Assuming sending a direct TELEX message to a...

Question 1 / 20FsiS4RTJeTYEoRISRXi6

Question 1 of 20FsiS4RTJeTYEoRISRXi6

Assuming sending a direct TELEX message to a shore-based office, which sequence of events best describes a complete ARQ TELEX exchange with a coast station?

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Question 1 of 20

FsiS4RTJeTYEoRISRXi6

Assuming sending a direct TELEX message to a shore-based office, which sequence of events best describes a complete ARQ TELEX exchange with a coast station?

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🔍 Key Concepts

• ARQ TELEX call flow between ship and coast station • Purpose of the DIRTLX command and when it is used • Difference between ending the radio link vs ending the TELEX link and what happens after termination

💭 Think About

• In a direct TELEX call to a shore office, how does the ship tell the coast station the destination TELEX number? Is this done automatically or via a specific command? • What is the typical order: call setup, identification (answer-backs), destination addressing, message text, link termination, then charging information? Is anything missing from some of the choices? • Look carefully at which options mention phasing, answer-backs, addressing, and the final accounting (MRN, time, and charges). Which sequence is the most complete and logical?

✅ Before You Answer

• Verify that a complete ARQ TELEX exchange must include phasing, exchange of answer-backs (WRU/AAB), and a way to specify the shore TELEX number for a direct call. • Check which choices clearly distinguish between terminating the TELEX link and terminating only the radio link—which is appropriate when you finish a store-and-forward TELEX via a coast station? • Confirm that the final step of a proper commercial TELEX exchange is receipt of MRN (Message Reference Number) and time and charges after the link is properly cleared.

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Question 1 of 20

Assuming sending a direct TELEX message to a shore-based office, which sequence of events best describes a complete ARQ TELEX exchange with a coast station?

Initiate call, observe phasing, wait for exchange of answer-backs (WRU-AAB), send message, send KKKK to terminate the TELEX link, receive MRN & time and charges.

Initiate call, observe phasing, wait for exchange of answer-backs (WRU-AAB), send DIRTLX command with zero, TELEX country code , TELEX number , send message, send KKKK to terminate the TELEX link, receive MRN and time and charges.

Initiate call, observe exchange of answer-backs (WRU-AAB), send message, send KKKK to terminate radio link, receive MRN & time and charges.

Initiate call, observe phasing, exchange of answer-backs (WRU-AAB), send message, send KKKK to terminate radio link, receive MRN & time and charges.

Question 1 / 20FsiS4RTJeTYEoRISRXi6

Question 1 of 20FsiS4RTJeTYEoRISRXi6

Assuming sending a direct TELEX message to a shore-based office, which sequence of events best describes a complete ARQ TELEX exchange with a coast station?

Back

Question 1 of 20

FsiS4RTJeTYEoRISRXi6

Assuming sending a direct TELEX message to a shore-based office, which sequence of events best describes a complete ARQ TELEX exchange with a coast station?

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

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