Table 7-6: Pin Assignment Of Port 6; Table 7-7: Pin Assignment Of Port 7; Table 7-8: Pin Assignment Of Port 8 - Addi-Data ADDICOM APCI-7800 Technical Description

APCI-7800
Pin
65
66
64
47
46
45
27
26
7
6
Pin
4
5
3
25
24
23
44
43
63
62
Pin
60
61
40
42
41
22
2
21
1
TA: Tx422+
TB: Tx422-

Table 7-6: Pin assignment of port 6

RS 232 RS 422
TxD RA
RxD TB
GND
-
RTS
CTS
DCD TA
DSR
100Ω
DTR Rab
RI RB

Table 7-7: Pin assignment of port 7

RS 232 RS 422
TxD RA Tx / Rx +
RxD TB
GND
-
RTS
CTS
DCD TA
DSR
100Ω
DTR Rab
RI RB Tx / Rx -

Table 7-8: Pin assignment of port 8

RS 232 RS 422
TxD RA
RxD TB
GND
RTS
CTS
DCD TA
DTR Rab
DSR
100Ω
RI RB
RA: Rx422+
RB: Rx422-
Connecting the peripheral
RS 485 Current Loop
Tx / Rx + +RCV-CL-DATA
-XMIT-CL-DATA
GND
Tsource
Rsource
+XMIT-CL-DATA
120Ω
Tx / Rx - -RCV-CL-DATA
RS 485 Current Loop
+RCV-CL-DATA
-XMIT-CL-DATA
GND
Tsource
Rsource
+XMIT-CL-DATA
120Ω
-RCV-CL-DATA
RS 485 Current Loop
Tx / Rx + +RCV-CL-DATA
-XMIT-CL-DATA
Tsource
Rsource
+XMIT-CL-DATA
120Ω
Tx / Rx - -RCV-CL-DATA
33