Cd Audio Connector Pin Assignments; Serial Interface Connectors - NEC POWERMATE V Service Manual

CD AUDIO CONNECTOR PIN ASSIGNMENTS

The pin assignments for the CD audio connector used in multimedia modes are provided in
Table A-2. (The audio connector on the system board in not identified in Figure A-1.)
Pin
1
2
3
4

SERIAL INTERFACE CONNECTORS

Serial interface signals are output from the system board through two 9-pin COM port
connectors. The 9-pin, D-subconnectors are located at the rear of the system unit. Pin
assignments for the serial interface connectors given in Table A-3.
Table A-3 Serial Port Connector Pin Assignments
Pin
1
2
3
4
5
6
7
8
9
Table A-2 CD Audio In Connector
Signal
Speaker Data
Key
NC
+5V
Signal
Carrier detect
Receive data
Transmit data
Data terminal ready
Signal ground
Data set ready
Request to send
Clear to send
Ring indicator
Connector Pin Assignments A-3