Serial Interface Connectors; Table-B-4 Rs-232C Serial Port Connector Pin Assignments - NEC DIRECTION L Service Manual

B-4 Connector Pin Assignments

SERIAL INTERFACE CONNECTORS

Pin assignments for the serial interface port connector are listed in Table-B-4.

Table-B-4 RS-232C Serial Port Connector Pin Assignments

Pin Signal
1 DCD
2 Serial In#
3 Serial Out#
4 DTR#
5 Ground
6 DSR
7 RTS
8 CTS
9 RI
Description
Carrier detect
Receive data
Transmit data
Data terminal ready
Signal ground
Data set ready
Request to send
Clear to send
Ring indicator