Question
What characterises an internal line telegram?
Answer
C — Sender and destination devices are on the same line, so the telegram is not routed to another line.
Correct: For an internal line telegram both devices belong to the same line, so the line coupler has no reason to forward it.
Start 10 free questions
Free · No account · No payment card
An error or unclear wording? Report this questionAll proposed choices (exam context)
- A.It is always forwarded onto the main line by the line coupler.
- B.It is a telegram sent with routing counter 7 by a service device.
- C.Sender and destination devices are on the same line, so the telegram is not routed to another line.✓
- D.It travels via the backbone line to reach devices in other areas.
Full bank
Keep going with the full KNX Basic bank
Keep going with the full KNX Basic bank: unlimited timed mock exams, detailed answers, history. From €9 (one-time payment).
See pricing — from €9 →Want more?
Continue KNX Basic practice
Related questions
- A telegram is transmitted on a line. Which devices execute the command it carries?KNX Topology
- What must happen for a telegram to reach a device located on a different line of the same area?KNX Topology
- Why does line coupler LC 2 route the sensor's group telegram 0/2/11 onto the main line?KNX Topology
- How can a device address bus devices located in a different area?KNX Topology
- What is the initial value of the routing counter in a telegram sent by a normal bus device?KNX Topology