COBHAM 7023A, Installation Manual

Page: 101 / 167

Installation check list: BDU, connectors and wiring
98-175666-A Chapter 5: Installation check lists 5-2
5.2 Installation check list: BDU, connectors and wiring
Step Task
Verification and further
information
Done
1.
Check that the BDU is grounded
correctly, using the mounting bolts and
washers. See To ground the BDU on
page 2-28 and
Grounding and RF protection
on page E-1.
2.
Make sure you strain relieved the cables. See To install the BDU on
page 2-28.
3.
Make sure that the VSAT modem is
mounted close to the BDU. See The following sections
describe the installation and
how to ground the modem.
on
page 2-28.
4.
Check that the ADU antenna N-
connector is properly connected with the
50 Ohm RF cable. Visual inspection of the cover
plate at the bottom of the ADU.
5.
Check that the BDU antenna N-
connector is properly connected with the
50 ohm RF cable. Visual inspection of the
connector panel of the BDU.
6.
Check that the BDU's
Rx Out
is
connected to the VSAT modem’s Rx in
using the included 1 m F-F 75 ohm cable.
Visual inspection of the
connector panel of the BDU
and the VSAT modem.
7.
Check that the BDU's
Tx In
is connected
to the VSAT modem's Tx out using the
included 1 m F-F 75 ohm cable.
Visual inspection of the
connector panel of the BDU
and the VSAT modem.
8.
Check connection of the VSAT modem: Visual inspection of the
connector panel of the BDU
and the VSAT modem.
9.
Check that the ADU's NMEA 0183
connector is connected to the NMEA
0183 bus of the vessel using the included
multi-connector Visual inspection of the
connector panel of the BDU
connector.
Table 5-2: Installation check list: BDU, connectors and wiring