IBM 4230 User Guide - Page 299
Local Duplex - XON/XOFF Pacing, Status Reporting
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| Local Duplex - XON/XOFF Pacing, Status Reporting C o m p u te r SG (7 ) TX D (2 ) RXD (3 ) D T R (2 0 ) DSR (6 ) RTS C TS (4 ) (5 ) P r in te r (7 ) S G (2 ) T X D (3 ) R X D (2 0 ) D T R (6 ) D S R (4 ) R T S (5 ) C T S | RS-422A C o m p u te r - TXD + TXD - RXD + RXD P rin te r (1 5 ) - R X D (1 7 ) + R X D (1 9 ) - T X D (2 5 ) + T X D Appendix E. Cabling Information E-5
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Local Duplex — XON/XOFF Pacing, Status Reporting
(7 )
(2 )
(7 )
(3 )
(2 0 )
(6 )
(3 )
(2 )
(2 0 )
(6 )
SG
RXD
DTR
SG
TXD
RTS
CTS
TXD
RXD
CTS
RTS
DSR
(4 )
DTR
(5 )
(5 )
(4 )
DSR
Com
puter
P r in t e r
|
RS-422A
(19)
(25)
(15)
(17)
+
R
X
D
+
T
X
D
-
-
RXD
TXD
RXD
RXD
TXD
TXD
-
+
-
+
Com
puter
Printer
Appendix E.
Cabling Information
E-5