| Device | The port allows a user to access a shared device---for example, a printer or modem---via a host on the network, which can originate a connection to the port. |
| Login | The port is configured for dial-in access only. |
| Log/Net | The port is configured for both dial-in access and dial-out access. |
| Network | The port provides a permanent network connection---for example, a WAN link over a dedicated point-to-point asynchronous leased line. |
| TwoWay | The port allows both inbound and outbound connections. |