MLA System USER GUIDE
MLA System User Guide V2.1 95
U-Hub
Introduction
The Martin Audio U-Hub is an Ethernet to U-NET bridge equipped with analogue and AES3 digital audio transport. It facilitates
PC connection and VU-NETâ„¢ software control of MLA Series arrays and subwoofers via their inbuilt proprietary U-NET network.
Key Features
 Ethernet to U-Net bridge
 IP addressable (static and dynamic)
 Analogue and digital audio transport
 Designed to work with DX4.0 loudspeaker processor for Dante™ digital audio distribution
Converting TCP/IP to U-NET protocol, U-Hub allows MLA Series enclosures to self-address and identify their position within an
array, as well as supporting a simple-to-use redundant loop. With U-Hub, an MLA Series system with onboard U-NET can be
seamlessly integrated into a TCP/IP network and controlled via VU-NET software.
When used in conjunction with the Martin Audio DX4.0 networked system controller, U-Hub can connect audio and network to
an MLA Series system with a single cable via a Danteâ„¢ digital audio network.
U-Net Connections
The U-Hub features two U-Net ports and two pairs of parallel links to enable neatly loomed network cables to be used going to
and from several arrays. The U-Net connections are available on 8-pin ODU connectors. In common with standard Ethernet data,
U-Net only uses four of the available 8 pins allowing balanced analogue or AES audio to be fed down two or the ‘spare’ cores
thus greatly simplifying system wiring as an independent audio cable is no longer required.
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