Ethernet Connector; Table 37. Ethernet Connector Pinout - Dell 3250 Product Manual

Ethernet Connector

The 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 activity
Table 37. Ethernet Connector Pinout
Signal
LED Signals:
NIC1_LED_CA_L Lower (Port 1) green
status LED cathode signal
indicating Port 1 activity
NIC1_LED_AN_L Lower (Port 1) green
status LED anode to 100-
ohm pullup to 3.3 V
Standby
LINK100A_L Lower (Port 1) green
speed LED cathode,
yellow LED anode
LINK1000A_L Lower (Port 1) yellow
speed LED cathode, green
LED anode
NIC2_LED_CA_L Upper (Port 2) green
status LED cathode signal
indicating Port 2 activity
NIC2_LED_AN_L Upper (Port 2) green
status LED anode to 100-
ohm pullup to 3.3 V
Standby
LINK100B_L Upper (Port 2) green
speed LED cathode,
yellow LED anode
LINK1000B_L Upper (Port 2) yellow
speed LED cathode, green
LED anode
Ethernet Signals:
PORT1_MDI0P Port 1 transceiver 0
positive of differential pair
PORT1_MDI0M Port 1 transceiver 0
negative of differential pair
PORT1_MDI1P Port 1 transceiver 1
positive of differential pair
204
Description JA4A1
Pin
27
28
29
30
31
32
33
34
15
21
23
Ethernet Connector