Signal Description; Keyboard/Mouse Connector, And Serial Ports A And B Connectors; Keyboard/Mouse Connector - Sun Microsystems Ultra 2 series Service Manual

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A P P E N D I X

Signal Description

This appendix provides signal descriptions for the Ultra 2 series system unit back
panel connectors.
Section B.1 "Keyboard/Mouse Connector, and Serial Ports A and B Connectors"
on page B-1
Section B.2 "Twisted-Pair Ethernet Connector" on page B-5
Section B.3 "Fast/Wide SCSI Connector" on page B-6
Section B.4 "Audio Port Connectors" on page B-8
Section B.5 "Parallel Port Connector" on page B-9
Section B.6 "Media Independent Interface Connector" on page B-11
Section B.7 "UPA Graphics Card 13W3 Connector" on page B-13
B.1 Keyboard/Mouse Connector, and Serial
Ports A and B Connectors
B.1.1

Keyboard/Mouse Connector

The keyboard/mouse connector is a DIN-8 type connector located on the
motherboard back panel. The following figure illustrates the keyboard/mouse
connector configuration and the following table lists the keyboard/mouse connector
pin assignments.
Note –
All signals are standard TTL levels. The +5 VDC supply is fuse-protected.
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