L-Switch User Manual 7 LOYTEC
Version 6.0 LOYTEC electronics GmbH
1 Introduction
1.1 Overview
The L-Switch XP is a high performance fully plug-and-play network infrastructure
component for CEA-709 networks. It is the first device that allows building fully
manageable CEA-709 networks. It is also a cost effective alternative to currently available
CEA-709 routers. The L-Switch XP provides up to five communication ports and it
switches packets between these ports. Its unique architecture very much supports structured
wiring in CEA-709 networks by reducing the number of necessary routing devices.
The Plug & Play installation capability of the L-Switch XP allows connection of the
L-Switch XP to the network without any further configuration. The smart switching
software automatically detects the bit-rates of the connected channels, learns the
configuration of the network (domains, subnet/node addresses, group addresses) and
forwards the packets between the different ports (see Section 4.1.1). Optionally, the
L-Switch XP can be configured via the network.
In addition to the Plug & Play switch mode the L-Switch XP can be operated as a standard
configured CEA-709 router. In this operating mode the L-Switch XP is compatible to any
standard CEA-709 router and must be commissioned using LonMaker or some other
network management tool for CEA-709 networks.
As an additional feature, the L-Switch XP permanently collects statistic information from
the attached network channels (channel load, CRC errors, forwarding statistics, etc.). Using
this data the L-Switch XP software is able to detect problems on these channels (overload,
connections problems, etc.) and warns the system operator via LEDs (see Section 5.4). An
intuitive user interface allows fast and easy network troubleshooting without any additional
analysis tools and deep system knowledge.
The LSD Tool can be used for a more detailed view of the collected statistics data. See
Section 9 for more information on this powerful system diagnostics tool.
The L-Switch XP is used for:
Isolation of local network traffic
Structuring networks (structured wiring)
Signal regeneration
Noise suppression
Extending channels in their physical dimension and/or number of nodes
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