A LAN segment on a classic concentrator can be linked to the rest of the network by attaching a DTR C-Port (operating in station-emulation mode) to any available lobe on the device.

• 标准集中器上的局域网段通过把（工作在站仿真方式下的）DTRC口接到该集中器上任何一个可以使用的插接瓣上，就可与网络其余部分连通。