B–12 RS-232 Communication Interface
Publication
1747-6.2
SLC
5/03, SLC 5/04, or SLC 5/05 Processor to another SLC 5/03,
SLC 5/04, or SLC 5/05, IBM AT
, 1770-KF3, 1775-KA, 1773-KA, 5130-RM,
or PLC-5 (Hardware Handshaking Disabled)
➀
DCD
1
3
2
4
5
6
7
8
8
2
3
20
7
6
4
5
TXD
RXD
DTR
COM
DSR
RTS
CTS
GND
1
1
3
4
5
6
7
8
9
2
DCD
NC
RXD
TXD
DTR
COM
DSR
RTS
CTS
9 Pin
5/03
9 Pin 25 Pin
(DTE) (DTE)
Peripheral
➁
➁
➁
Device
➂
➁
➀
You
can also use cable 1747-CP3.
➁
Jumpers are only needed if you cannot disable the hardware handshaking on the port.
➂
Connect to the shield of the cable.
SLC
5/03, SLC 5/04, or SLC 5/05 Processor Connected to an IBM A
T
with a 1747-CP3 Cable
DCD
1
3
2
6
5
4
8
7
TXD
RXD
DSR
COM
DTR
CTS
RTS
1
3
4
5
6
7
8
9
2
DCD
NC
RXD
TXD
DTR
COM
DSR
RTS
CTS
9 Pin
5/03
9 Pin
(DTE) (DTE)
IBM
AT
1747-KE to a Modem (Hardware Handshaking Enabled)
DSR
6
2
3
4
5
1
7
8
6
3
2
20
7
8
4
5
RXD
TXD
DTR
COM
DCD
RTS
CTS
GND
1
1
3
4
5
6
7
8
9
2
NC
NC
RXD
TXD
DTR
COM
DSR
RTS
CTS
9 Pin
1747–KE
9 Pin 25 Pin
➀
(DTE) (DCE)
Modem
9
22RI
➀
Connect
to the shield of the cable.
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