Microsens MS400080H - Manual (Page 5)

The PoE PSE+ converter may auto-detect PD and provide power via
one of two valid four-wire connections. In each four-wire connection,
the two conductors associated with a pair each carry the same
nominal current in both magnitude and polarity. Refer to following
figure in conjunction with PSE pinout alternative table, illustrates the
valid alternatives.
Fig. 3 PSE to PD or PoE Splitter
RX
TX TX
RX
PoE PD or
PoE Splitter
PoE PSE TP-to-GbE Fiber
Converter
AC
1000Base-X
Fiber Network
Converter/Switch
Fig. 4 PoE PSE Media Converter Front Panel
Fig. 5 PoE PSE Media Converter Rear Panel
Fig. 2 Connection among PSE PoE Converter, Fiber and TP Cables