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Front view
1 2
3
4 5 6
7
8
LINDY CINCH
pin 1 : brown black
pin 2 : red green
pin 3 : green blue
pin 4 : gray gray
pin 5 : purple yellow
pin 6 : blue white
pin 7 : orange red
pin 8 : yellow brown
10.3 TTL to RS 232 adapter
The cat. BB530001 TTL to RS232 adaptor consists of a cable to which are connected a male mini DIN connector (for the
CL526) and a DB 25 connector, that contains the electrical circuitry (for the PC).
The basic circuit and connections are as follows:
+
IBM
3
2
7
D
B
2
5
IBM - PC
+ 5 V
10 µF, 16 V
10 µF, 16 V
10 µF, 16 V
+
15 8
Rx
Tx
Ground
IBM
IBM
Tx
Rx
6 2 16 10
11
12
14
13
1
3
4
5
+
+
10 µF, 16 V
10 µF, 16 V
ICL 232
TSC 232
Tx
Rx
+ 5 V
CL526
Mini-Din
TTL to RS 232 converter
10.4 Communication protocol from CL526 to a PC
The exchange of information when a
CL526
is interconnected with a PC are as follows:
COMPUTER REQUEST
Computer CL526
Tx IDNAME
_
Rx IDNAME Proceed if name acknoledged
Rx IDNAME
ß
Tx IDNAME If not, do not answer
Tx Instruction
_
Rx Instruction
Rx Instruction
ß
Tx Instruction
Tx char
_
Rx char
Rx DATA 1
ß
Tx DATA 1
Tx char
_
Rx char
Rx DATA 2
ß
Tx DATA 2