Training, Installation & Service Manual - Livewire Connections Ltd

Installation of the ACU (bulkhead)
3.4 Installation of the ACU (bulkhead)
The following sections describe the installation of the bulkhead
ACU.
Installation of the SAILOR 900 VSAT 19” Rack ACU is described in
Installing the 19” rack version of the ACU on page 3-30.
3.4.1 Installing the ACU (bulkhead)
The cable relief for the ACU is already mounted when receiving the
ACU. The cable relief is a simple system to secure cables with cable
strips. It offers a number of holders to which you can secure the
cables from the ACU.
1. Place the ACU on a desktop.
If required, fasten the ACU to the desktop with 6 screws: Insert
the mounting bolts (M5) through the mounting holes and into
the mounting surface.
2. Make sure the grounding requirements are met. See Grounding
the ACU (bulkhead) on page 3-27 and the appendix Grounding
and RF protection on page F-1 for details about grounding.
3. Connect all cables. See Interfaces of the SAILOR 900 VSAT ACU on
page 4-1 for a description of the ACU connectors.
4. Secure the cables using cable strips.
3.4.1.1 Connectors of the ACU
The ACU has the following connectors:
ADU Rx Out Tx in RS-422 LAN 1 LAN 2
Modem Ctrl.
mm 2 .
NMEA
RS-232 LAN 3 LAN 4
Service port
Figure 3-24: ACU, connector panel
Power
On/Off
Each connector is described in detail in Interfaces of the SAILOR 900
VSAT ACU on page 4-1.
For information on wiring 24 V DC power see DC Input connector on
page 4-3.
3-26 Chapter 3: Installation 98-133966-E2