2–12 MULTILINK ML3000 ETHERNET COMMUNICATIONS SWITCH – INSTRUCTION MANUAL
PRODUCT DESCRIPTION CHAPTER 2: PRODUCT DESCRIPTION
with the fiber ports supported by the ML3000 switch. A main data center in a secure area
protected from earthquake or fire hazards can be connected to the Gigabit Copper or
Fiber ports.
FIGURE 2–10: An industrial network application with ML1600 or ML3000
Extended temperature ratings and a variety of choices for AC/DC power supplies qualify
the ML3000 switch for use in non-temperature-controlled networks and many other
temperature sensitive critical industrial applications where above normal temperatures
occur while the network is in operation. The SNMP management capability of the ML3000
switch helps create a database of all the network subnets to easily manage the network.
2.4.4 ML3000 in a Redundant ring topology
A managed network is needed to provide a redundant ring topology for maximum
reliability. In a network where any faulty cable, cable disconnection or power failure could
bring down communication to the whole system, a ring topology can be configured to
provide continued network operation and recovery from a fault condition. The ring
topology of the network may consist of high speed LAN segments supported by 100 Mbps
fiber media to provide a secure long distance LAN connection. The entire redundant
network may utilize higher bandwidth Gigabit up-links to a central operations center for
the vital database located in a separate secured building. The network will be manageable
to provide easy, detectable, uninterrupted support through a viewable SNMP monitor.
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