Connect Tech PCI-104, Руководство пользователя

Страница: 32 / 42

Connect Tech Xtreme/104-Plus, PCI-104 and PCI/104 Express Family User Manual
Revision 0.09 32
19.4 Xtreme/104 Plus RS-232/422/485
Table 2: I/O Signal Assignments for RS-232/422/485 Models)
Header
Port No.
(4 port
models)
Header
Port No.
(8 port
models)
Pin
No.
RS-232 Direction RS-
422/485 Direction
1 1 or 2 1 DCD Input RxD+ Input
2 DSR Input CTS- Input
3 RxD Input RxD- Input
4 RTS Output RTS+ Output
5 TxD Output TxD+ Output
6 CTS Input CTS+ Input
7 DTR Output TxD- Output
8 RI Input RTS- Output
9 SG Signal Ground SR Signal Reference
10 N/C No Connection N/C No Connection
2 3 or 4 11 DCD Input RxD+ Input
12 DSR Input CTS- Input
13 RxD Input RxD- Input
14 RTS Output RTS+ Output
15 TxD Output TxD+ Output
16 CTS Input CTS+ Input
17 DTR Output TxD- Output
18 RI Input RTS- Output
19 SG Signal Ground SR Signal Reference
20 N/C No Connection N/C No Connection
3 5 or 6 21 DCD Input RxD+ Input
22 DSR Input CTS- Input
23 RxD Input RxD- Input
24 RTS Output RTS+ Output
25 TxD Output TxD+ Output
26 CTS Input CTS+ Input
27 DTR Output TxD- Output
28 RI Input RTS- Output
29 SG Signal Ground SR Signal Reference
30 N/C No Connection N/C No Connection
4 7 or 8 31 DCD Input RxD+ Input
32 DSR Input CTS- Input
33 RxD Input RxD- Input
34 RTS Output RTS+ Output
35 TxD Output TxD+ Output
36 CTS Input CTS+ Input
37 DTR Output TxD- Output
38 RI Input RTS- Output
39 SG Signal Ground SR Signal Reference
40 N/C No Connection N/C No Connection