Rj-45 Pin Specification; Standard Rj-45 Receptacle/Connector - HP 438031-B21 - 1:10Gb Ethernet BL-c Switch User Manual

RJ-45 pin specification

Standard RJ-45 receptacle/connector

When connecting the switch to a switch, bridge, or hub, an Ethernet cable is necessary.
The table indicates the pin number and wire color assignments for the switch-to-network adapter card
connection, and the Ethernet cable for the switch-to-switch, switch-to-hub, or switch-to-bridge connection.
Contact
1
2
3
4
5
6
7
8
The table provides the same information for the Gigabit over Copper ports.
Contact
1
2
3
4
5
6
7
8
Media direct interface
signal
Tx + (transmit)
Tx - (transmit)
Rx + (receive)
Not used
Not used
Rx - (receive)
Not used
Not used
Media direct interface
signal
BI_DA+
BI_DA-
BI_DB+
BI_DC+
BI_DC-
BI_DB-
BI_DD+
BI_DD-
Color match
White/Orange
Orange/White
White/Green
Blue/White
White/Blue
Green/White
White/Brown
Brown/White
Color match
White/Orange
Orange/White
White/Green
Blue/White
White/Blue
Green/White
White/Brown
Brown/White
RJ-45 pin specification 51