FV-110 system
1-6
ACU interfaces
The ACU has the following interfaces and switch:
• 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.
• AC input.
• On/Off power switch
The ACU has additionally a LAN connector at the front for accessing the service port
from the ACU front panel.
Installation friendly
The ACU comes in a 19” rack version.
Service friendly
You can do remote diagnostics and service with the ACU. Its built-in test equipment
checks constantly the device for proper functioning. It performs POST (Power On Self
Test) and you can request a PAST (Person Activated Self Test). Continuous Monitoring
(CM) is also available. BITE error codes can be read out in the web interface and in the
display of the ACU.
Software update is done via a connected PC and the built-in web interface of the ACU.
LAN3 (Service)
to front
NMEA
RS-232
RS-422
Ground
RX Out
TX In
LAN1 to 4
LAN1, 2: Modem Control
AC power
Fuse 7AT/SB
Antenna
Figure 1-5: FV-110 ACU, connector overview
Figure 1-6: FV-110 ACU, 19” rack version
Service port
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