Lantronix EPS2-100 User Manual

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Pinouts
J - 2
Figure J-1:  Pinout of RJ45 Serial Ports
J.2.1 RJ45 to DB25
If you are connecting an RJ45 port to a DTE device (such as a terminal) that has a DB25 
connector, you will need to use an RJ45-DTE DB25 adapter. To connect an RJ45 port to a DB25 
connector on a DCE device, you will need an RJ45-DCE DB25 adapter. The pinout information 
for both connections is shown in Figure J-2.