Appendix
A
RS-232-C/CCITT V.24
Interface Information
Introduction
The
RS·232·C
in terface is a stan dard serial in terface compati ble with
many computers an d tenn in al s. This appen dix provi de s a summary of
RS·232·C
in te rface specifi cati on s in cl udin g pin allocation s an d cable
schemati cs.
RS-232-C Pin Allocations
The pl otte r in te rface s to the
RS·232·C
commun ication s lin es through a
stan dard 25 ·pin femal e connector. Conn ector pin allocation s are iden ti·
fi ed an d described in the following tabl e.
Wire/Signal Name
Pin
#
RS-232-C
CCITT Y.24
Protecti ve Groun d
1
AA
101
Tran smitted Data
2
BA
103
Received Data
3
BB
104
Reque st to S en d
4
CA
105
Clear to S en d
5
CB
106
Data Set Re ady
6
CC
107
Signal Gro un d
7
AB
102
Data Carrier De te ct
8
CF
109
S econ dary Tran smit Data"
14
S BA
118
S econ dary Re ceive Data"
16
S BB
119
Data Tenninal Ready
20
CD
108
.
2
'Pins 14 and 16
are
wired only in
the Y-cable (Part No. HP 17455A)
used in
eavesdrop
configurations.
RS-232-C INTERFACING
A·1
Summary of Contents for 7475a
Page 1: ... FliOW HEWLETT PACKARD HP 7475A Graphics Plotter ...
Page 2: ...OPERATION HP 7475A AND Graphics Plotter INTERCONNECTION MANUAL ...
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