N-Tron 400 - Manual (Page 7)

Rev 102507 7
405FX/405FXE HALF DUPLEX SETUP
While all RJ45 ports are Autosensing, the 405FX/405FXE Fiber Optic Port is factory configured for full
duplex operation. In the event half duplex operation is desired, follow these steps:
1.
Remove the Voltage Input Power Plugs.
2. Remove the top cover (8 screws).
3. Remove the jumper plug (JP1) from pins 1 and 2.
4. Replace the top cover.
5. Proceed with the installation.
Full Duplex = Pins 1 and 2 shorted.
Half Duplex = Remove jumper.