 4 Package contents ....................4 Mounting ......................5 Typical application for MultiChoice ............... 6 2. I ............7 NSTALLATION OF THE HARDWARE 3. C ............

  • Page 4: Introduction

     The DC power can be inserted at any product. In cascaded systems, multiple power supplies might be needed, see “Diagnostic LED’s” for more information. The Johansson reference for the powersupply is 2460. Package contents ...

  • Page 5: Mounting

    Digital SCR Multiswitch (Ref: 9744MC, 9746MC, 9748MC) Mounting 9744MC 98 mm 179 mm 9746MC 179 mm 179 mm 9748MC 377 mm 179 mm...

  • Page 6: Typical Application For Multichoice

    Digital SCR Multiswitch (Ref: 9744MC, 9746MC, 9748MC) Typical application for MultiChoice...

  • Page 7: Installation Of The Hardware

    Digital SCR Multiswitch (Ref: 9744MC, 9746MC, 9748MC) 2. I NSTALLATION OF THE HARDWARE The optional power supply (ref 2460) can feed multiple multiswitches. Amount of products Ref. per power supply 9744MC 9746MC 9748MC The four trunks are DC isolated from each other, so 13 V and 18 V can be supplied separately from trunk out to trunk in.

  • Page 8: Configuration Of The Module

    Digital SCR Multiswitch (Ref: 9744MC, 9746MC, 9748MC) 3. C ONFIGURATION OF THE MODULE STB Power to Trunk Switch  OFF  This is the default state, as trunks will feed all cascaded units and the LNB. Power comes from DC inserted at the “DC Input” of 1 or more cascaded units.

  • Page 9: Dscr Modes

    Digital SCR Multiswitch (Ref: 9744MC, 9746MC, 9748MC) dSCR Modes: SCR mode: Slow blinking GREEN Legacy mode: Solid GREEN The 974xMC can work in two modes on each output independently – SCR Mode and Legacy Mode. The default mode is Legacy Mode. The module will automatic switch from Legacy to SCR mode upon the first DiSEqC command when a SCR set top box is connected.

  • Page 10: Echnical Pecifications

    Digital SCR Multiswitch (Ref: 9744MC, 9746MC, 9748MC) 4. T ECHNICAL PECIFICATIONS 9744MC 9746MC 9748MC Satellite Operating Frequency 950 – 2150 MHz Range Inputs Outputs * (Trunk) Max and Min Input -35 to -5 dBm Txp Power Level Trunk lines in to out -2.5 (-1.5 Typical)
  • Page 11 Digital SCR Multiswitch (Ref: 9744MC, 9746MC, 9748MC) *: Unused ports needs to be terminated by 75 Ohm DC-blocked terminator DC Power Unit can be powered via PWR port, trunk lines or outputs DC Power Connector (all F-types) Power Indication Green LED (front of unit)

  • Page 12: Safety Instructions

    Digital SCR Multiswitch (Ref: 9744MC, 9746MC, 9748MC) 5. S AFETY NSTRUCTIONS Read these instructions carefully before connecting the unit To prevent fire, short circuit or shock hazard:  Do not expose the unit to rain or moisture.  Install the unit in a dry location without infiltration or condensation of water.

  • Page 13: Conditions Of Warranty

    Digital SCR Multiswitch (Ref: 9744MC, 9746MC, 9748MC) 6. C ONDITIONS OF WARRANTY Unitron N.V. warrants the product as being free from defects in material and workmanship for a period of 24 months starting from the date of production indicated on it.
  • Page 14 Digital SCR Multiswitch (Ref: 9744MC, 9746MC, 9748MC)
  • Page 15 Digital SCR Multiswitch (Ref: 9744MC, 9746MC, 9748MC)
  • Page 16 Digital SCR Multiswitch (Ref: 9744MC, 9746MC, 9748MC) UNITRON NV Frankrijklaan 27 B-8970 Poperinge Belgium T +32 57 33 33 63 F +32 57 33 45 24 sales@unitrongroup.com www.unitrongroup.com...

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