APCI-7xxx-3
Pin
RS 232
9
TxD
10
RxD
8
GND
30
-
29
RTS
28
CTS
49
DCD
48
DSR
68
DTR
67
RI
Pin
RS 232
65
TxD
66
RxD
64
GND
47
-
46
RTS
45
CTS
27
DCD
26
DSR
7
DTR
6
RI
Tabelle 7-7: Belegung der Schnittstelle 5
RS 422
RS 485
RA
Tx / Rx +
TB
TA
100 Ω
120 Ω
Rab
RB
Tx / Rx -
Tabelle 7-8: Belegung der Schnittstelle 6
RS 422
RS 485
RA
Tx / Rx +
TB
TA
100 Ω
120 Ω
Rab
RB
Tx / Rx -
Anschluss an die Peripherie
RS422PEP
Rx+
Tx-
GND
RTS-
RTS+
Tx+
CTS+
CTS-
RX-
RS422PEP
Rx+
Tx-
GND
RTS-
RTS+
Tx+
CTS+
CTS-
RX-
Current Loop
+RCV-CL-DATA
-XMIT-CL-DATA
GND
Tsource
Rsource
+XMIT-CL-DATA
-RCV-CL-DATA
Current Loop
+RCV-CL-DATA
-XMIT-CL-DATA
GND
Tsource
Rsource
+XMIT-CL-DATA
-RCV-CL-DATA
37