User's Manual

Interface Connections | 227
Aprisa SR User Manual
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
1
RTS
Input
Green / white
2
DTR
Input
Green
3
TXD
Input
Orange / white
4
Ground
Blue
5
DCD
Output
Blue / white
6
RXD
Output
Orange
7
DSR
Output
Brown / white
8
CTS
Output
Brown
Hardware Alarms Connections
The power and alarm connector provides two hardware alarm inputs for alarm transmission to the other
radios in the network.
1 2 3 4
Pin Number
1
2
3
4
Function
Alarm Port 1
Alarm Port 2
Power Negative
Power Positive
Protection Switch Remote Control Connections
1 2 3 4
Pin Number
1
2
3
4
Function
A radio active
Ground
B radio active
Ground