Allen-Bradley 1203-GD2 User Manual page 31

Rs232/422/485 (using df1 protocol)
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Figure 3.7
SLC 5/03 Serial Connection Options
SLC 5/03 CPU
1747-AIC Link Coupler
1
6
2
7
3
8
4
9
5
Figure 3.8
SLC 5/03 Cable Option #3
RS232 using DF1 Protocol
Communications Module
9-Pin D-Shell
1
COM
N.C.
2
TX
N.C.
3
RX
N.C.
4
N.C.
N.C.
5
COM
Chapter 3
Installation
Option #1
or
or
Option #2
SLC 5/03 Connection Options
SLC 5/03 RS232 Port
6
7
8
9
J4
1
2
3
SW1
4
5
6
7
8
1
2
3
SW2
4
5
Communications
6
7
Module
8
1
2
3
SW3
4
5
6
7
8
J2
LED Indicators
9-Pin D-Shell
or
or
RS232
Option #3
5
COM
9
4
N.C.
DTR
CTS
8
3
TX
RTS
7
2
RX
1
DSR
6
DCD
AB0411B
AB0412C
3-15

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