An Inmarsat-C terminal will not "LOG IN". A...

Question 1 / 20FDrEJidEac3AORZiN9Uv

Question 1 of 20FDrEJidEac3AORZiN9Uv

An Inmarsat-C terminal will not "LOG IN". A test antenna cable with a new ADE attached in view of the satellite allows the terminal to "LOG IN". What steps would you take?

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Question 1 of 20

FDrEJidEac3AORZiN9Uv

An Inmarsat-C terminal will not "LOG IN". A test antenna cable with a new ADE attached in view of the satellite allows the terminal to "LOG IN". What steps would you take?

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🔍 Key Concepts

• Inmarsat-C system components: terminal, Antenna Deck Equipment (ADE), feedline/coax cable, and motors for azimuth/elevation tracking • Process of fault isolation: what it means when a system works with test equipment but not with the original installation • Difference between a signal path problem (cable/connector) and a mechanical pointing problem (AZ/EL motors)

💭 Think About

• If the terminal logs in correctly when using a test cable and new ADE in clear view of the satellite, what does that tell you about the condition of the terminal itself? • What parts of the original installation are not being used during the successful test, and therefore are the most likely locations of the fault? • How would you systematically check whether the issue is in the ADE unit itself or in the cable/connection between the terminal and that ADE?

✅ Before You Answer

• Identify which components are proven good by the successful test (terminal, new ADE, test cable, and basic configuration). • Focus on what remains unverified in the original setup: original ADE, original feedline/cable, and any connectors or junctions. • Before choosing an answer, ask: which option best reflects a logical next diagnostic step rather than immediately replacing major hardware or switching satellites.

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Question 1 of 20

An Inmarsat-C terminal will not "LOG IN". A test antenna cable with a new ADE attached in view of the satellite allows the terminal to "LOG IN". What steps would you take?

Replace the AZ or EL motor in the above deck equipment.

Try logging into a different satellite with the original ADE.

Use a DVM to check the feedline between the terminal and ADE.

Install a replacement ADE.

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Question 1 / 20FDrEJidEac3AORZiN9Uv

Question 1 of 20FDrEJidEac3AORZiN9Uv

An Inmarsat-C terminal will not "LOG IN". A test antenna cable with a new ADE attached in view of the satellite allows the terminal to "LOG IN". What steps would you take?

Back

Question 1 of 20

FDrEJidEac3AORZiN9Uv

An Inmarsat-C terminal will not "LOG IN". A test antenna cable with a new ADE attached in view of the satellite allows the terminal to "LOG IN". What steps would you take?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed