The Gigabit Ethernet module acts as a link to any external modems or line routers that are to be included in the bonding network of the Multichannel VPN Router. The Gigabit Ethernet module can be used to connect SDSL modems, leased line routers or radio links to the Multichannel VPN Router, for example.
The Gigabit Ethernet hotplug module is the successor to the Fast Ethernet hotplug module.