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Heavy Duty Edge Switches Installation and User Guide(07/05)
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built in, covers the full range of application environments, with regular (office), Hardened
(factory floor), and Extreme-rated (outdoor) versions. Extra features for Heavy-
Duty(LBHXXX )and extended temperature operation ranges are included selectively in the
Hardened factory-floor and Extreme-rated outdoor models. The breadth of models and
flavor of fiber port types offers the best price-to-value ratio for each user and installation.
The compact package is ideal for network edge installations, and is able to be conveniently
Din rail mounted to suit any application.
The Black Box Edge switches include Link-Loss-Learn(LLL) feature (factory
configurable on ports 1 and 2 to qualify for any redundant and self-healing managed
network structures. The Link-Loss-Feature in LBHXXX-Series allows the Edge switches to
flush the internal address buffers in milliseconds to permit a quick change in LAN packets
flow, and pass the reconfiguration signal down the line to other ring switches in the
redundant structure for faster recovery. Black Box Edge switches, combined with other