| Local Duplex — XON/XOFF Pacing, Status Reporting
(7)
(2)
(7)
(3)
(20)
(6)
(3)
(2)
(20)
(6)
SG
RXD
DTR
SG
TXD
RTS
CTS
TXD
RXD
CTS
RTS
DSR
(4)
DTR
(5)
(5)
(4)
DSR
Computer
Printer
| RS-422A
(19)
(25)
(15)
(17)
+RXD
+TXD
-
-
RXD
TXD
RXD
RXD
TXD
TXD
-
+
-
+
Computer
Printer
Appendix E. Cabling Information E-5