> For the complete documentation index, see [llms.txt](https://nxp.gitbook.io/rddrone-t1adapt/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://nxp.gitbook.io/rddrone-t1adapt/connection-between-to-rj45-ethernet-points.md).

# Connection between two 100Base-TX devices (RJ45-RJ45)

In the figure below, a pair of RDDRONE-T1 boards are used to connect two standard PCs with RJ45 connectors together over a 2-wire T1 network. The adaptors communicate with each other via T1 and the power is supplied by the PCs over USB cables.

![](/files/-M_XNMd7h2JZZZ5mgcY_)
