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MODEL 740
BELL 801 ACÜ PARALLEL PORT TO RS-232C CONNECTOR CABLE
S i g n a l
Name
ACU
Connector
C i r c u i t
P i n
C o n t r o l l e r
P i n
Frame Ground
S i g n a l G r o u n d
Digit Present
Abandon C a l l - R e t r y
C a l l R e q u e s t
P r e s e n t N e x t D i g i t
Power I n d i c a t i o n
Data Set S t a t u s
Number B i t 1
Number Bit
2
Number B i t 4
Number B i t 8
Data L i n e Occupied
FGD
SGD
DPR
ACR
CRQ
PND
PWI
DSS
NB1
NB2
NB4
NB8
DLO
> 1
7 > -
2 > -
3>
4 >
5>
6 >
14>
15>
17>
2 2 >
> 5
> 9
> 2 5
> 2
> 4
> 6
> 8
o
!IMS INTERNATIONAL
D00740 REV 1.0 October 20, 1981 Page 10
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