See Figure
NK8237 power supply
(see NK8237 hardware installation [➙ 23]) for
the power supply connections.
6.1.7 Ethernet interfaces
The NK8237 main board is equipped with two Ethernet interfaces. The two RJ-45
connectors also include 2 LEDs (yellow and green) reporting the LAN status as
follows:
⚫ Yellow LED: if on, a 100 Mbps link is active.
⚫ Green LED: flashing when data is received or transmitted.