Contec COM-2PD-LPE User Manual page 19

Rs-422a/485 2ch serial i/o board with isolation for pci express low profile
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2. Setup
- Falf-duplex
Terminator (Bit9)
TxD
RxD
Terminator (Bit7)
Set the RTS, CTS terminator to OFF.
Figure 2.5. Setting Switch Circuits
Terminator (Bit9)
TxD
RxD
Terminator (Bit7)
Terminator (Bit0)
RTS
CTS
Terminator (Bit8)
Figure 2.6. Connecting the RTS, CTS to the remote device
14
Terminator (Bit7)
RxD
TxD
Terminator (Bit9)
Terminator (Bit7)
RxD
TxD
Terminator (Bit9)
Terminator (Bit8)
CTS
RTS
Terminator (Bit0)
Inserted
MODE
TERM
ON
1
2
3
4
5
6
7
8
9 10
SW2, SW3
RxD TxD
CTS RTS
Inserted
MODE
TERM
ON
1
2
3
4
5
6
7
8
9 10
SW2, SW3
RxD TxD
CTS RTS
Not inserted
MODE
TERM
ON
1
2
3
4
5
6
7
8
9 10
SW2, SW3
RxD TxD
CTS RTS
Not inserted
MODE
TERM
ON
1
2
3
4
5
6
7
8
9 10
SW2, SW3
RxD TxD
CTS RTS
COM-2PD-LPE

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