Interface Connections | 297
Aprisa SRx User Manual 1.3.0
RS-232 Serial Interface Connections
The RS-232 Serial Interface is always configured as a DCE:
RJ45
Pin Number
Pin Function
Direction
TIA-568A Wire
Colour
TIA-568B Wire
Colour
1
RTS
Input
Green / white
Orange/white
2
DTR
Input
Green
Orange
3
TXD
Input
Orange / white
Green/white
4
Ground
Blue
Blue
5
DCD
Output
Blue / white
Blue/white
6
RXD
Output
Orange
Green
7
DSR
Output
Brown / white
Brown/white
8
CTS
Output
Brown
Brown
Note:
The TIA-568B wiring is the most commonly used and matches the cables we supply.
RJ45 connector LED indicators
LED
Status
Explanation
Green
On
RS-232 device connected
Orange
Flashing
Data present on the interface