
Network Design
and Setup
3–27
Network Design and Setup
RS422 — — —
Slaves: DL405 DCM, DL305 RS422 DCU
Slaves: DL405 CPU Ports
RS422 — — —
22
23
24
25
+OUT
–OUT
–IN
+IN
7 GND
10
11
12
13
14
15
16
17
22
23
24
25
+RTS
–RTS
+CTS
–CTS
+OUT
–OUT
–IN
+IN
+OUT
–OUT
–IN
+IN
7 GND
10
11
12
13
14
15
16
17
22
23
24
25
+RTS
–RTS
+CTS
–CTS
+OUT
–OUT
–IN
+IN
+OUT
–OUT
–IN
+IN
7 GND
10
11
12
13
14
15
16
17
+RTS
–RTS
+CTS
–CTS
+OUT
–OUT
–IN
+IN
DCM Master
Slave Slave
7 GND
10
11
12
13
14
15
16
17
22
23
24
25
+RTS
–RTS
+CTS
–CTS
+OUT
–OUT
–IN
+IN
+OUT
–OUT
–IN
+IN
7 GND
19
18
11
23
14
16
10
9
+RTS
–RTS
+CTS
–CTS
+OUT
–OUT
–IN
+IN
7 GND
19
18
11
23
14
16
10
9
+RTS
–RTS
+CTS
–CTS
+OUT
–OUT
–IN
+IN
7 GND
19
18
11
23
14
16
10
9
+RTS
–RTS
+CTS
–CTS
+OUT
–OUT
–IN
+IN
DCM Master
Slave Slave Slave
Termination Resistor
Termination Resistor
Termination Resistor Termination Resistor
A
B
AB
A
B
AB
C
C
CD
C
D
DL405
DCM
DL305
DCU
DL405
CPU
DL405
CPU
DL405
CPU
DL405
DCM
DL305
DCU
DL405
CPU
DL405
CPU
DL405
CPU
Pin labeling conforms to the IBM DTE and DCE standards.
DL405 DCM Master
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