NEC POWERMATE PRO2180 - SERVICE 1996, Руководство по обслуживанию

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A-4 Connector Pin Assignments
Table Appendix A-3 Serial Interface Pin
Assignments
Pin Signal Name
1 DCD
2 Serial In-
3 Serial Out-
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
KEYBOARD AND MOUSE CONNECTORS
The following figure shows the keyboard and mouse connectors on the system board. The
keyboard and mouse are PS/2-style connectors and can be plugged into either connector.
The system unit will detect their presence at power on. Table Appendix A-3 provides the
pin assignments.
Figure Appendix A-4 PS/2-Style Keyboard and Mouse Interface Connectors
Table Appendix A-4 Keyboard and Mouse Pin
Assignments
Pin Signal Name
1 Data
2 No connection
3 Ground
4 +5 V (fused)
1
2
6
4 3
5