Installing BDU
39
6.6.3 Connecting DC Power to BDU
You can supply DC power to the BDU in the following methods depending on the power supply available in
the vessel. Intellian provides a DC Power Cable, an AC-DC Adapter (optional), and a Terminal Block for the
power connections.
Input Range: 10.8~30 V DC
(Recommended Voltage: 24 V DC)
Above Decks
Below Decks
BDU
ADU (Antenna)
Antenna
Data, 48 V DC Power
Figure 30: DC Power to BDU Connection
1. Connecting to Battery (default): Using the DC power cable (1 m), supply the DC power to the BDU from
the battery. The power cable is installed with the Molex connector (P/No. 1716920204, Max. AWG
12). Use 1~2 m (3.28~6.56 ft) length wire for the power supply to prevent voltage drop. If you need an
extended length of power cable, refer to the following table to choose a correct size cable. Check with
your cable supplier for more information.
Cable Length
Maximum Wire Size
AWG mm²
5 m (16.40 ft) 13 2.62
10 m (32.80 ft) 11 4.17
20 m (65.61 ft) 9 6.63
BDU Power Input Range: 10.8~30 V DC
2. Connecting to AC Power Source (optional): Using the AC-DC adapter (110~220 V Input, 24 V DC output)
and power cord, supply the DC power to the BDU from the AC power source. (You can find the AC-DC
adapter in the 19-inch Rack Mount Kit).
NOTE
To connect multiple power cables from the power source, use a Terminal Block (supplied). Refer to the
following page "How to Use Terminal Block" for more details.
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