# 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.

![](https://2450828064-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M9tTGlc2SB_GfvlG8d4%2F-M_XN0Kgdn1rICdWM9TI%2F-M_XNMd7h2JZZZ5mgcY_%2Fimage.png?alt=media\&token=70ee96e1-be20-42f8-b231-f60f44d2bd6b)


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