A-1
APPENDIX
A
Signal Pinouts
This appendix gives the pinouts for the server rear ports and identifies connectors on
various server boards. Topics include:
■ Section A.1, “Gigabit Ethernet Ports” on page A-1
■ Section A.2, “Network Management Port” on page A-2
■ Section A.3, “Serial Ports” on page A-3
■ Section A.4, “Alarm Port” on page A-6
■ Section A.5, “USB Ports” on page A-7
A.1 Gigabit Ethernet Ports
The server has four autonegotiating 10/100/1000BASE-T Gigabit Ethernet system
domain ports. All four Ethernet ports use a standard RJ-45 connector, the transfer
rates for which are given in
TABLE A-1. FIGURE A-1 shows the pin numbering of the
ports.
TABLE A-2 describes the pin signals.
TABLE A-1 Ethernet Connection Transfer Rates
Connection Type IEEE Terminology Transfer Rate
Ethernet 10BASE-T 10 Mbit/sec
Fast Ethernet 100BASE-TX 100 Mbits/sec
Gigabit Ethernet 1000BASE-T 1000 Mbit/sec
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