Addi-Data APCI-7300-3, Important Information Manual

Page: 42 / 70

APCI-7xxx-3 Figures and Tables
38
Table 7-4: Pin assignment of port 2
Pin RS 232 RS 422 RS 485 RS422PEP Current Loop
75 TxD RA Tx / Rx + Rx+ +RCV-CL-DATA
76 RxD TB Tx- -XMIT-CL-DATA
57 -
74 GND GND GND
56 RTS RTS- Tsource
55 CTS RTS+ Rsource
37 DCD TA Tx+ +XMIT-CL-DATA
36 DSR 100
Ω
120
Ω
CTS+
17 DTR Rab CTS-
16 RI RB Tx / Rx - RX- -RCV-CL-DATA
Table 7-5: Pin assignment of port 3
Pin RS 232 RS 422 RS 485 RS422PEP Current Loop
14 TxD RA Tx / Rx + Rx+ +RCV-CL-DATA
15 RxD TB Tx- -XMIT-CL-DATA
35 -
13 GND GND GND
34 RTS RTS- Tsource
33 CTS RTS+ Rsource
54 DCD TA Tx+ +XMIT-CL-DATA
53 DSR 100
Ω
120
Ω
CTS+
73 DTR Rab CTS-
72 RI RB Tx / Rx - RX- -RCV-CL-DATA