User`s manual

PCI Express Board User’s Manual Pin Assignments
5-4
2-wire RS-485
Pin Signal Pin Signal Pin Signal Pin Signal
6
D6-(A)
23
D2-(A)
40
D7-(A)
57
D3-(A)
8
D6+(B)
25
D2+(B)
42
D7+(B)
59
D3+(B)
9
GND
26
GND
43
GND
60
GND
10
D4+(B)
27
D0+(B)
44
D5+(B)
61
D1+(B)
12
D4-(A)
29
D0-(A)
46
D5-(A)
63
D1-(A)
Device Side Pin Assignments
Male DB9 (OPT8D+/OPT8-M9+)
15
69
Pin RS-232
RS-422 /
4-wire RS-485
2-wire RS-485
1
DCD TxD-(A) ---
2
RxD TxD+(B) ---
3
TxD RxD+(B) Data+(B)
4
DTR RxD-(A) Data-(A)
5
GND GND GND
6
DSR --- ---
7
RTS --- ---
8
CTS --- ---
9
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