Digi Connect Wan 3G Application Guide

About this manual

This document provides step-by-step instructions to configure a Digi PortServer TS and a Digi Connect Wan 3G device to allow access to serial devices from the Internet using the Realport protocol. The guide covers software and hardware requirements, the theory of operation involving NAT and port forwarding, and detailed setup procedures.

What's inside

• Software Requirements
• Hardware Requirements
• Theory of Operation
• PortServer TS Configuration
• Connect WAN 3G Configuration
• Realport Installation
• Network Settings
• Port Forwarding

Frequently asked questions

What applications can be sent over the cellular network to remote devices?

Communications applications such as SCADA polling, remote printing, or other host-initiated traffic can be sent over the cellular network.

Which TCP port is used for Realport traffic forwarding?

The Realport traffic uses TCP Port 771 to direct traffic from the mobile IP address to the serial server.

How many forwarding rules can be configured on the Digi Connect WAN 3G?

You may configure up to 64 forwarding rules for external networks to internal devices.