Ethernet Connector; Table 17. Dual Ethernet Stacked Connector - Intel SR4850HW4 - Server Platform - 0 MB RAM Product Manual

Technical Reference

Ethernet Connector

The main board provides a dual-RJ45 connector for Ethernet connection. Below are the pin
descriptions.
Table 17. Dual Ethernet Stacked Connector
Pin Signal
LED Signals
27 DNW_LINKB10_N
28 DNW1_ACT_N_R
29 DNW_LINKB100_N
30 LANB1000_N_R
31 DNW_LINKA10_N
32 DNW0_ACT_N_R
33 DNW_LINKA100_N
34 LANA1000_N_R
Ethernet Signals
15 DNW_MDIB_DP<0>
21 DNW_MDIB_DN<0>
23 DNW_MDIB_DP<1>
16 DNW_MDIB_DN<1>
18 DNW_MDIB_DP<2>
238
Description Dual Stacked Ethernet Connector
Lower (Port 1) green
status LED cathode
signal indicating Port
1 activity
Lower (Port 1) green
status LED anode to
100-ohm pull-up to
3.3V Standby
Lower (Port 1) green
speed LED cathode,
yellow LED anode
Lower (Port 1) yellow
speed LED cathode,
green LED anode
Upper (Port 2) green
status LED cathode
signal indicating Port
2 activity
Upper (Port 2) green
status LED anode to
100-ohm pull-up to
3.3V Standby
Upper (Port 2) green
speed LED cathode,
yellow LED anode
Upper (Port 2) yellow
speed LED cathode,
green LED anode
Port 1 transceiver 0
positive of differential
pair
Port 1 transceiver 0
negative of differential
pair
Port 1 transceiver 1
positive of differential
pair
Port 1 transceiver 1
negative of differential
pair
Port 1 transceiver 2
Intel® Server Platforms SR4850HW4 & SR4850HW4/M Product Guide