AT&T 3B2/300 Technical Reference Manual page 824

Appendix: CONNECTOR AND CA,BLING I N F O R M A T I O N - - - - - - - - - - - - - - - -
Terminal/Printer Male Connector
1 ,
232-21-25-010
Figure B-39 identifies the Terminal/Printer Male Connector pins. This connector is used to
interface the 8-pin modular, RS-232C, serial port to a female 25-pin connector on a terminal or printer
connector configured as Data Terminal Equipment (DTE).
PIN 8
-- MODULAR JACK --
FRAME GROUND (FG)
RECEIVE DATA (RXD)
TRANSMIT DATA (TXD)
RESERVED
RESERVED
SIGNAL GROUND (SG)
DATA CARRIER DETECT (DCD)
DATA TERMINAL READY (DTR)
TERMINAL/PRINTER
PART NO .. 232-21-25-010
o
(MALE RS-232C) 0
o
0
00
PIN 25
0
Oo
00
0
00
0
00
0
00
0
PIN 13
-- TERMINAL/PRINTER (DTE) --
FRAME GROUND (FG)
TRANSMIT DATA (TXD)
RECEIVE DATA (RXD)
RESERVED
RESERVED
DATA SET READY (DSR)
SIGNAL GROUND (SG)
DATA TERMINAL READY (DTR)
DAT A CARRIER DETECT (DCD)
Figure B-39: Terminal/Printer Male Connector (232-21-25-010) Pin Identification
B-242 TECHNICAL REFERENCE: MANUAL