4GMini/4GPlus Cellular Modem
15
FIGURE 7-6. Firewall Port Forwarding Configuration
Name:
Enter a convenient reference or description for the rule. Each rule must
have a unique name, which can be up to 10 characters.
Internal Server IP:
Enter the IP address of the intended internal server (i.e. on
the LAN side of 4GMini/4GPlus). This is the IP address given to the device
connected to the Ethernet port or the device connected to the serial port using
PPP. The IP address must be based on the default IP gateway and IP subnet
mask of the modem. This information can be located by navigating to:
•
Network > LAN for Ethernet devices
•
Serial > RS-232 for PPP devices
Internal Port:
Target port number of internal server on the private LAN IP
entered above.
Protocol:
Select the type of transport protocol used. Although there are several
options, TCP should be the most common protocol in port forwarding
applications.
External Port:
Port number of incoming requests (from public WAN side).
7.6.1.2 4GMini/4GPlus RS-232 PPP Configuration
It is necessary to configure the RS-232 port to use PPP, so that the datalogger
can communicate with a network using a PPP connection. Other PPP settings
