User`s manual

PCI Express Board User's Manual Driver Installation: Windows 2000
5-4
Device Side Pin Assignments
Male DB9 (CBL-M68M9x8-100/OPT8-M9+)
Pin RS-232
RS-422 /
4-wire RS-485
2-wire RS-485
1
DCD
TxD-(A)
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2
RxD
TxD+(B)
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3
TxD
RxD+(B)
Data+(B)
4
DTR
RxD-(A)
Data-(A)
5
GND
GND
GND
6
DSR
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7
RTS
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8
CTS
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9
---
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Male DB25 (OPT8B+/ CBL-M68M25x8-100)
Pin RS-232
RS-422 /
4-wire RS-485
2-wire RS-485
2
TxD
RxD+(B)
Data+(B)
3
RxD
TxD+(B)
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4
RTS
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5
CTS
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6
DSR
---
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7
GND
GND
GND
8
DCD
TxD-(A)
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20
DTR
RxD-(A)
Data-(A)
Female DB25 (OPT8A+/S+)
Pin RS-232
RS-422 /
4-wire RS-485
2-wire RS-485
2
RxD
TxD+(B)
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