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Program Actions
Program
__
A~ns
_ _ _ _
L
(Type 1 Scanner)
I
Hardware Actions
Line Set and External
_ _
(Type 2 Scanner)
- - - - - - _ _
I __
~~!~a'=._
__ - - -
Chart CC6
1
z
•
3
•
4
•
5
A
~
A
I
..
3,3 MS F"ROM
•
LAST SVC REQ
LZ INTERRUPT
SET SVC REQ
B
IF"OR CHAR SVC I
IN ICW
B
..
•
START RCV
PDF"=3Z
RCV SECOND
c
TIME-OUT
SYN CHAR 13ZI
c
14 MS PLUS
TURNAROUND TIME
..
OF" TERMINAL F"ROM
•
LAST SVC REQ
LZ INTERRUPT
SET SVC REQ
0
IF"OR CHAR SVCI
IN ICW
0
..
•
RCV
POF"=IO
RCV
E
OLE I IOI
OLE I IOI
E
SEE NOTE
..
3.3 MS F"ROM
•
LAST SVC REQ
LZ INTERRUPT
SET SVC REQ
F"
IF"OR CHAR SVCI
IN ICW
F"
..
•
RCV
POF:116I
RCV
G
I
1&11
ACK I
1&11
G
SEE NOTE
..
3.3 MS F"ROM
•
LAST SVC REQ
NOTE:
ACK I
IS A
TWO CHARACTER
SEQUENCE CONS I ST I NG
LZ INTERRUPT
SET SVC REQ
OF X' 10' ANO X'61'
H
IF"OR CHAR SVCI
IN ICW
H
..
•
SEND ANOTHER DATA
,J
B~~gKtu~~A~B~~D
En
,J
MON I TOR F"OR ENQ
F"ROM TERMINAL
..
•
K
K
•
z
•
3
•
•
5
Figure 9.
Exampl~
of Dedicated Half-Duplex Service-Programmed for an IBM Binary Synchronous Communication Terminal
(Part 6 of 6)
Examples of Interface Sequences between the IBM 3704 and 3705 and the Communication Line 37
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