Product data

APCI-7xxx-3 Figures and Tables
Table 7-3: Pin assignment of port 1
Pin RS 232 RS 422 RS 485 RS422PEP Current Loop
20 TxD RA Tx / Rx + Rx+ +RCV-CL-DATA
19 RxD TB Tx- -XMIT-CL-DATA
18 GND GND GND
39 RTS RTS- Tsource
38 CTS RTS+ Rsource
59 DCD TA Tx+ +XMIT-CL-DATA
58 DSR
100 Ω 120 Ω
CTS+
78 DTR Rab CTS-
77 RI RB Tx / Rx - RX- -RCV-CL-DATA
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
35