NEC PC-8201 - Page 32

(3) RS-232C Interface
RS-232C 25-pin D SUB CONNECTOR
Either 8-pin (DCD) or 22-pin (RD) can be sclccted by software control.
Remarks
Protective ground
Transmit data
Receive data
Request to send
Transmission authorized
Data set relay
Signal ground
Data carrier detect
Data carrier ready
Bell detect
Pin number
1
2
3
4
5
6
7
8
l
20
22
25
Signal name
GND
TxD
RxD
RTS
CTS
DS
R
GND
DCD
DT
R
R D
- - -