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| Cable Configurations
| Cable configurations depend on the computer or devices and
| machines in the controlling system.
| The following diagrams show some of the possible configurations for
| the RS-232C and RS-422A connection.
| RS-232C
|
Local Simplex — DTR Pacing, No Status Reporting
(7)
(2)
CTS (5) or DSR (6)
(7)
(3)
(20)
(4)
(6)
SG
RXD
DTR
RTS
DSR
SG
TXD
Com puter
Printer
|
Local Duplex — DTR or XON/XOFF Pacing, Status Reporting
(7 )
(2 )
CTS (5) or DSR (6)
(7 )
(3 )
(2 0)
(6 )
SG
RXD
DTR
DSR
SG
TXD
(3 )
(2 )
(5 )
(4 )
RTS
CTS
TXD
RXD
Com puter
Printer
Appendix E. Cabling Information E-3