Data transmission rate
A maximum of 19200 bps is permissible for data transmission with
the RS422 A/485 submodule when used in a CPU.
Pin assignments of the
RS422 A/485 submodule
Shown in the following figure are the pin assignments of the 15-pin
subminiature D-type connector in the front plate of the RS422 A/485
submodule:
Pin
Des. to
CCITT
X.24
Input/
Output
Remarks
1
Shield
2
T(A)
Output
3
C(A)
Output
4
R(A)
Input/
Output
In full duplex operation, only data
can be received on this two-wire line.
5
I(A)
Input
6
S(A)
Input
7
B(A)
Output
8
GND
9
T(B)
Output
10
C(B)
Output
11
R(B)
Input/
Output
In full duplex operation, only data
can be received on this two-wire line.
12
I(B)
Input
13
S(B)
Input
14
B(B)
Output
15
X(B)
Input
9
8
1
15
Interface Submodule
System Manual
5 - 86
C79000-B8576-C199-03
