NuPower
TM
ULS-25-C01-S01 User Manual
Rev 1.0
8
4
HARDWARE INTERFACE
•
The RF Input connector is SMA (female).
•
The RF Output connector is SMA (female).
•
The pin-out definitions for the 9 pin Micro-D socket connector are provided in Table 6. In a typical
installation, the PA module is mated to a host controller board via a cable harness.
The RF Out SMA connector is the antenna connection. This connection should always
be loaded into 50
Ω
, otherwise the PA could be damaged.
4.1
INTERFACE CABLE HARNESS
The cable harness that connects the host controller to the 9 pin Micro-D connector of the NuPower ULS-
25-C01-S01 is made up of 9 wires.
Table 6: NuPower ULS-25-C01-S01 Interface Pin-Out Definitions
Pin No.
Pin Name
I/0
Description
1, 2
GND
I
Signal and Power Ground
3, 4
V Supply
I
Primary Power (+28 VDC)
5
RF Enable
I
Transmit Control
6
N.C.
-
N/A
7
Bit 1
I
Power Back-off mode, see Table 5
8
Temp Flag
0
Over-temp Indicator
9
Bit 2
I
Power Back-off mode, see Table 5
Figure 4: Micro-D Socket Locations
