Inmarsat BRM, User Manual

Page: 20 / 90

6: Setting up the Terminal Development Kit
This section describes how to connect the TDK together, ready for it to be used over-the-air.
Notes:
Do not
supply power to the TDK until all the steps in this section have been completed.
The HDK board must be used on a clear and level surface, and do not place any items on top of the
HDK board.
Figure 1. TDK Connection Set Up for On-Air Operation
6.1: Connecting the FEM to the HDK
1. Assemble the RF cables as shown in Figure 1 .
Notes:
RF leads are part of the calibrated terminal. The labelled cables must be used as marked, i.e., the
TX cable must be connected between the TX connectors on the BRM and FEM; RX cable must be
connected between the RX connectors on the BRM and FEM, etc.
The BRM’s U.FL cables have a limited number of mating cycles.
2. Assemble the colour-coded power leads as shown in Figure 1 .
3. Connect both ends of the FEM control interface cable as shown in Figure 1 .
4. Connect the GNSS antenna to the FEM as shown in Figure 1 .
20:
BGAN Radio Module Terminal Development Kit User Guide
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