Siemens OCM III - Page 102

Interconnection
Bipolar Current
RS-232
IBM PC Computer Connection
refer to CVCC
instruction
manual for
connection to
computer
computer serial port
DB-9 connector
computer serial port
DB-25 connector
1234567
CVCC
TB1
+
-
-
C
O
M
M
O
N
T
R
A
N
S
M
I
T
R
E
C
E
I
V
E
+
S
H
E
I
L
D
T
X
D
T
X
D
S
H
L
D
+
-
S
H
L
D
1 2 3 4 5 67891011
OCM-3
TB1
T
X
T
X
+
R
X
R
X
+- -
BIPOLAR
I/O
CURRENT
O/P
CURRENT
O/P
7ML19985AB01 OCM III 103