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APPENDIX A
Connector Signal Descriptions
This appendix describes the Sun Fire280R server main logic board connector signals
and pin assignments that are accessible from the back panel.
The following topics arecovered in this appendix:
■“Reference for the Serial Port A and B Connectors” on page204
■“Reference for the Twisted-PairEthernet (TPE) Connector” on page 206
■“Reference for the UltraSCSI Connector” on page208
■“Reference for the Parallel Port Connector” on page212
■“Reference for the Fibre Channel-Arbitrated Loop (FC-AL) Port Connector” on
page214
■“Reference for the Universal Serial Bus (USB) Connectors” on page215