Johansson 9744MC, User Manual

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Digital SCR Multiswitch (Ref: 9744MC, 9746MC, 9748MC)
4
1. I
NTRODUCTION
Product description
The 974xMC products are designed to support a wide range of new and existing multiswitch
installations.
 Each 974xMC unit has:

4 cascade-able LNB inputs from universal Quattro LNBF : VL HL VH HH

1 terrestrial trunk.

4, 8 or 16 SCR/Legacy outputs (9744MC, 9746MC or 9748MC)

1 DC input.
 Each output can support a wide variety of satellite receivers :

In legacy mode, the 974xMC outputs can be used as a standard multiswitch.

In SCR mode, each 974xMC output supports up to 16UBs with all versions of the
single cable technology. This includes OLT, SCR, CSS, EN50494, EN50607, and
newer versions.
 As all outputs are independent, the installation can be a mix of legacy and SCR
connections.
 The terrestrial part allows to support any service that operates below 1 GHz, which
includes terrestrial reception, cable and DOCSIS reception.
 The trunks enable to cascade multiple products to support big installations of more than
100 households in MDU applications, like apartments, or more than 100 rooms in
hospitality environments, like hotels.
 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
 1x Digital SCR Multiswitch (9744MC, 9746MC or 9748MC)