When the working PQ1 board fails, the equipment will perform TFS protection switching. Which of the following statements about the switching process are correct? (Multiple choice)

The correct answer is A. The cross-connect board detects the PQ1 board failure through the board status bus. B. If the protection PQ1 board is normal, the cross-connection board sends a switching message to C. The D75S board responds to the switch message by transferring service to the shared protection D. The protection PQ1 board receives and processes the service transmitted from the D76S board to. See the full explanation below for the reasoning.

Huawei Transmission Equipment Introduction

Question

Options

AThe cross-connect board detects the PQ1 board failure through the board status bus.
BIf the protection PQ1 board is normal, the cross-connection board sends a switching message to
CThe D75S board responds to the switch message by transferring service to the shared protection
DThe protection PQ1 board receives and processes the service transmitted from the D76S board to

How the community answered

(49 responses)

A
100% (49)

Topics

#TFS protection switching#board failure#cross-connect board#protection mechanism

Community Discussion

No community discussion yet for this question.

Full H31-311_V2.5 Practice