1 Introducing the Leaf True LHDMI44P
1.1 Overview
The Leaf True HDMI Matrix LHDMI44P package comprises a Leaf LHDMI44 interface
unit and four Leaf LB1 breakouts. It is designed to accept HDMI A/V sources at its
inputs on the LHDMI44 and route them to remotely located LB1 breakouts. In this
document, each input signal source is termed a source and each output and breakout
is called a zone.
Additional features include infrared (IR) control through feed and single direction
RS232 data transmission from the connected control system to any of the LB1
breakouts.
Interconnection between a Leaf True LHDMI44 and associated LB1 breakouts is via
one single cat5e/6 cable for each breakout. Single cat5e /6 cable interconnect between
these components is made possible through the use of HDBaseT technology. This
technology enables Video and Audio, as well, IR and RS232 data to be all sent by a
single cable per zone over distances of up to 60 – 70 metres cable length.
Cabling specifications and information can be found in supplementary documentation.
The Leaf True system is designed to be controlled via RS232 commands from 3
rd
party
control systems. Control of basic switching functions can be (also or instead) achieved
via a proprietary Leaf controller such as the Leaf TC3 connected by 6 wire Telco cable
and RJ12 (6P6C) modular connectors.
Manual control of the basic switching functions can be also be achieved by the use of
front panel mounted buttons on the LHDMI44. See 5.3 - 5.4 for details. A
corresponding set of display LEDs provide user feedback of the signal routing.
The LHDMI44 is built into a rack-mountable metal housing and is supplied with rack
mounting ears. It is also fitted with feet should table / desktop mounting be preferred.
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