Training, Installation & Service Manual - Livewire Connections Ltd

SAILOR 900 VSAT system
2.1.3 Antenna Control Unit (ACU)
The ACU is the central unit in the system. It contains all user
interfaces and manages all communication between the ADU and
connected the VMU, a connected PC and an optional
FleetBroadband service communication line. The ACU has a display,
status LEDs and a keypad. It provides a DHCP client. During
configuration you can configure heading offset, save satellite and
VMU setups and enter No Transmit Zones (blocking zones in which
the ADU does not transmit).
The ACU provides DC power to the ADU through a single coaxial
cable. You can use the SAILOR 6080 Power Supply to provide the DC
power for the ACU.
2.1.3.1 ACU interfaces
The ACU has the following interfaces and switch:
ADU Rx Out Tx in RS-422 LAN 1 LAN 2
Modem Ctrl. Modem Ctrl.
mm 2 .
NMEA
RS-232 LAN 3 LAN 4
Service port
Power
On/Off
Figure 2-6: SAILOR 900 VSAT ACU, connector overview
• N-connector for ADU cable (50 Ohm).
• 2 x F connectors for Rx and Tx cables (75 Ohm) to VSAT modem.
• Multi connector for NMEA interfaces (for input from GPS compass
or Gyro compass).
• RS-422 interface for modem control.
• RS-232 interface for modem control.
• 4 x LAN ports for VSAT modem control and user equipment (i.e.
for SAILOR FleetBroadband service communication line or WAN
port for VSAT Internet).
• Power connector.
• On/Off power switch
2-8 Chapter 2: Introduction 98-133966-E2