APPENDIX A
Connector Signal Descriptions
This appendix describes the Sun Enterprise 220R system main logic board connector
signals and pin assignments accessible from the back panel.
Topicscovered in this appendix include:
Section A.1 “Reference for the Keyboard/Mouse Connector” on page 231
Section A.2 “Reference for the Serial Port A and B Connectors” on page 232
Section A.3 “Reference for the Twisted-PairEthernet (TPE) Connector” on page 235
Section A.4 “Reference for the UltraSCSI Connector” on page 236
Section A.5 “Reference for the Parallel Port Connector” on page 240
Section A.6 “Reference for the Media Independent Interface (MII) Connector” on
page 242
A.1 Reference for the Keyboard/Mouse
Connector
A.1.1 Keyboard/Mouse Connector Diagram
The keyboard/mouse connector (J2701) is a DIN-8 type connector located on the
main logic board back panel.
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