204Ethernet ConnectorThe main board provides a dual-RJ45 connector (JA4A1) for Ethernet connection. See Table 37.Below are definitions of the speed/status LEDs.• Speed LED: Yellow On, 1000-Mbps Ethernet• Speed LED: Green On, 100-Mbps Ethernet• Speed LED: Off, 10-Mbps Ethernet• Status LED: Green On, Ethernet link detected• Status LED: Off, Ethernet link not found• Status LED: Green Flashing, Ethernet data activityTable 37. Ethernet Connector PinoutSignal Description JA4A1PinEthernet ConnectorLED Signals:NIC1_LED_CA_L Lower (Port 1) greenstatus LED cathode signalindicating Port 1 activity27NIC1_LED_AN_L Lower (Port 1) greenstatus LED anode to 100-ohm pullup to 3.3 VStandby28LINK100A_L Lower (Port 1) greenspeed LED cathode,yellow LED anode29LINK1000A_L Lower (Port 1) yellowspeed LED cathode, greenLED anode30NIC2_LED_CA_L Upper (Port 2) greenstatus LED cathode signalindicating Port 2 activity31NIC2_LED_AN_L Upper (Port 2) greenstatus LED anode to 100-ohm pullup to 3.3 VStandby32LINK100B_L Upper (Port 2) greenspeed LED cathode,yellow LED anode33LINK1000B_L Upper (Port 2) yellowspeed LED cathode, greenLED anode34Ethernet Signals:PORT1_MDI0P Port 1 transceiver 0positive of differential pair15PORT1_MDI0M Port 1 transceiver 0negative of differential pair21PORT1_MDI1P Port 1 transceiver 1positive of differential pair23
