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Installation
6009-33 Broadband At Sea
3-5
3.6.4.
You will connect you Ships Gyro Compass input to the appropriate screw terminals on these strip.
Terminal Mounting Strip Connections
3.6.5.
The Serial Control Cable is connected from the Base Multiplexer to J4A on the DAC-2202.
Control Cable Connections
3.6.6.
The cable connection from TB 4 on the Terminal Mounting Strip to the Modem is pre-connected at the
factory. This connection can provide the following connections between the ACU and the satellite modem:
NMEA GPS, Modem Lock & TX Inhibit Output Cable Connections
•
NMEA GPS output (allows the modem to adjust its link timing) ***GPS string also available via the
Ethernet port
•
Modem Lock output from the modem provides a logic input to the ACU to identify when it is on the
correct satellite.
•
A transmit inhibit output from the ACU will mute the modem transmit when the antenna is mis-
pointed 0.5 degrees. This connection is MANDATORY to comply with new FCC Order 04-286 and
WRC-03 Resolution 902.
3.6.7.
Connect the cable from the ship's gyro compass repeater to TB1 or TB3 of the Terminal mounting strip. Use
TB1 for a Step-By-Step gyro compass and match the connections to COM, A, B and C. Use TB3 for a Synchro
gyro compass and match the connections to R1, R2, S1, S2 and S3.
Ships Gyro Compass Connections
3.6.8.
Attach the connectors on the TX and RX IF cables from above decks equipment to the BDE Rack. Attach the
TX cable to the Satellite Modem “TX” connection. Attach the RX cable to the Base Multiplexer panel RX
connector. Attach the RX IF Output cable from the Base Multiplexer to the J6 RF IN connector on the rear of
the ACU. Attach the other RX IF cable from J7 RF OUT connector on the rear of the ACU to the Satellite
Modem “RX” connection.
IF Cable Connections
3.6.9.
The RX IF cable connection to the J6 “RF IN” connector on the rear of the ACU provides the satellite signal
input for the Antenna Control Unit to use to track the satellite.
AGC Tracking Input Connections
3.7.
Broadband Connections Below Decks
Refer to System Block Diagram for the Series 03 Ku-Band TX/RX System for connection information.
3.8.
Set-up & Configuration
Refer to the next section of this manual for set-up and configuration of the components in this system.
PRELIMINARY
Summary of Contents for 6009-33
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