How To Connect To An Ethernet Device For Communication White Paper

To connect and communicate to an Ethernet device like an Acromag Ethernet module, you have three potential connection scenarios:

1. Direct connect your Ethernet device to your computer – Easiest but the most restrictive, as it dominates the use of your Ethernet port and may temporarily take your computer off-line from the internet.
2. Network connect your Ethernet device to your LAN (Local Area Network) – A little more complicated and does not include remote access from another network.
3. Remotely connect to your Ethernet device over the internet – This requires the second scenario, but adds Port Forwarding, requires a static public IP address, and potentially adds the services of a VPN (Virtual Private Network).

This paper gives detailed information and examples on how to make these connections.

Topics Discussed:

• What is Ethernet?
• The Internet Protocol (IP) and Ethernet Addressing
• The Transmission Control Protocol (TCP)
• The User-Datagram Protocol (UDP)
• The MAChine Address
• Three Different Types of Connection to an Ethernet Device

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