A.1.2 keyboard/mouse connector signals – Sun Microsystems 220R User Manual
Page 232
A.1.2
Keyboard/Mouse Connector Signals
Pin
Signal Name
Signal Description
1
Gnd
Ground
2
Gnd
Ground
3
+5 VDC
+5 VDC
4
Mse-rxd
Mouse receive data
5
Kbd-txd
Keyboard out
6
Kbd-rxd
Keyboard in
7
Kbd-pwk
Keyboard power on
8
+5 VDC
+5 VDC
A.2
Reference for the Serial Port A and B
Connectors
The serial port A and B connectors (J2902 and J2903, respectively) are DB-25 type
connectors located on the main logic board back panel. Both serial ports conform to
RS-423/RS-232 specifications.
232
Sun Enterprise 220R Server Service Manual
♦
January 2000, Revision A
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