User manual
Connect Tech Xtreme/104-Plus, PCI-104 and PCI/104 Express Family User Manual
Revision 0.08
26
Xtreme/104 Plus Opto 4&8 Port
Table 3: 10 Pin R/A Port Header Pinouts on Opto Models
Pin No.
RS-232
Direction
Direction
Direction
1
NC
NC
RxD (+)
input
2
NC
NC
CTS (-)
input
3
RxD
input
RxD (-)
input
4
RTS
output
RTS (+)
output
5
TxD
output
TxD (+)
output
6
CTS
input
CTS (+)
input
7
NC
NC
TxD (-)
output
8
NC
NC
RTS (-)
output
9
isolated
gnd.
signal gnd.
isolated
gnd.
signal reference
10
N/A
N/A
N/A
N/A
4
6
8
10
9
7
5
3
Printed circuit board
2
1
Ribbon Cable
Red stripe = pin 1
10 pin header
Cable header
Arrow
View facing 10 pin header
Note: The red stripe on the CAG104 cable indicates pin 1 on the
10 pin cable header connector.
Table 4: DB-9 Male Fan-out 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 [2]
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] When CAG8104 cable assembly is attached.
[2] 47Ω to GND. Ground is connected to the DC ground by a 47Ω resistor to
reduce ground loop current
D
6
1
DB-9 Male
5
9