Changes
* Each port supports RS232, RS485 half/full duplex and can be configured independently.
* Over 20 ports can be installed.
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===Instructions===
* [https://fit-iot.com/files/mechanical/TELS/TEL-SERX4/Installation-instructions/fitlet2-TEL-SERX4-installation-instructions.pdf fitlet2 TEL-SERX4 installation instructions]
===Production files===
*Schematics
**[https://fit-iot.com/files/mechanical/TELS/TEL-SERX4/Schematics/TEL-SERX4-1_0-Schematic.zip TEL-SERX4 Rev1.0 Schematic files]
*Assembly
**[https://fit-iot.com/files//mechanical/TELS/TEL-SERX4/Assembly/TEL-SERX4-1_0-Assembly.zip TEL-SERX4 Rev1.0 Assembly files]
*Layout
**[https://fit-iot.com/files/mechanical/TELS/TEL-SERX4/Layout/TEL-SERX4-1_0-Layout.zip TEL-SERX4 Rev1.0 Layout files]
*Mechanical
**[https://fit-iot.com/files/mechanical/TELS/TEL-SERX4/Mechanical/TEL-SERX4.DXF TEL-SERX4 Mechanical - DXF]<br>
**[https://fit-iot.com/files/mechanical/TELS/TEL-SERX4/Mechanical/TEL-SERX4.PDF TEL-SERX4 Mechanical - PDF]
*3D 360<sup>0</sup> model
**[https://sketchfab.com/3d-models/TEL-SERX4-populated-e224f85861e3441eb42a39dd24f8fb3f TEL-SERX4 3D 360<sup>0</sup> model on Sketchfab]
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