Table of Contents
Advertisement
I
(Type
1
scanner!
I
Program
Hardware Actions
Line Set and External
Actions
l-
(Type 2 Scanner)
_,_
Modem Interface
----.--- --
--
--- -------- -- ----
-.-
-- -- --
--
Chart CC3
I
2
'
3
'
4
'
I
I
I
A
A
I
•
I
..
RCV
POF':IO
I
B
OLE I IOI
1101
B
•
3.3 MS F'ROM
..
LAST SVC REQ
L2 INTERRUPT
SET SVC REQ
c
I F'DR CHAR SVC I
IN ICW
c
•
..
RCV
POF':70
0
0 1701
RCV ACK 0 170 I
0
SEE NOTE
•
3.3 MS F'ROM
..
LAST SVC REQ
NOTE:
ACKOISA
TWO CHARACTER
SEQUENCE CONSISTING
OF X'IO' AND X'70'.
L2 INTERRUPT
SET SVC REQ
E
IF'OR CHAR SVC I
IN ICW
E
•
..
RCV
POF:XF
F'
PAD IXF'I
RCV PAO IXF'I
F'
•
3.3 MS F'ROM
..
LAST SVC REQ
L2 INTERRUPT
SET SVC REQ
G
I F'OR CHAR SVC I
IN ICW
G
•
..
SDF'=OAA
OUTPUT PAD
AT BIT SVC
AND F:IRST
SCAN WITH
POF'a32
SET XMIT
H
SYN CHAR.
CTS
?~J.i~END
SEND PAD IAAI
H
SET PCF'a8
SET PCF'•9
•
TIME F'ROM OUTPUT
UNTIL SVC REQ: 3.8 MS
. .
MAX, 3.3 MS MIN
SET SVC REQ
.)
L2 INTERRUPT
IN ICW
.)
•
..
K
K
"'
3
"'
"'
5
Figure 9.
Exllmpk
of Dedicated Half-Dupleir-Service-Programmed for an IBM Binary Synchronous Communication Terminal
(Part
3
of 6)
34
IBM 3704 and 3705 Communications Controllers Original Equipment Manufacturers' Information
Advertisement
Table of Contents
