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MODEL 740
SERIAL PORT TO RS-232C CONNECTOR CABLE
Signal
Name
P r o t e c t i v e Ground
S i g n a l G r o u n d
T r a n s m i t D a t a
(Data to MODEM)
R e c e i v e Data
( D a t a f r o m MODEM)
R e q u e s t To Send
Clear To Send
Data Set Ready
Data T e r m i n a l Ready
R i n g I n d i c a t o r
Data C a r r i e r Detect
T r a n s m i t Clock
(Clock From MODEM)
R e c e i v e Clock
(Clock From MODEM)
RS-232C
C i r c u i t
P i n
£\£\
AR
£\D
RA
DA
RR
DD
r*A
v>A
r*R
vxJD
pr»
vA^
f~*T\
OJJ
r*f?
Vxui
T»R
± /
7v
1 /
o x
—
3
\
^ _ _
/
— — —
4 \ _ _ _ _ _ _ _
^ — — — — — — —
c ; s _ _ _ _ _ _ _
6
\ /
O f t \
_ __ _
_
O 0 N _ — — —
___
O S
o ^ — — — — — — —
i ti \
C o n t r o l l e r
P i n
> 1
> 3
> 5
> 7
> 9
DD
17>
> 4
> 8
IMS INTERNATIONAL
D00740 REV 1.0 October 20, 1981 Page 9
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