Chapter 2: Introduction
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The LBH08x/LBH18x-Series industrial grade switch is DC-powered by
24VDC for factory floor or 48VDC for telco carrier field facilities, has a rugged metal
case and metal mounting brackets suitable for panel mounting. Models with a DIN-
Rail mounting bracket included are available. The LBH08x/LBH18x industrial
hardened switches and the other Black Box industrial networking products are
backed by a three-year warranty.
Industrial switches can connect a group of Ethernet-ready, process control
units to a central control switch or to backhaul aggregated data from a cluster of edge
switches that is typical in telecommunication environment. These switches offer real
time control and input-output data flow through factory floor and are easy to bring-up
because they are standards-based. These switches also are ideal for cell phone
backhaul using faster and longer-range fiber cable. Typically DIN-rail mounted, these
switches can withstand factory floor temperatures and telco central office
environment and can be used without any special enclosures, fans or heaters.
The LBH08x/LBH18x are easy to install and use. Addresses of attached
nodes are automatically learned and maintained, adapting the switching services to
network changes and expansions to provide plug-and-play operation. Flow control
maximizes throughput across all ports. Front-mounted LEDs provide status
information on each port.
The LBH18x model has one full-duplex 100Mbps switched fiber port, and
eight switched 10/100 full/half auto-negotiating RJ-45 ports. While the switched fiber
port is typically for a backbone connection, the switched RJ-45 ports can be used to
connect a central control switch to various process control equipment or to aggregate
data from a group of edge switches.