Laurel Electronics Ethernet Node Configuration for Series 2 Digital Panel Meters, Counters, Timers, Transmitters and Ethernet-to-Serial Device Servers User Manual
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Example 5. On the same LAN are the host computer and a variety of Ethernet devices,
which can include our LNET meters, LTE transmitters, and LTNET485 device servers. The
host computer and all Ethernet devices on the same LAN are peers using the same level. If
the router or switch connected to the computer has DHCP server capability, local IP
addresses for all downstream devices will automatically be assigned by the router or switch.
Otherwise one of our Nodes will assume the role of DHCP server.
Example 6. In this example, the host computer communicates with remote meters and
transmitters via the Internet using an LTNET485 Ethernet-to-serial device server Node on the
remote side. Setup of the LTNET485 requires knowledge of the public IP address of the router.
Knowledge of any IP address on the remote LAN suffices if the Web Server built into the Node
is used. All Laurel Ethernet devices on the remote LAN will then be automatically discovered,
plus all Laurel devices on any RS485 bus.
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