User manual
Connect Tech Xtreme/104 Plus, PCI-104 and PCI/104 Express Family User Manual
Revision 0.08
27
Xtreme/PCI-104 12 Port Opto
Table 5: 10 Pin R/A Port Header Pinouts on 12 Port Opto Models
Pin
No.
RS-232
Direction
RS422/485 4-wire
Direction
RS485 2-Wire
(Half Duplex)
Direction
1
NC
NC
RxD (-)
input
NC
NC
2
RXD
input
RxD (+)
input
NC
NC
3
RTS
output
RTS (+)
output
NC
NC
4
NC
NC
RTS (-)
output
NC
NC
5
TXD
output
TxD (+)
output
TxD/RxD+
input/output
6
NC
NC
TxD (-)
output
TxD/RxD-
input/output
7
NC
NC
CTS (-)
input
NC
NC
8
CTS
input
CTS (+)
input
NC
NC
9 *
GND / SR
GND / SR
GND / SR
GND / SR
GND / SR
GND / SR
10 *
GND / SR
GND / SR
GND / SR
GND / SR
GND / SR
GND / SR
19
10 2
* SR means Signal Reference. This is terminology used in RS485 communications.
NC means No Connect. Please avoid connecting to these pins.
Table 6: 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