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ground sub networks, airborne
Advance first edition (unedited) version – 30 August 2009
64
Topic and Subtopic Objectives
The students should be able to:
Level Content
networks
5. ATN Air Ground 1) Describe the air - ground sub
networks
2 VDL (mode 2, mode 3, mode 4),
HDL, AMSS, SSR mode S,
SATCOM
6. ATN Ground
Ground
1) State that the ground - ground sub
networks are composed of many
private or public components
1 PTT, commercial telecom
providers, ARINC
7. ATN On Board the
Aircraft
1) Demonstrate general awareness
of the existence of ATN sub
networks inside the aircraft
0 SATCOM
Note: wait further development for
higher level objective
8. ATN Applications 1) List the main communication
application over ATM System
1 CPDLC, DLC
5.7 Data- Protocols
1. Fundamental
Theory
1)
2)
3)
Explain the principles of layers
Explain the principles of the
addressing strategy
Explain the principles of the
routing strategy
2
2
2
Differences between layers
Routing strategies, maskssubnets
Routing tables, point to point,
connection less, name servers,
priorities, fault tolerance,
management
2. General Protocols 1)
2)
Describe and decode the general
protocols
Analyze and interpret the general
protocols
3
5
TCP/IP, X25, LAPB
TCP/IP, X25, LAPB
3. Specific Protocols 1)
2)
Describe and decode the specific
protocols
Analyze and interpret the specific
protocols
3
5
ACARS, ATN
ACARS, ATN
4. Met Data Protocol
from Satellite
1) Describe and decode the met data
protocol
2/3 SADIS
5.8 Transmission Path - Lines
1. Providers 1) State who are the local telecom
providers and the service
characteristics
1 Type of lines, rules, type of
services, global national
organization and rules
2. Lines Theory 1) List, describe and calculate
parameters of a line
1/2/3 Equation, attenuation, impedance,
S-parameters, Smith diagram,
bandwidth, HF specifics (dipoles,
multipoles)
3. Digital
Transmission
1) List, describe and calculate
parameters for digital transmission
1/2/3 Signal definition, Fourier theory,
(spectrum), signal processing
(sampling, etc.) bandwidth,
carrier, modulation, noises, S/N,
delays, group delay, line quality
(signal distortion, rate of failure),
transmission speed
4. Types of Lines 1) Describe and calculate the typical
parameters of lines
2/3 Copper wires (twisted pairs,
symmetrical cables)
Optic fibres (mono or multi modes,
connectors, splitter)
Coaxial (attenuation, losses,
bending, characteristic
impedance)
Advance first edition (unedited) version – 30 August 2009
65
Topic and Subtopic Objectives
The students should be able to:
Level Content
2)
3)
4)
Choose the appropriate type of
line for a given specific application
Measure the typical parameters of
lines
Analyze and troubleshoot a line
installation
3
3
4/5
Bandwidth, noise immunity,
availability, proximity, duality of
supplier, installation cost, running
cost
Impedance, insulation, signal
level, signal generator,
reflectometer, vector analyzer,
spectral delay
Signal generator, signal level,
automatic line analyzers, BITE
5.9 Transmission Path - Specific Links
1. Optical 1)
2)
Describe the parameters of an
optical link
Explain the performances and the
limitations of an optical link
2
2
Frequency spectrum
Distances, weather conditions,
obstruction, EMI immunity
2. Microwave Link 1) Describe the parameters of a
microwave link
2 Carrier frequency, type of
modulation, theory of fresnel, loss,
atmospheric influences
3. Satellite 1) Describe the parameters of a
satellite link
2 Uplinks, downlinks, antennas,
footprint, delays, atmospheric
influences
5.10 Recorders - Legal Recorders
1. Regulations 1)
2)
3)
Explain the international
regulations
Explain the national regulations
Explain the company regulations
2
2
2
ICAO regulations (recording and
reproducing)
Appropriate national regulations
Store tapes, access to recording
and reproducing room, time to
store information (overwrite/erase
voice or data), procedure to
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Air Traffic Safety Electronics Personnel (ATSEP)(33)
