19
Installation
Connecting the System with a Ship’s
Gyrocompass
It is required to connect the ship gyro to the mediator through
the “NMEA” connector on the rear of the mediator. Intelligent
Mediator supports the gyro compasses in the “NMEA0183”
and “NMEA2000” standards. For other gyro types (i.e.,
Step-by-Step/Synchro), a gyro converter is required to be
connected inbetween from ship gyro to Intelligent Mediator,
which converts ship gyro signal into NMEA type.
For satellite tracking, you must connect a ship’s gyrocompass
to the antenna system through the gyrocompass interface
on the rear of the ACU. Intellian’s ACU supports NMEA
0183 and NMEA 2000 gyrocompass inputs. If the ship’s
gyrocompass output uses a different standard, a compass
converter should be installed to supply the required NMEA
input.
NOTE
NOTE:
• When connecting the NMEA 0183
gyrocompass input, strip the cable for
5 mm (0.2”). Do not solder the cable.
• If the ship gyro is connected to the
Mediator, a separate gyrocompass
connection to the ACU is not required.
ACU1
Modem Rx Modem Tx
ACU2 ACU3
M&C Server
1 3
2 4
1 3
2 4
ARM
Service
2000
0183C Ku PC Intellian M&C
ACU & Mediator ModemKa(GEO)
Ka(MEO1)
C
Ku Ka(GEO) Ka(MEO)Ka(MEO2)
Rx
Tx
NMEA Input
ANT 1 ANT 2 ANT 3
100-240V ~ 50/60Hz 1A F 5 AL 250Vac
Modem Interface
(C) RS232 & Console (Ka) RS232 & Console
(Ku) RS232 & Console (Ka) BUC Interface
NMEA Input
2000/0183
Ship’s
Gyrocompass
(Not supplied)
Intelligent Mediator
• Gyrocompass Interface Cable(Customer Supplied) Information
NMEA 0183 NMEA 2000
Connector
Type
2 Conductors Mini-C 5 pin
Heading
Sentence
xx HDT (4800 Baud, 8, N, 1).
If there is no HDT sentence
then use HDM sentence
instead.
PGN Number =
127250
(Vessel Heading)
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