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2703/3
*2702 Only
** 2703 Only
C
't
trCUl
AA Protecti ve Ground
AS Signal Ground
SA Transmitted Data
SB Received Data
CA Request to Send
CC Data Set Ready
CD Data Termi nal Ready
*CF Data Carrier Detector
**CB Clear to Send
Figure 3-1. Data Set Interface (Start/Stop)
C
·t
Ircul
Protective Ground - AA
Transmitted Data - BA
Received Data - BB
Request to Send - CA
Clear to Send - CB
External
Data Set
Data Set Ready - CC
Signal Ground - AB
Data Carrier Detector - CF
P' N
In
o.
(1)
(7)
(2)
(3)
(4)
(6)
(20)
(8)
(5)
P'
N
In
o.
(1 )
(2)
(3)
(4)
(5)
(6)
(7)
(8)
Supervisory Transmitted Data - SA (11)
Data Terminal Ready - CD
(20)
Figure 3-2. 2712 Feature Data Set Interface
3-2
External
Data Set
2702/3 - 271 2
Feature
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