Connect Tech Xtreme/104-Plus, PCI-104 and PCI/104 Express Family User Manual
Revision 0.09
36
20 Cable Pinouts
20.1 Single, Quad and Octal cables
Table 6: DB-9 Male Cable Pinouts
Pin #
RS-232
RS-422/485
RS-423 [1]
DB-9
Signal
Direction
Signal
Direction
Signal
Direction
1
DCD
Input
RxD+
Input
RxD+
Input
2
RxD
Input
RxD-
Input
RxD-
Input
3
TxD
Output
TxD+
Output
TxDRef (TxD+)
Signal Reference
4
DTR
Output
TxD-
Output
TxD-
Output
5
SG
Signal Ground SR
Signal Reference GND
Ground
6
DSR
Input
CTS-
Input
CTS-
Input
7
RTS
Output
RTS+
Output
RTSRef (RTS+)
Signal Reference
8
CTS
Input
CTS+
Input
CTS+
Input
9
RI
Input
RTS-
Output
RTS-
Output
Notes:
[1] Applies to the following cable:
1 Port Cable
– CAG104
4 Port Cable - CAG8104
8 Port Cable
– CBG082
……..and most other DB9 Male cables.
20.2 Xtreme/PCI-104 12 Port Opto
Table 7: CBG067 DB-9 Male Cable Pinouts for 12 Port Opto model
Pin #
RS-232
RS-422/485
RS-485 2-wire (Half Duplex)
DB-9
Signal
Direction
Signal
Direction
Signal
Direction
1
NC
RX-
Input
NA
Input
2
RX
RX+
Input
NA
Input
3
TX
Output
TX+
Output
TXRX+
Signal Reference
4
NC
Output
TX-
Output
TXRX-
Output
5
GND / SR
GND / SR
GND / SR
GND / SR
GND / SR
GND / SR
6
NC
RTS-
Input
NA
Input
7
RTS
Output
RTS+
Output
NA
Signal Reference
8
CTS
CTS+
Input
NA
Input
9
NC
CTS-
Output
NA
Output
D
6
1
DB-9 Male
5
9
D
6
1
DB-9 Male
5
9
