GPS RF Front End User Manual
Rev 1.0
7
4.1 INTERFACE CABLE HARNESS
The cable harness that connects the host controller to the 9 pin Micro-D connector of the GPS RF Front
End is made up of 9 wires.
Table 6: GPS RF Front End Interface Pin-Out Definitions Pin No. Pin Name I/0 Description
Pin No.
Pin Name
I/0
Description
Logic
Voltage
Range
Logic
Type
3, 4, 5
V Supply
I
Primary Power (+28
VDC)
-
-
1, 2, 6, 8
GND
I
Signal and Power
Ground
-
-
7
Temp Flag
O
Over-temp Indicator
(Low = Temperature
Fault; High = No Fault)
High =
+3.85V to
+5V
Low = 0V to
0.4V
+5V
CMOS
9
RF Enable
I
Transmit Control
High =
+3.85V to
+5V
Low = 0V to
1.65V
+5V
CMOS
