Serial Ports A And B; Figure B-8 Peripheral Power Cable Assembly Connector J4112; Table B-9 Peripheral Power Cable Assembly Connector J4112 Pin Description - Sun Microsystems Ultra 80 Service Manual

1
6
FIGURE B-8
TABLE B-9
Pin
1
2
3
4
5
6
7
8
9
10
B.2

Serial Ports A and B

The serial port A and B connectors (J2902 and J2903, respectively) are DB-25
connectors located on the motherboard back panel (horizontal and vertical views).
Peripheral Power Cable Assembly Connector J4112
Peripheral Power Cable Assembly Connector J4112 Pin Description
Signal
VCC
VCC
VCC
+12 VDC
+12 VDC
GND
GND
GND
GND
GND
5
10
Description
Voltage at the common collector
Voltage at the common collector
Voltage at the common collector
+12 VDC
+12 VDC
Ground
Ground
Ground
Ground
Ground
Appendix -7