Figure B-1 Keyboard/Mouse Connector Pin Configuration; Table B-1 Keyboard/Mouse Connector Pin Assignments; Serial Ports A And B (Rs-423/Rs-232) Connector - Sun Microsystems Ultra 1 Creator Series Service Manual

FIGURE B-1
TABLE B-1
Pin
1
2
3
4
5
6
7
8
B.1.2

Serial Ports A and B (RS-423/RS-232) Connector

The serial ports A and B connector are DB-25 type connectors located on the system
board back panel.
configuration.
B-2 Ultra 1 Creator Series Service Manual • August 1996
Keyboard/Mouse Connector Pin Configuration
Keyboard/Mouse Connector Pin Assignments
Signal Name
Gnd
Gnd
+5 Vdc
Mse-rxd
Kbd-txd
Kbd-rxd
Kbd-pwk
+5 Vdc
illustrates the serial port A and serial port B connector
FIGURE B-2
lists the serial A and B port connector pin assignments.
TABLE B-2
8 7 6
5 4 3
2 1
Description
Ground
Ground
+5 Vdc
Mouse receive data
Keyboard out
Keyboard in
Keyboard power in
+5 Vdc