Installation check list: ACU, modem, connectors and wiring
7-2 Chapter 7: Installation check 98-148248-C
7.2 Installation check list: ACU, modem, connectors
and wiring
Step Task Verification and further information Done
1.
Check that the grounding of the ACU is
correctly, using the mounting bolts and
washers.
See To ground the ACU on page 3-23 and
Ground and RF protection on page C-1.
2.
Make sure that the modem is mounted
close to the ACU (preferably next to it).
Visual inspections.
3.
Check that the ADU antenna N-connector
is properly connected with the 50 Ohm RF
cable.
Visual inspection of the bottom of the ADU. See
section Installation procedure on page 3-19.
4.
Check that the ACU antenna N-connector
is properly connected with the 50 Ohm RF
cable.
Visual inspection of the connector panel of the
ACU.
5.
Check that the ACU's Rx Out is connected
to the modem Rx in using the included
1 m F-F 75 ohm cable.
Visual inspection of the connector panel of the
ACU and the modem. See the figure To connect
the ADU, ACU and modem on page 3-24.
6.
Check that the ACU's Tx In is connected
to the modem Tx out using the included
1 m F-F 75 ohm cable.
Visual inspection of the connector panel of the
ACU and the modem. See the figure To connect
the ADU, ACU and modem on page 3-24.
7.
Check that the ACU's RS-232 is connected
to the modem using the included serial
cable.
Visual inspection of the connector panel of the
ACU and the modem. See the figure To connect
the ADU, ACU and modem on page 3-24.
8.
Check that the ACU's RS-232 is connected
to the modem’s using the included serial
cable.
Visual inspection of the connector panel of the
ACU and the modem. See the figure To connect
the ADU, ACU and modem on page 3-24.
9.
Check that the ACU'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
ACU connector. See Table 4-4 on page 4-3.
10.
Check that the power cable is plugged into
the ACU and that AC power is available.
Visual inspection.
11.
Check that the AC power cable is plugged
into the modem and that AC power is
available.
Visual inspection.
Table 7-2: Installation check list: ACU, connectors and wiring