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Communication Links
Third VHF COMM − Using the SYSTEM SELECT page on the RMU, the pilot can select COM 3
MODE to be VOICE or DATA. When DATA is selected, the data link is in control of the radio; data
frequency is selectable only through the data link.
SATCOM − Automated to this link as required (VHF or UHF not available). Pilot selectable if
desired.
UHF (Telephony) − Available through the Cabin Communication System. Weather maps
(graphical weather) could be routed to the airplane via this medium.
Data Link Features
Flight Planning
• Requests flight plans from service provider.
• Reports current flight plan to service provider.
Enroute Winds Aloft
• Request winds aloft for flight plan.
• Report current wind at present position.
Position Reporting (ICAO format)
• Send crew initiated position report.
• Automatically send position report.
Pre-flight Data Request
• ATIS, terminal weather, departure clearance and oceanic clearance.
In flight Communication
• 000I reports, ETA update, diversion, fuel update, flight delay and airplane problem report.
Messages
• Send message, messages received.
Text Weather
• Terminal, Sigmets and Pireps.
Graphical Weather Maps
• Composite, significant, tops/movement, depiction, satellite and winds/temp aloft.
Configure Data Link System
• VHF, SATCOM, telephony, display telelink configuration, discretes configuration, ARINC
ports/devices configuration and display telelink faults.
COMMUNICATIONS
Rev 12, Aug 14, 2006 Flight Crew Operating Manual
CSP 700−5000−6
Volume 2
06−10−35
AIRBORNE DATA LINK SYSTEM (CONT'D)
Data Link Features (Cont’d)
The crew can access the DATALINK INDEX PAGE from the NAV INDEX page of the flight
management system.
GF0610_067
NAV INDEX 1/2
FPL LIST FPL SEL
WPT LIST DATA LINK
DEPARTURE ARRIVAL
POS SENSORS TUNE
DATALINK INDEX 2/2
FLT PLAN WINDS
REPORTS PREFLIGHT
TEXT WX INFLT COMM
WX MAPS MESSAGES
For additional system description and operation, refer to the applicable manufacture handbook.
SATCOM
The multi channel Satellite Communications (SAt-6100) System is provided for worldwide voice and
data communications over L− band frequencies.
The SATCOM system interfaces with a dedicated antenna sub-system to provide satellite
communications. A minimum of three satellite communications channels are required: two voice
channels and one data channel. One voice channel is dedicated to the flight compartment and
another voice channel is dedicated to the Office In The Sky (OITS) telephone. The data channel is
assigned for either the Airborne Flight Information System (AFIS) or the OITS facsimile or modem.
The Rockwell Collins SAT-6000 consists of a six channel SATCOM system and antenna.
Components include:
• Satellite data unit (forward avionics bay).
• High power amplifier (vertical stabilizer).
• Radio frequency unit (forward avionics bay).
• High gain antenna (top of vertical stabilizer).
• Cabin communication system interface via handset.
• IRS.
• Airborne data link system.
• Maintenance system through CAIMS.
• PC data and FAX capability.
Satellite Data Unit (SDU)
Provides interface to all airplane avionics and contains the location of the applicable satellites and
rate/frequency translation for two voice communication.
Radio Frequency Unit (RFU)
The RFU provides three additional simultaneous voice communication channels when operated in
conjunction with the SDU.
High Power Amplifier (HPA)
The HPA provides rate/frequency power amplification on the L band signals generated by the
satellite data unit or radio frequency unit to a power level required for transmission to the satellite.
COMMUNICATIONS
Flight Crew Operating Manual Rev 12, Aug 14, 2006
CSP 700−5000−6
Volume 2
06−10−36
SATCOM (CONT'D)
High Gain Antenna/Antenna Control Unit
The antenna is steered by the antenna control unit to point a high gain beam in the direction of the
desired satellite.
COMMUNICATION LINK SCHEMATIC
The following schematic depicts the interface between the various components as related to the
Rockwell Collins SAT-6000, minus buyer furnished equipment. Example: PC data provision, FAX and
analog phones.
GF0610_068
DATA
COMMUNICATIONS
LONG DISTANT
TELEPHONE
COMPANIES
LOCAL
TELEPHONE
COMPANY
PHONE HANDSET
FAX
PC/MODEM
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