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Hardware Installation and Reference Guide Appendix A Connectors and
Media
7 Appendix A Connectors and Media
1000BASE-T/100BASE-TX/10BASE-T
The 1000BASE-T/100BASE-TX/10BASE-T is a 10/100/1000 Mbps auto-negotiation port that supports auto MDI/MDIX.
Compliant with IEEE 802.3ab, 1000BASE-T requires Category 5e 100-ohm UTP or STP (STP is recommended) with a
maximum distance of 100 meters (328 feet).
1000BASE-T requires all four pairs of wires be connected for data transmission, as shown in Figure A-1.
Figure A-1 1000BASE-T Connection
10BASE-T uses Category 3, 4, 5 100-ohm UTP/STP and 1000BASE-T uses Category 5 100-ohm UTP/STP for
connections. Both support a maximum length of 100 meters. Table A-1 shows100BASE-TX/10BASE-T pin assignments.
Table A-1 100BASE-TX/10BASE-T Pin Assignments.
Pin
Socket
Plug
1
Input Receive Data+
Output Transmit Data+
2
Input Receive Data-
Output Transmit Data-
3
Output Transmit Data+
Input Receive Data+
6
Output Transmit Data-
Input Receive Data-
4,5,7,8
Not Used
Not Used
Figure A-2 shows wiring of straight-through and crossover cables for 100BASE-TX/10BASE-T.
Figure A-2 100BASE-TX/10BASE-T Connection